Boiler Technician 07-Aug-2022 09_00-11_00 Previous Year Paper Full Length PDF


Question 1

The average of 10 data is 59.5. In this the average of first 3 data is 56 and the next 4 data is 66. If the 8th data is 12 less than the 9th data and also 7 less than the 10th data, then find the eighth data.
10 डेटा का औसत 59.5 है। इसमें पहले 3 डेटा का औसत 56 और अगले 4 डेटा का औसत 66 है। यदि 8वां डेटा, 9वें डेटा से 12 कम और 10वें डेटा से 7 कम है, तो आठवां डेटा ज्ञात करें।

Options

A

52

52

B

46

46

C

48

48

D

50

50


Solution:

Correct Answer:

C

48

48


Question 2

Find the word which is correctly spelt from the given options.
Find the word which is correctly spelt from the given options.

Options

A

Qualifiad

Qualifiad

B

Transgresion

Transgresion

C

Robust

Robust

D

Personaige

Personaige


Solution:

Correct Answer:

C

Robust

Robust


Question 3

Given a2-b2 = 936 and a+b = 234, then find the value of a-b.
दिया गया है कि a2-b2 = 936 और a+b = 234, तो a-b का मान ज्ञात करें।

Options

A

3

3

B

1

1

C

2

2

D

4

4


Solution:

Correct Answer:

D

4

4


Question 4

What will be the day of the week on 04th August, 2043?
04 अगस्त, 2043 पर सप्ताह का कौन-सा दिन आएगा?

Options

A

Wednesday

Wednesday

B

Monday

Monday

C

Thursday

Thursday

D

Tuesday

Tuesday


Solution:

Correct Answer:

D

Tuesday

Tuesday


Question 5

Pointing to a photograph of a girl, a man said "She is the only daughter of my wife's only son". How is the girl related to the man?
एक लड़की की तस्वीर की ओर इशारा करते हुए एक आदमी ने कहा, "वह मेरी पत्नी के इकलौते बेटे की इकलौती बेटी है"। लड़की का उस आदमी से क्या संबंध है?

Options

A

Granddaughter

Granddaughter

B

Daughter-in-law

Daughter-in-law

C

Niece

Niece

D

Daughter

Daughter


Solution:

Correct Answer:

A

Granddaughter

Granddaughter


Question 6

Replace the question mark with an option that follows the same logic applied in the first pair.
Demolish : Construct :: Unusual : ??
प्रश्नवाचक चिह्न को उस विकल्प से बदलें, जो पहले युग्म में लागू तर्क का अनुसरण करता हो।
Demolish : Construct :: Unusual : ??

Options

A

Strange

Strange

B

Familiar

Familiar

C

Surprising

Surprising

D

Uncommon

Uncommon


Solution:

Correct Answer:

B

Familiar

Familiar


Question 7

Fill in the blanks with suitable Article from the given alternatives.

I own __________ car and two bikes.
Fill in the blanks with suitable Article from the given alternatives.

I own __________ car and two bikes.

Options

A

The

The

B

a

a

C

an

an

D

No article

No article


Solution:

Correct Answer:

B

a

a


Question 8

In a certain code, if LOCAT is written as PMDUB, then how is GRAPH written in that code?
एक निश्चित कूट भाषा में, यदि LOCAT को PMDUB लिखा जाता है, तो उसी कूट भाषा में GRAPH को कैसे लिखा जाएगा?

Options

A

HTDTM

HTDTM

B

SHBIQ

SHBIQ

C

HQBSI

HQBSI

D

IQBSH

IQBSH


Solution:

Correct Answer:

B

SHBIQ

SHBIQ


Question 9

J can finish a work in 78 days and K can finish the same work in 81 days. How many days are required to complete the entire work, if they work together?
J, एक कार्य को 78 दिनों में पूरा कर सकता है और K उसी कार्य को 81 दिनों में पूरा कर सकता है। यदि वे एक साथ कार्य करते हैं, तो समूचे कार्य को पूरा करने के लिए कितने दिनों की आवश्यकता होगी?

Options

A



B



C



D




Solution:

Correct Answer:

C




Question 10

If 20% of 460 is x% less than 40% of 570, find x. (Up to two decimals)
यदि 460 का 20%, 570 के 40% से X% कम है, तो X ज्ञात कीजिए। (दो दशमलव स्थान तक)

Options

A

79.56%

79.56%

B

68.04%

68.04%

C

69.54%

69.54%

D

59.64%

59.64%


Solution:

Correct Answer:

D

59.64%

59.64%


Question 11

After walking 3km, a boy turned left and walked 6km. He then took a left turn and walked 13km. If he stood facing South direction finally, towards which direction did he walk the first 3km?
3km चलने के बाद, एक लड़का बाईं ओर मुड़ता है और 6km चलता है। फिर वह बाईं ओर मुड़ता है और 13km चलता है। यदि वह अंत में दक्षिण दिशा की ओर अभिमुख होकर खड़ा होता है, तो वह पहले 3km किस दिशा में चला था?

Options

A

West

West

B

North

North

C

East

East

D

South

South


Solution:

Correct Answer:

B

North

North


Question 12

If a = 28 and b = 15, then find the value of a2-b2.
यदि a = 28 और b = 15 हैं, तो a2-b2 का मान ज्ञात करें।

Options

A

559

559

B

549

549

C

569

569

D

579

579


Solution:

Correct Answer:

A

559

559


Question 13

Which of the following countries is divided from India by Radcliffe Line?
निम्नलिखित में से कौन-सा देश रेडक्लिफ रेखा के द्वारा भारत से विभाजित है?

Options

A

Bhutan

Bhutan

B

Pakistan

Pakistan

C

Nepal

Nepal

D

Sri Lanka

Sri Lanka


Solution:

Correct Answer:

B

Pakistan

Pakistan


Question 14

Choose the word which best expresses the similar meaning of the given word " DOGGED ".
Choose the word which best expresses the similar meaning of the given word " DOGGED ".

