Maintenance Technician - Mechanical 07-Aug-2022 12:30-14:30 Previous Year Paper Technical Knowledge PDF


Question 1

Pipe A can fill a tank in 852 minutes and Pipe B can empty the same tank in 1065 minutes. If both pipes are opened together, how many hours will it take to fill the empty tank?
पाइप A एक टंकी को 852 मिनट में भर सकता है और पाइप B उसी टंकी को 1065 मिनट में खाली कर सकता है। यदि दोनों पाइपों को एक-साथ खोल दिया जाए, तो खाली टंकी को भरने में कितने घंटे लगेंगे?

Options

A

75

75

B

69

69

C

71

71

D

73

73


Solution:

Correct Answer:

C

71

71


Question 2

The Indus Water treaty was signed between which of the following two countries?
निम्नलिखित में से किन दो देशों ने सिन्धु जल संधि पर हस्ताक्षर किये थे?

Options

A

India and Pakistan

India and Pakistan

B

India and Nepal

India and Nepal

C

India and China

India and China

D

India and Bangladesh

India and Bangladesh


Solution:

Correct Answer:

A

India and Pakistan

India and Pakistan


Question 3

If a = 32 and b = 18, then find the value of a2-b2.
यदि a = 32 और b = 18 है, तो a2-b2 का मान ज्ञात करें।

Options

A

720

720

B

730

730

C

700

700

D

710

710


Solution:

Correct Answer:

C

700

700


Question 4

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

160:32::565: ?
प्रश्नवाचक चिह्न को उस विकल्प से बदलें, जो पहले युग्म में लागू तर्क का अनुसरण करता हो।

160:32::565: ?

Options

A

113

113

B

131

131

C

140

140

D

104

104


Solution:

Correct Answer:

A

113

113


Question 5

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 'S is the grandfather of R'?
निम्नलिखित कथनों को पढ़ें और उन पर आधारित प्रश्नों का उत्तर दें।

A+B का अर्थ है A, B की मां 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 यह दर्शाता है कि 'S, R का ग्रैंड फादर है'?

Options

A

R-T+S

R-T+S

B

S+T-R

S+T-R

C

T+S-R

T+S-R

D

S-T+R

S-T+R


Solution:

Correct Answer:

D

S-T+R

S-T+R


Question 6

A can finish a work in 138 days and B can do the same work in 207 days. Working together, they will complete the same work in how many days?
A एक कार्य को 138 दिनों में पूरा कर सकता है और B उसी कार्य को 207 दिनों में कर सकता है। एक-साथ कार्य करते हुए, वे उसी कार्य को कितने दिनों में पूरा करेंगे?

Options

A

82.8

82.8

B

80.4

80.4

C

78.8

78.8

D

76.4

76.4


Solution:

Correct Answer:

A

82.8

82.8


Question 7

For three consecutive years, the costs of a product were Rs.146 per litre, Rs.292 per litre and Rs.365 per litre respectively. If a common man spends an average of Rs.16060 per year on that product, then what is the average cost of that product per litre for the three years? (In Rs. - Up to two decimals)
लगातार तीन वर्षों तक, एक उत्पाद की कीमत क्रमशः Rs.146 प्रति लीटर, Rs.292 प्रति लीटर और Rs.365 प्रति लीटर थी। यदि एक आम आदमी उस उत्पाद पर प्रति वर्ष औसतन Rs.16060 खर्च करता है, तो तीन वर्षों के लिए उस उत्पाद की प्रति लीटर औसत कीमत कितनी है? (Rs. में - दो दशमलव स्थान तक)

Options

A

220.52

220.52

B

250.52

250.52

C

230.52

230.52

D

240.52

240.52


Solution:

Correct Answer:

C

230.52

230.52


Question 8

The layer of air around the earth is known as _______.
पृथ्वी के चारों ओर व्याप्त वायु की परत __________ के नाम से जानी जाती है।

Options

A

Asthenosphere

Asthenosphere

B

Hydrosphere

Hydrosphere

C

Lithosphere

Lithosphere

D

Atmosphere

Atmosphere


Solution:

Correct Answer:

D

Atmosphere

Atmosphere


Question 9

M.S. Subbulakshmi is a distinguished personality in which of the following fields?
एम एस सुब्बुलक्ष्मी निम्निलिखित में से किस क्षेत्र में एक विशिष्ट व्यक्तित्व हैं?

Options

A

Carnatic Music

Carnatic Music

B

Painting

Painting

C

Architecture

Architecture

D

Classical Dance

Classical Dance


Solution:

Correct Answer:

A

Carnatic Music

Carnatic Music


Question 10

A truck, 1775 metres long, is running at a speed of 133 km/hr. How many seconds will it take to cross a 1675 metres long train running in the same direction at a speed of 103 km/hr?
1775 मीटर लंबा ट्रक, 133 km/hr की चाल से चल रहा है। 103 km/hr की चाल से उसी दिशा में चल रही 1675 मीटर लंबी रेलगाड़ी को पार करने में उसे कितने सेकंड का समय लगेगा?

Options

A

424

424

B

444

444

C

434

434

D

414

414


Solution:

Correct Answer:

D

414

414


Question 11

If the first half of the word SPHYGMOMANOMETER is reversed, which of the following will be the sixth to the right of the third letter from the left end?
यदि शब्द SPHYGMOMANOMETER के पहले आधे भाग को व्युतक्रमित कर दिया जाए, तो बाएं छोर से तीसरे अक्षर के दाएं में छठा अक्षर निम्नलिखित में से कौन-सा होगा?