Options

A

Determined

Determined

B

Flexible

Flexible

C

Surrendering

Surrendering

D

Weak

Weak


Solution:

Correct Answer:

A

Determined

Determined


Question 15

Which of the following is the Central Bank of India?
निम्नलिखित में से कौन-सा बैंक भारत का केंद्रीय बैंक है?

Options

A

Reserve Bank of India

Reserve Bank of India

B

Indian Overseas Bank

Indian Overseas Bank

C

State Bank of India

State Bank of India

D

Indian Bank

Indian Bank


Solution:

Correct Answer:

A

Reserve Bank of India

Reserve Bank of India


Question 16

Solve:

हल करें:


Options

A

10

10

B

12

12

C

11

11

D

6

6


Solution:

Correct Answer:

A

10

10


Question 17

P.V. Sindhu is a distinguished personality in which of the following sports?
निम्नलिखित में से किस खेल के क्षेत्र में पी.वी. सिंधु एक विशिष्ट व्यक्तित्व हैं?

Options

A

Squash

Squash

B

Badminton

Badminton

C

Lawn Tennis

Lawn Tennis

D

Table Tennis

Table Tennis


Solution:

Correct Answer:

B

Badminton

Badminton


Question 18

In a certain code, if FAMOUS is written as AFOMSU, then how is LEGEND written in that code?
एक निश्चित कूट भाषा में, यदि FAMOUS को AFOMSU लिखा जाता है, तो उसी कूट भाषा में LEGEND को कैसे लिखा जाएगा?

Options

A

GELDNE

GELDNE

B

ELEGDN

ELEGDN

C

LGENED

LGENED

D

LNEGEL

LNEGEL


Solution:

Correct Answer:

B

ELEGDN

ELEGDN


Question 19

Pipe A can fill a tank in 160 hours, Pipe B can fill the same tank in 192 hours and Pipe C can fill the same tank in 240 hours. If all three pipes are opened together for first 32 hours and then pipe B is closed, then in how many hours the remaining part of the tank is filled by Pipe A and Pipe C?
पाइप A, एक टैंक को 160 घंटे में भर सकता है, पाइप B उसी टैंक को 192 घंटे में भर सकता है और पाइप C उसी टैंक को 240 घंटे में भर सकता है। यदि तीनों पाइप पहले 32 घंटों के लिए एक साथ खोले जाते हैं और फिर पाइप B को बंद कर दिया जाता है, तो टैंक का शेष भाग पाइप A और पाइप C द्वारा कितने घंटों में भरा जाएगा?

Options

A

52

52

B

46

46

C

50

50

D

48

48


Solution:

Correct Answer:

D

48

48


Question 20

Choose the word which expresses nearly the opposite meaning of the given word " ALLIANCE ".
Choose the word which expresses nearly the opposite meaning of the given word " ALLIANCE ".

Options

A

Support

Support

B

Coherence

Coherence

C

Tie

Tie

D

Divorce

Divorce


Solution:

Correct Answer:

D

Divorce

Divorce


Question 21

Which of the following is the major constituent of air?
निम्नलिखित में से कौन-सी गैस, वायु का मुख्य घटक है?

Options

A

Hydrogen

Hydrogen

B

Helium

Helium

C

Nitrogen

Nitrogen

D

Carbon dioxide

Carbon dioxide


Solution:

Correct Answer:

C

Nitrogen

Nitrogen


Question 22

Find the odd image out in the given series.

दी गई श्रृंखला में असंगत छवि ज्ञात करें।


Options

A

3

3

B

2

2

C

1

1

D

4

4


Solution:

Correct Answer:

C

1

1


Question 23

Find the next term in the given series.
TEMPTATION, PTAT, EMPTATIO, TA, ?
दी गई श्रृंखला में अगला पद ज्ञात कीजिए।
TEMPTATION, PTAT, EMPTATIO, TA, ?

Options

A

TATI

TATI

B

MPTA

MPTA

C

ATIO

ATIO

D

MPTATI

MPTATI


Solution:

Correct Answer:

D

MPTATI

MPTATI


Question 24

What is the full form of 'ATM', a machine which facilitates financial transactions?
आर्थिक लेनदेन में सुविधा प्रदान करने वाली मशीन के संदर्भ में 'ATM' का पूर्ण रूप क्या है?

Options

A

Automated Teller Machine

Automated Teller Machine

B

Automated Trading Machine

Automated Trading Machine

C

Automated Transaction Machine

Automated Transaction Machine

D

Automated Transfer Machine

Automated Transfer Machine


Solution:

Correct Answer:

A

Automated Teller Machine

Automated Teller Machine


Question 25

Suppose the first and the second letters of the word CARBOHYDRATE interchange, also the third and the fourth, the fifth and the sixth, and so on. In the new word, thus formed, which letter would be the 6th from the left?
मान लीजिए, CARBOHYDRATE शब्द के पहले और दूसरे अक्षर का स्थान आपस में बदल दिया जाता है, साथ ही तीसरे और चौथे अक्षर का स्थान आपस में बदल दिया जाता है, पांचवें और छठे अक्षर का स्थान आपस में बदल दिया जाता है, और इसी प्रकार अगले अक्षरों के स्थान आपस में बदल दिए जाते हैं। इस प्रकार बने नए शब्द में, बाएँ से छठा अक्षर कौन-सा होगा?

Options

A

H

H

B

D

D

C

Y

Y

D

O

O


Solution:

Correct Answer:

D

O

O


Question 26

Choose the alternative which is an odd word/number/letter pair out of the given alternatives.
दिए गए विकल्पों में से वह विकल्प चुनिए जो एक असंगत शब्द/संख्या/अक्षर-युग्म है।

Options

A

Dwarf

Dwarf

B

Giant

Giant

C

Undersize

Undersize

D

Miniature

Miniature


Solution:

Correct Answer:

B

Giant

Giant


Question 27

Read the following statements and answer the questions based on them
A+B means A is mother of B
A-B means A is the father of B
A*B means A is the wife of B
A/B means A is the husband of B

Which of the following shows that 'T is the son-in-law of R'?
निम्नलिखित कथनों को पढ़िए और उन पर आधारित प्रश्न का उत्तर दीजिए

A+B का अर्थ है A, B की माता है
A-B का अर्थ है A, B का पिता है
A*B का अर्थ है A, B की पत्नी है
A/B का अर्थ है A, B का पति है

निम्नलिखित में से कौन-सा विकल्प दर्शाता है कि 'T, R का दामाद है'?

Options

A

R/S+T

R/S+T

B

R-S/T

R-S/T

C

R-S*T

R-S*T

D

T/S+R

T/S+R


Solution:

Correct Answer:

C

R-S*T

R-S*T


Question 28

Find the word which is correctly spelt from the given options.
Find the word which is correctly spelt from the given options.

Options

A

Resollution

Resollution

B

Uniformmity

Uniformmity

C

Receptive

Receptive

D

Paraphrese

Paraphrese


Solution:

Correct Answer:

C

Receptive

Receptive


Question 29

Choose the word which best expresses the similar meaning of the given word " ENCUMBRANCE ".
Choose the word which best expresses the similar meaning of the given word " ENCUMBRANCE ".

Options

A

Laziness

Laziness

B

Support

Support

C

Advantage

Advantage

D

Burden

Burden


Solution:

Correct Answer:

D

Burden

Burden


Question 30

Replace the question mark with an option that follows the same logic applied in the first pair.

12222:900::20233: ?
प्रश्नवाचक चिह्न को उस विकल्प से बदलें, जो पहले युग्म में प्रयुक्त तर्क का अनुसरण करता हो।
12222:900::20233: ?

Options

A

303

303

B

300

300

C

302

302

D

253

253


Solution:

Correct Answer:

D

253

253


Question 31

A train travels from X to Y at a speed of 176 kmph and reaches 300 minutes late. If it travels at a speed of 187 kmph and reaches early by 300 minutes, find the distance between X and Y. (In km)
एक रेलगाड़ी, X से Y तक 176 kmph की चाल से चलती है और 300 मिनट देरी से पहुँचती है। यदि यह 187 kmph की चाल से चलती है और 300 मिनट जल्दी पहुंचती है, तो X और Y के बीच की दूरी ज्ञात करें। (km में)

Options

A

29720

29720

B

29620

29620

C

29820

29820

D

29920

29920


Solution:

Correct Answer:

D

29920

29920


Question 32

Charan donates 19% of his savings to old age home, 20% of his savings to orphanage and 21% of his savings to foundations for medical help. The remaining amount Rs.9600 of savings is deposited in bank. Find the salary of Charan, if 60% of the salary is his savings amount. (In Rs.)
चरण, अपनी बचत का 19% वृद्धाश्रम को, बचत का 20% अनाथालय को और अपनी बचत का 21% चिकित्सा सहायता वाले फाउंडेशन को दान कर देता है। बचत की शेष राशि Rs.9600 बैंक में जमा कर दी गई। यदि वेतन का 60% उसकी बचत राशि है, तो चरण का वेतन ज्ञात कीजिए। (Rs. में)

Options

A

20000

20000

B

55000

55000

C

40000

40000

D

50000

50000


Solution:

Correct Answer:

C

40000

40000


Question 33

If in the number sequence 1 3 6 5 4 6 8 3 1 5 4 5, all the odd numbers are increased by three and all the even numbers are decreased by three, then the new number sequence are arranged in ascending order, which will be the fourth digit from the right?
यदि संख्या अनुक्रम 1 3 6 5 4 6 8 3 1 5 4 5 में, सभी विषम संख्याओं में तीन की वृद्धि की जाती है और सभी सम संख्याओं में तीन की कमी की जाती है, फिर नए संख्या अनुक्रम को आरोही क्रम में व्यवस्थित किया जाता है, तो दाएं से चौथा अंक कौन-सा होगा?

Options

A

6

6

B

5

5

C

3

3

D

4

4


Solution:

Correct Answer:

A

6

6


Question 34

Fill in the blanks with suitable Preposition from the given alternatives.

The girl who sat ____________ him was her daughter.
Fill in the blanks with suitable Preposition from the given alternatives.

The girl who sat ____________ him was her daughter.

Options

A

beside

beside

B

between

between

C

during

during

D

in

in


Solution:

Correct Answer:

A

beside

beside


Question 35

What should be written in the place of question mark in the given series?
M13, O18, Q23, ?, U33
दी गई श्रंखला में प्रश्नवाचक चिह्न के स्थान पर क्या लिखा जाना चाहिए?
M13, O18, Q23, ?, U33

Options

A

R28

R28

B

S27

S27

C

R27

R27

D

S28

S28


Solution:

Correct Answer:

D

S28

S28


Question 36

Fill in the blanks with suitable Preposition from the given alternatives.

He gazed down at him as she knelt ______________ the fire.
Fill in the blanks with suitable Preposition from the given alternatives.

He gazed down at him as she knelt ______________ the fire.

Options

A

beside

beside

B

underneath

underneath

C

at

at

D

beneath

beneath


Solution:

Correct Answer:

A

beside

beside


Question 37

If April 16, 2025 is a Wednesday, then April 27, 2125 falls on which day of the week?
यदि 16 अप्रैल, 2025 की तारीख पर बुधवार आता है, तो 27 अप्रैल, 2125 की तारीख पर सप्ताह का कौन-सा दिन आएगा?

Options

A

Friday

Friday

B

Thursday

Thursday

C

Saturday

Saturday

D

Sunday

Sunday


Solution:

Correct Answer:

A

Friday

Friday


Question 38

Choose the word which expresses nearly the opposite meaning of the given word " DECIMATE ".
Choose the word which expresses nearly the opposite meaning of the given word " DECIMATE ".

Options

A

Massacre

Massacre

B

Annihilate

Annihilate

C

Destroy

Destroy

D

Build

Build


Solution:

Correct Answer:

D

Build

Build


Question 39

Fill in the blanks with suitable Article from the given alternatives.

Rajesh is __________ lionhearted person.
Fill in the blanks with suitable Article from the given alternatives.

Rajesh is __________ lionhearted person.

Options

A

a

a

B

an

an

C

the

the

D

No article

No article


Solution:

Correct Answer:

A

a

a


Question 40

Which British Army officer was responsible for Jallianwala Bagh massacre?
कौन-सा ब्रिटिश सेना अधिकारी जलियांवाला बाग हत्याकांड का ज़िम्मेदार था?

Options

A

Reginald Dyer

Reginald Dyer

B

George Barlow

George Barlow

C

Warren Hastings

Warren Hastings

D

Robert Clive

Robert Clive


Solution:

Correct Answer:

A

Reginald Dyer

Reginald Dyer


Question 41

Which is the smallest continent in the world?
विश्व का सबसे छोटा महाद्वीप कौन-सा है?

Options

A

Australia

Australia

B

Africa

Africa

C

Asia

Asia

D

Antarctica

Antarctica


Solution:

Correct Answer:

A

Australia

Australia


Question 42

If a man had driven at 83 kmph instead of 79 kmph, he would have travelled 124 kms more. Find the distance travelled by him when he travels at 83 kmph. (In km)
यदि कोई व्यक्ति 79 kmph के बजाय 83 kmph की चाल से गाड़ी चलाता, तो वह 124 km अधिक दूरी तय कर पाता। जब वह 83 kmph की चाल से गाड़ी चलाता है, तो उसके द्वारा तय की गई दूरी ज्ञात कीजिए। (km में)

Options

A

2473

2473

B

2573

2573

C

2773

2773

D

2673

2673


Solution:

Correct Answer:

B

2573

2573


Question 43

Which is the largest state in India, in terms of area?
क्षेत्रफल के आधार पर, भारत का सबसे बड़ा राज्य कौन-सा है?

Options

A

Sikkim

Sikkim

B

Rajasthan

Rajasthan

C

Maharashtra

Maharashtra

D

Tamil Nadu

Tamil Nadu


Solution:

Correct Answer:

B

Rajasthan

Rajasthan


Question 44

A shopkeeper purchased an article for Rs.10700 and sold it at a loss of 10%. Out of that money, he purchased another article and sold it at a gain of 10%. What is the overall gain or loss? (In Rs.)
एक दुकानदार, Rs.10700 में एक वस्तु खरीदता है और उसे 10% की हानि पर बेचता है। उस पैसे से वह एक और वस्तु खरीदता है और उसे 10% के लाभ पर बेचता है। कुल लाभ या हानि कितना/कितनी है? (Rs. में)

Options

A

107 profit

107 profit

B

105 loss

105 loss

C

105 profit

105 profit

D

107 loss

107 loss


Solution:

Correct Answer:

D

107 loss

107 loss


Question 45

Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group?
PT, NR, JN, LO, UY
निम्नलिखित पांच में से चार एक निश्चित तरीके से समान हैं और इसलिए एक समूह बनाते हैं। इनमें से वह कौन है जो उस समूह से संबंधित नहीं है?
PT, NR, JN, LO, UY

Options

A

PT

PT

B

NR

NR

C

UY

UY

D

LO

LO


Solution:

Correct Answer:

D

LO

LO


Question 46

Solve:

हल करें:


Options

A

1024

1024

B

1535

1535

C

1065

1065

D

1296

1296


Solution:

Correct Answer:

A

1024

1024


Question 47

The average weight of a kabaddi team of 123 players is 73 kg. If the weight of the manager is included, then the average increases by 1 kg. Find the weight of the manager. (In kg)
123 खिलाड़ियों वाली कबड्डी टीम का औसत वजन 73 kg है। यदि प्रबंधक के वजन को शामिल कर लिया जाए, तो औसत में 1 kg की वृद्धि हो जाती है। प्रबंधक का वजन ज्ञात कीजिए। (kg में)

Options

A

197

197

B

199

199

C

201

201

D

195

195


Solution:

Correct Answer:

A

197

197


Question 48

"Wimbledon Trophy" is associated with which of the following sports?
"विंबलडन ट्रॉफी" निम्नलिखित में से किस खेल से संबंधित है?

Options

A

Table Tennis

Table Tennis

B

Tennis

Tennis

C

Badminton

Badminton

D

Squash

Squash


Solution:

Correct Answer:

B

Tennis

Tennis


Question 49

A woman walked 5km towards East, took a right turn and walked 2km, took another right turn and walked 1km. She then walked 9km towards North and turned right and walked 9km. She then finally took a right turn and walked 7km. How far is she from the starting point?
एक महिला, पूर्व की ओर 5km चलती है, दाएं मुड़ती है और 2km चलती है, एक बार फिर दाएं मुड़ती है और 1km चलती है। फिर वह उत्तर की ओर 9km चलती है और दाएं मुड़ती है और 9km चलती है। फिर वह अंत में दाएं मुड़ती है और 7km चलती है। वह आरंभिक बिंदु से कितनी दूर है?

Options

A

20km

20km

B

16km

16km

C

13km

13km

D

18km

18km


Solution:

Correct Answer:

C

13km

13km


Question 50

In which country, the Winter Olympic Games 2022 was held?
शीतकालीन ओलिम्पिक खेल 2022 का आयोजन किस देश में हुआ था?

Options

A

China

China

B

United Kingdom

United Kingdom

C

Germany

Germany

D

South Korea

South Korea


Solution:

Correct Answer:

A

China

China


Question 51

Which of the following is one of the internal losses that occurs in steam turbines?
निम्नलिखित में से कौन-सी हानि, भाप टर्बाइन में होने वाली आंतरिक हानियों में से एक है?

Options

A

Nozzle loss

Nozzle loss

B

Throttling loss at control valve

Throttling loss at control valve

C

Radiation loss

Radiation loss

D

Exhaust steam loss

Exhaust steam loss


Solution:

Correct Answer:

A

Nozzle loss

Nozzle loss


Question 52

According to which law, the pressure of a mixture of gases is equal to the sum of individual gas pressures?
किस नियम के अनुसार, गैसों के मिश्रण का दाब, प्रत्येक गैस के दाबों के योग के बराबर होता है?

Options

A

Pascal's law

Pascal's law

B

Archimedes principle

Archimedes principle

C

Dalton's law

Dalton's law

D

Euler's law

Euler's law


Solution:

Correct Answer:

C

Dalton's law

Dalton's law


Question 53

Ultrafiltration removes very fine colloidal particles and macromolecules from the water to the size of ___________.
अतिसूक्ष्म निस्यंदन पानी से ___________ के आमाप तक के बहुत महीन कोलाइडी कणों और बड़े अणुओं को हटा देता है।

Options

A

1 micron to 20 microns

1 micron to 20 microns

B

100 microns

100 microns

C

100 microns - 500 microns

100 microns - 500 microns

D

500 microns - 1 mm

500 microns - 1 mm


Solution:

Correct Answer:

A

1 micron to 20 microns

1 micron to 20 microns


Question 54

In a superheater __________.
एक अतितापक में __________।

Options

A

pressure remains constant and temperature increases

pressure remains constant and temperature increases

B

pressure raises and temperature drops

pressure raises and temperature drops

C

pressure raises and temperature remains constant

pressure raises and temperature remains constant

D

warm start-up

warm start-up


Solution:

Correct Answer:

A

pressure remains constant and temperature increases

pressure remains constant and temperature increases


Question 55

In ash handling systems, Specific collection area is ___________.
भस्म प्रबंधन व्यवस्था में, विशिष्ट संग्रह क्षेत्र ___________ है।

Options

A

effective volume / effective height

effective volume / effective height

B

gas flow rate / total collection surface

gas flow rate / total collection surface

C

effective length x effective height

effective length x effective height

D

total collection surface / gas flow rate

total collection surface / gas flow rate


Solution:

Correct Answer:

D

total collection surface / gas flow rate

total collection surface / gas flow rate


Question 56

As per the Affinity Laws, power consumption changes is ___________ the fan speed.
एफिनिटी नियमों के अनुसार, शक्ति की खपत में परिवर्तन, पंखे की गति ___________ होता है।

Options

A

proportional to the square of

proportional to the square of

B

inversely proportional to the square of

inversely proportional to the square of

C

linearly proportional to the cube of

linearly proportional to the cube of

D

linearly proportional to

linearly proportional to


Solution:

Correct Answer:

C

linearly proportional to the cube of

linearly proportional to the cube of


Question 57

Check valve is also called _______.
चेक वाल्व को _______ भी कहा जाता है।

Options

A

non-return valve

non-return valve

B

gate valve

gate valve

C

knife valve

knife valve

D

needle valve

needle valve


Solution:

Correct Answer:

A

non-return valve

non-return valve


Question 58

The function of safety valve in the boiler is ___________.
वाष्पित्र में सुरक्षा वाल्व का कार्य ___________ है।

Options

A

to prevent water pressure

to prevent water pressure

B

to prevent excessive steam pressure

to prevent excessive steam pressure

C

to prevent rising temperature

to prevent rising temperature

D

to prevent excessive air pressure

to prevent excessive air pressure


Solution:

Correct Answer:

B

to prevent excessive steam pressure

to prevent excessive steam pressure


Question 59

The following statement refers to:
Total heat energy supplied is the sum of the external work done and the change in the internal energy.
निम्नलिखित कथन संदर्भित करता है:
आपूर्ति की गई कुल ऊष्मा ऊर्जा, किए गए बाहरी कार्य और आंतरिक ऊर्जा में परिवर्तन का योग है।

Options

A

Third law of thermodynamics

Third law of thermodynamics

B

First law of thermodynamics

First law of thermodynamics

C

Zeroth law of thermodynamics

Zeroth law of thermodynamics

D

Second law of thermodynamics

Second law of thermodynamics


Solution:

Correct Answer:

B

First law of thermodynamics

First law of thermodynamics


Question 60

ASME B73 - 1 refers to the specification for ___________ centrifugal pumps for chemical processes.
ASME B73 - 1, रासायनिक प्रक्रियाओं के लिए ___________ केन्द्रापसारक पंपों के विनिर्देशन को संदर्भित करता है।

Options

A

non-metallic

non-metallic

B

sealless horizontal end

sealless horizontal end

C

vertical in-line

vertical in-line

D

horizontal end suction

horizontal end suction


Solution:

Correct Answer:

D

horizontal end suction

horizontal end suction


Question 61

At atmospheric pressure, the latent heat of vaporization of water is __________.
वायुमंडलीय दाब पर, जल के वाष्पन की गुप्त ऊष्मा ___________ होती है।

Options

A

560 kcal/kg

560 kcal/kg

B

640 kcal/kg

640 kcal/kg

C

540 kcal/kg

540 kcal/kg

D

450 kcal/kg

450 kcal/kg


Solution:

Correct Answer:

C

540 kcal/kg

540 kcal/kg


Question 62

Due to disturbance in electrical system or station power system, power to the auxiliary equipment of turbine and the boiler may fail. This situation is called ___________.
विद्युत प्रणाली या स्टेशन शक्ति प्रणाली में गड़बड़ी के कारण टर्बाइन और वाष्पित्र के सहायक उपकरण की बिजली आपूर्ति बंद हो सकती है। इस स्थिति को ___________ कहा जाता है।

Options

A

emergency condition

emergency condition

B

blackout condition

blackout condition

C

critical condition

critical condition

D

shut down condition

shut down condition


Solution:

Correct Answer:

B

blackout condition

blackout condition


Question 63

As per the Affinity Laws, pressure change is ___________ the fan speed.
एफिनिटी नियमों के अनुसार, दाब में परिवर्तन, पंखे की गति के ________________ है।

Options

A

inversely proportional to

inversely proportional to

B

linearly proportional to

linearly proportional to

C

inversely proportional to the square of

inversely proportional to the square of

D

proportional to the square of

proportional to the square of


Solution:

Correct Answer:

D

proportional to the square of

proportional to the square of


Question 64

Which one of the following is a natural crystal used in piezoelectric transmitter?
निम्नलिखित में से कौनसा पदार्थ दाब-विद्युत् ट्रांसमीटर में प्रयुक्त होने वाला प्राकृतिक क्रिस्टल है?

Options

A

Quartz

Quartz

B

Rochelle salts

Rochelle salts

C

Barium nitrate

Barium nitrate

D

ADP

ADP


Solution:

Correct Answer:

A

Quartz

Quartz


Question 65

In boilers, various heat losses take place. The biggest loss is due to ___________.
वाष्पित्र में, ताप की विभिन्न तरीकों से हानि होती हैं। सबसे बड़ी हानि ___________ के कारण होती है।

Options

A

dry flue gases

dry flue gases

B

steam formation

steam formation

C

moisture in fuel

moisture in fuel

D

unburned carbon

unburned carbon


Solution:

Correct Answer:

A

dry flue gases

dry flue gases


Question 66

Section 8 of the Indian Boiler Act 1923 refers to:
भारतीय वाष्पित्र अधिनियम 1923 की धारा 8 _____________ को संदर्भित करती है।

Options

A

renewal of certificate

renewal of certificate

B

registration

registration

C

penalties for illegal use

penalties for illegal use

D

provisional order

provisional order


Solution:

Correct Answer:

A

renewal of certificate

renewal of certificate


Question 67

Which one of the following is not a flexible coupling?
निम्नलिखित में से कौन-सा एक नम्य युग्मक नहीं है?

Options

A

Fluid coupling

Fluid coupling

B

Love joy coupling

Love joy coupling

C

Tyre coupling

Tyre coupling

D

Muff coupling

Muff coupling


Solution:

Correct Answer:

D

Muff coupling

Muff coupling


Question 68

___________ is provided to minimise the oscillation effect of a rotor in case of load change on the generator.
जनरेटर पर लोड परिवर्तन के मामले में रोटर के दोलन प्रभाव को न्यूनतम करने के लिए ___________ प्रदान किया जाता/की जाती है।

Options

A

Slip ring

Slip ring

B

Damper winding

Damper winding

C

Field winding

Field winding

D

Fan

Fan


Solution:

Correct Answer:

B

Damper winding

Damper winding


Question 69

Incomplete combustion produces __________ and therefore it should not be emitted from the plants.
अपूर्ण दहन __________ उत्पन्न करता है और इसलिए इसे कारखानों से उत्सर्जित नहीं किया जाना चाहिए।

Options

A

Carbon dioxide

Carbon dioxide

B

Sulphur dioxide

Sulphur dioxide

C

Carbon monoxide

Carbon monoxide

D

Nitrogen oxides

Nitrogen oxides


Solution:

Correct Answer:

C

Carbon monoxide

Carbon monoxide


Question 70

___________ is a method used to control the superheated steam temperature.
___________, अतितप्त भाप के तापमान को नियंत्रित करने हेतु प्रयोग की जाने वाली विधि है।

Options

A

Agglomeration

Agglomeration

B

Hydrastep

Hydrastep

C

Attemperation

Attemperation

D

Accumulation

Accumulation


Solution:

Correct Answer:

C

Attemperation

Attemperation


Question 71

The maximum flow that is obtained from a centrifugal pump without damaging the pump is called ___________.
पंप को नुकसान पहुंचाए बिना किसी केन्द्रापसारक पंप से प्राप्त अधिकतम प्रवाह को ___________ कहा जाता है।

Options

A

shutoff head

shutoff head

B

system curve

system curve

C

operating point

operating point

D

pump runout

pump runout


Solution:

Correct Answer:

D

pump runout

pump runout


Question 72

The equivalent running hours of a turbine is calculated by using the formula ___________, if R is the normal operating hours and N is the number of starts.
टर्बाइन के तुल्य चलने वाले घंटों की गणना ___________ सूत्र का उपयोग करके की जाती है, यदि R सामान्य परिचालन घंटे हैं और N, जितनी बार चालू (स्टार्ट) किया गया उसकी संख्या है।

Options

A

Req = R + 60 N

Req = R + 60 N

B

Req = R - 60 N

Req = R - 60 N

C

Req = R + 30 N

Req = R + 30 N

D

Req = R - 30 N

Req = R - 30 N


Solution:

Correct Answer:

C

Req = R + 30 N

Req = R + 30 N


Question 73

The device used for rotating a turbine first time is ___________.
टर्बाइन को पहली बार घुमाने के लिए इस्तेमाल किया जाने वाला उपकरण है ___________।

Options

A

tripping device

tripping device

B

barring device

barring device

C

rolling device

rolling device

D

stalling device

stalling device


Solution:

Correct Answer:

B

barring device

barring device


Question 74

During emergency situation, fuel supply of the boiler is stopped using ___________.
आपातकालीन स्थिति के दौरान, ___________ का उपयोग करके वाष्पित्र की ईंधन आपूर्ति बंद कर दी जाती है।

Options

A

master fuel trip

master fuel trip

B

boiler tube failure

boiler tube failure

C

high steam temperature

high steam temperature

D

furnace explosion

furnace explosion


Solution:

Correct Answer:

A

master fuel trip

master fuel trip


Question 75

Gross and net calorific values of a fuel will be same, ___________.
ईंधन का सकल और शुद्ध कैलोरी मान समान होगा, ___________।

Options

A

if ash content is zero

if ash content is zero

B

under no circumstances

under no circumstances

C

if its hydrogen/hydrogen compound content is zero

if its hydrogen/hydrogen compound content is zero

D

if carbon content is very low

if carbon content is very low


Solution:

Correct Answer:

C

if its hydrogen/hydrogen compound content is zero

if its hydrogen/hydrogen compound content is zero


Question 76

Which one of the following is not an inertial separator used for dust separation?
निम्नलिखित में से कौन-सा एक पृथक्कारक, धूल पृथक्करण के लिए उपयोग किया जाने वाला जड़त्वीय पृथक्कारक नहीं है?

Options

A

Settling chambers

Settling chambers

B

Wet scrubber

Wet scrubber

C

Baffle chambers

Baffle chambers

D

Centrifugal separator

Centrifugal separator


Solution:

Correct Answer:

B

Wet scrubber

Wet scrubber


Question 77

Which one of the boiler is a water tube boiler?
निम्नलिखित में से कौन-सा वाष्पित्र, जल नलिका (वॉटर ट्यूब) वाष्पित्र है?

Options

A

Stirling boiler

Stirling boiler

B

Lancashire boiler

Lancashire boiler

C

Cochran boiler

Cochran boiler

D

Cornish boiler

Cornish boiler


Solution:

Correct Answer:

A

Stirling boiler

Stirling boiler


Question 78

'ANSI B 36.19' refers to ___________.
'ANSI B 36.19' ___________ को संदर्भित करता है।

Options

A

stainless steel welded and seamless pipe dimensions

stainless steel welded and seamless pipe dimensions

B

standard for brass plate and strip rolled bar

standard for brass plate and strip rolled bar

C

carbon steel seamless pipes

carbon steel seamless pipes

D

Mechanical fasteners

Mechanical fasteners


Solution:

Correct Answer:

A

stainless steel welded and seamless pipe dimensions

stainless steel welded and seamless pipe dimensions


Question 79

A bearing is characterised by a bearing nomenclature 22308 C3. This refers to ________.
एक बेयरिंग को बेयरिंग नामपद्धति 22308 C3 द्वारा अभिलक्षित किया जाता है। यह ________ को संदर्भित करता है।

Options

A

self-aligned ball bearing

self-aligned ball bearing

B

spherical roller bearing

spherical roller bearing

C

tapered roller bearing

tapered roller bearing

D

thrust ball bearing

thrust ball bearing


Solution:

Correct Answer:

B

spherical roller bearing

spherical roller bearing


Question 80

Which one of the following is an internal treatment of feedwater?
प्रभरण जल (फीडवाटर) का आंतरिक शोधन निम्नलिखित में से कौन-सा एक है?

Options

A

Reverse osmosis

Reverse osmosis

B

Softening

Softening

C

Demineralising

Demineralising

D

HP dosing

HP dosing


Solution:

Correct Answer:

D

HP dosing

HP dosing


Question 81

Which one of the boilers is not a fire tube boiler?
इनमें से कौन-सा एक वाष्पित्र, अग्नि नलिका वाष्पित्र नहीं है?

Options

A

Stirling boiler

Stirling boiler

B

Cornish boiler

Cornish boiler

C

Lancashire boiler

Lancashire boiler

D

Cochran boiler

Cochran boiler


Solution:

Correct Answer:

A

Stirling boiler

Stirling boiler


Question 82

___________ refers to tiny particles of fly ash and dust that are generated during the burning of fuel.
___________, भस्म (राख) और धूल के उन छोटे कणों को संदर्भित करता है जो ईंधन के जलने के दौरान उत्पन्न होते हैं।

Options

A

Particulate matter

Particulate matter

B

NOx emission

NOx emission

C

Effluent

Effluent

D

Fugitive dust

Fugitive dust


Solution:

Correct Answer:

A

Particulate matter

Particulate matter


Question 83

The ASME standard for preparation of butt welding ends of piping components to be joined is ___________.
पाइपिंग घटकों को जोड़ने हेतु टक्कर (बट) वेल्डिंग सिरों को बनाने के लिए ASME मानक है ___________।

Options

A

ASME B 16.34

ASME B 16.34

B

ASME B 16.5

ASME B 16.5

C

ASME B 16.25

ASME B 16.25

D

ASME B 16.12

ASME B 16.12


Solution:

Correct Answer:

C

ASME B 16.25

ASME B 16.25


Question 84

___________ is a pressure velocity compounding turbine.
___________ एक दाब वेग संयुक्त टर्बाइन (प्रेशर वेलोसिटी कंपाउन्डिंग टरबाइन) है।

Options

A

Rateau turbine

Rateau turbine

B

Parson turbine

Parson turbine

C

Curtis turbine

Curtis turbine

D

De Laval turbine

De Laval turbine


Solution:

Correct Answer:

C

Curtis turbine

Curtis turbine


Question 85

____________ is the ability of a material to retain its strength and form at high temperatures.
__________, उच्च तापमान पर अपना सामर्थ्य और रूप बनाए रखने की किसी पदार्थ की क्षमता है।

Options

A

bulk density

bulk density

B

spalling

spalling

C

refractoriness

refractoriness

D

porosity

porosity


Solution:

Correct Answer:

C

refractoriness

refractoriness


Question 86

Steam injectors are used to deliver cold water to a boiler against its own pressure, using its own live or exhaust steam by__________.
किसी वाष्पित्र की स्वयं की सक्रिय या निकासित भाप का उपयोग करते हुए, उसके स्वयं के दाब के विरुद्ध उसमें ठंडा पानी पहुंचाने के लिए ___________ भाप अंत: क्षेपण का उपयोग किया जाता है।

Options

A

replacing dosing pump

replacing dosing pump

B

creating vacuum in furnace

creating vacuum in furnace

C

creating vacuum in turbine exhaust

creating vacuum in turbine exhaust

D

replacing feedwater pump

replacing feedwater pump


Solution:

Correct Answer:

D

replacing feedwater pump

replacing feedwater pump


Question 87

The number of poles of a 1500 rpm generator is ___________.
1500 rpm जनरेटर के ध्रुवों की संख्या ___________ होती है।

Options

A

2

2

B

6

6

C

8

8

D

4

4


Solution:

Correct Answer:

D

4

4


Question 88

Which one of the following is a rigid coupling?
निम्नलिखित में से कौन-सा एक कठोर युग्मक (कपलिंग) है?

Options

A

Love joy coupling

Love joy coupling

B

Muff coupling

Muff coupling

C

Tyre coupling

Tyre coupling

D

Fluid coupling

Fluid coupling


Solution:

Correct Answer:

B

Muff coupling

Muff coupling


Question 89

When there is no transmitted radiation, the body is called ___________.
जब कोई संचरित विकिरण नहीं होता है, तो पिंड को ___________ कहा जाता है।

Options

A

white body

white body

B

black body

black body

C

opaque body

opaque body

D

grey body

grey body


Solution:

Correct Answer:

C

opaque body

opaque body


Question 90

After taking water into the boiler, starting the fuel firing is called ___________.
वाष्पित्र में पानी लेने के बाद, ईंधन जलावन शुरू करना ___________ कहलाता है।

Options

A

boiler light up

boiler light up

B

cold start-up

cold start-up

C

warm start-up

warm start-up

D

hot start-up

hot start-up


Solution:

Correct Answer:

A

boiler light up

boiler light up


Question 91

A device that connects temperature sensors to interface with DCS, PLC and SCADA is ___________.
एक उपकरण जो तापमान संवेदकों को DCS, PLC और SCADA के साथ अंतराफलक (इंटरफेस) से जोड़ता है, वह है ___________।

Options

A

transducer

transducer

B

sensor

sensor

C

transmitter

transmitter

D

data logger

data logger


Solution:

Correct Answer:

C

transmitter

transmitter


Question 92

___________ is characterised by the formation of steam bubbles on the tube wall.
___________ की विशेषता है कि इसमें ट्यूब की परत पर भाप के बुलबुलों का गठन होता है।

Options

A

Nucleate boiling

Nucleate boiling

B

Transition boiling

Transition boiling

C

Pool boiling

Pool boiling

D

Film boiling

Film boiling


Solution:

Correct Answer:

A

Nucleate boiling

Nucleate boiling


Question 93

In steam turbines, which one of the following is an external heat loss?
भाप टर्बाइनों में, निम्नलिखित में से कौन-सी एक बाहरी ताप हानि है?

Options

A

Blade friction and disc loss

Blade friction and disc loss

B

Nozzle loss

Nozzle loss

C

Partial admission loss

Partial admission loss

D

Radiation loss

Radiation loss


Solution:

Correct Answer:

D

Radiation loss

Radiation loss


Question 94

____ is a simple instantaneous overcurrent relay with specific current setting and controlled by a time set to operate at a delay time.
___________, एक निर्दिष्ट धारा व्यवस्था वाला सरल तात्कालिक अतिधारा रिले है और एक विलंब काल पर संचालित होने हेतु नियत समय द्वारा नियंत्रित किया जाता है।

Options

A

Definite time overcurrent relay

Definite time overcurrent relay

B

Inverse time overcurrent relay

Inverse time overcurrent relay

C

Instantaneous overcurrent relay

Instantaneous overcurrent relay

D

Continuous overcurrent relay

Continuous overcurrent relay


Solution:

Correct Answer:

A

Definite time overcurrent relay

Definite time overcurrent relay


Question 95

The maintenance practice carried out on time based schedule to detect, repair or replace is called ___________.
वह रखरखाव अभ्यास जो पता लगाने, मरम्मत या बदलने के लिए समय-समय पर किया जाता है, उसे ___________ कहा जाता है।

Options

A

proactive

proactive

B

preventive

preventive

C

break down

break down

D

predictive

predictive


Solution:

Correct Answer:

B

preventive

preventive


Question 96

In boiler operations, ___________ is caused by a combination of corrosive mechanism and fatigue generated by mechanical and thermal stresses.
वाष्पित्र संचालन में, संक्षारक प्रक्रिया और यांत्रिक तथा तापीय (थर्मल) प्रतिबलों द्वारा उत्पन्न श्रांति के संयोजन के कारण ___________ होता/ती है।

Options

A

corrosion fatigue

corrosion fatigue

B

erosion

erosion

C

pitting

pitting

D

caustic attack

caustic attack


Solution:

Correct Answer:

A

corrosion fatigue

corrosion fatigue


Question 97

____ detects the misalignment of the belt while running.
____, चालित बेल्ट के कुसंरेखण (मिसअलाइनमेंट) का पता लगाता है।

Options

A

Belt sway switch

Belt sway switch

B

Pull cord switch

Pull cord switch

C

Zero speed detector

Zero speed detector

D

Hold back device

Hold back device


Solution:

Correct Answer:

A

Belt sway switch

Belt sway switch


Question 98

Power required to drive a centrifugal pump is ___________.
एक अपकेंद्री पंप को चलाने के लिए आवश्यक शक्ति, ___________ होती है।

Options

A

proportional to the speed

proportional to the speed

B

inversely proportional to the cube of speed

inversely proportional to the cube of speed

C

inversely proportional to the speed

inversely proportional to the speed

D

proportional to the cube of speed

proportional to the cube of speed


Solution:

Correct Answer:

D

proportional to the cube of speed

proportional to the cube of speed


Question 99

Back pressure turbine is a ___________.
पश्‍च दाब टर्बाइन एक ___________ है।

Options

A

central admission turbine

central admission turbine

B

non-condensing turbine

non-condensing turbine

C

straight condensing turbine

straight condensing turbine

D

partial condensing turbine

partial condensing turbine


Solution:

Correct Answer:

B

non-condensing turbine

non-condensing turbine


Question 100

Which boiler fitting is used to extinguish boiler fire if the water level falls below safe level?
जल स्तर के सुरक्षित स्तर से नीचे गिरने की स्थिति में, वाष्पित्र की आग को बुझाने के लिए किस वाष्पित्र फिटिंग का उपयोग किया जाता है?

Options

A

Fusible plug

Fusible plug

B

Safety valve

Safety valve

C

Blow off cock

Blow off cock

D

Feed check valve

Feed check valve


Solution:

Correct Answer:

A

Fusible plug

Fusible plug


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