Options

A

M

M

B

N

N

C

A

A

D

S

S


Solution:

Correct Answer:

C

A

A


Question 12

Which of the following will set up India's biggest Wrestling Academy at Kishanganj, Delhi?
निम्नलिखित में से कौन-सा संगठन दिल्ली के किशनगंज में भारत के सबसी बड़ी कुश्ती अकादमी की स्थापना करने जा रहा है?

Options

A

State Bank of India

State Bank of India

B

Indian Army

Indian Army

C

Indian Air Force

Indian Air Force

D

Indian Railways

Indian Railways


Solution:

Correct Answer:

D

Indian Railways

Indian Railways


Question 13

Find the odd image out in the given series.

दी गई श्रृंखला में असंगत चित्र ज्ञात कीजिए।


Options

A

4

4

B

1

1

C

2

2

D

3

3


Solution:

Correct Answer:

B

1

1


Question 14

If May 21, 2021 is a Friday, then May 31, 2121 falls on which day of the week?
यदि दिनांक 21 मई, 2021 पर शुक्रवार होता है, तो दिनांक 31 मई, 2121 पर सप्ताह का कौन-सा दिन होगा?

Options

A

Thursday

Thursday

B

Saturday

Saturday

C

Wednesday

Wednesday

D

Tuesday

Tuesday


Solution:

Correct Answer:

B

Saturday

Saturday


Question 15

Find the value of X in the given image.

दिए गए चित्र में X का मान ज्ञात कीजिए।


Options

A

195

195

B

105

105

C

106

106

D

108

108


Solution:

Correct Answer:

C

106

106


Question 16

If the second half of the word PHOTOCOAGULATION is reversed, which of the following will be the third to the right of the sixth letter from the left end?
यदि शब्द PHOTOCOAGULATION के दूसरे आधे भाग को व्युतक्रमित कर दिया जाए, तो बाएं छोर से छठे अक्षर के दाएं में तीसरा अक्षर निम्नलिखित में से कौन-सा होगा?

Options

A

O

O

B

N

N

C

A

A

D

C

C


Solution:

Correct Answer:

B

N

N


Question 17

What is the full form of 'WTO', an international organization?
अंतर्राष्ट्रीय संगठन 'WTO' का पूर्ण रूप क्या है?

Options

A

World Technology Organization

World Technology Organization

B

World Trade Organization

World Trade Organization

C

World Tariff Organization

World Tariff Organization

D

World Transit Organization

World Transit Organization


Solution:

Correct Answer:

B

World Trade Organization

World Trade Organization


Question 18

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

Options

A

Submit

Submit

B

Bow

Bow

C

Lose

Lose

D

Beat

Beat


Solution:

Correct Answer:

D

Beat

Beat


Question 19

Find the next term in the given series.
CHROMOSOME, OMOS, HROMOSOM, MO, ?
दी गई श्रृंखला में अगला पद ज्ञात करें।
CHROMOSOME, OMOS, HROMOSOM, MO, ?

Options

A

MOSO

MOSO

B

ROMO

ROMO

C

ROMOSO

ROMOSO

D

OMOS

OMOS


Solution:

Correct Answer:

C

ROMOSO

ROMOSO


Question 20

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?
H, I, P, N, F
निम्नलिखित पांच में से चार एक निश्चित तरीके से समान हैं और इसलिए एक समूह बनाते हैं। इनमें से वह कौन-सा है जो उस समूह से संबंधित नहीं है?
H, I, P, N, F

Options

A

I

I

B

H

H

C

P

P

D

N

N


Solution:

Correct Answer:

A

I

I


Question 21

In a certain code, if LOCAT is written as MBDPU, then how is GRAPH written in that code?
किसी निश्चित कूट भाषा में, यदि LOCAT को MBDPU के रूप में लिखा जाता है, तो उस कूट भाषा में GRAPH को कैसे लिखा जाएगा?

Options

A

SHBIQ

SHBIQ

B

HQBSI

HQBSI

C

HTDTM

HTDTM

D

IQBSH

IQBSH


Solution:

Correct Answer:

B

HQBSI

HQBSI


Question 22

If 20% of 470 is x% less than 40% of 580, find x. (Up to two decimals)
यदि 470 का 20%, 580 के 40% से x% कम है, तो x ज्ञात कीजिए। (दो दशमलव स्थान तक)

Options

A

69.45%

69.45%

B

90.54%

90.54%

C

82.65%

82.65%

D

59.48%

59.48%


Solution:

Correct Answer:

D

59.48%

59.48%


Question 23

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

Options

A

Pesimist

Pesimist

B

Preciptate

Preciptate

C

Tributary

Tributary

D

Symetry

Symetry


Solution:

Correct Answer:

C

Tributary

Tributary


Question 24

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

I am good _____________ drawing a portrait.
Fill in the blanks with suitable Preposition from the given alternatives.

I am good _____________ drawing a portrait.

Options

A

at

at

B

for

for

C

on

on

D

over

over


Solution:

Correct Answer:

A

at

at


Question 25

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

Options

A

Horrible

Horrible

B

Calm

Calm

C

Trivial

Trivial

D

Poor

Poor


Solution:

Correct Answer:

A

Horrible

Horrible


Question 26

In a certain code, if FAMOUS is written as MAFSUO, then how is LEGEND written in that code?
किसी निश्चित कूट भाषा में, यदि FAMOUS को MAFSUO के रूप में लिखा जाता है, तो उस कूट भाषा में LEGEND को कैसे लिखा जाएगा?

Options

A

GELDNE

GELDNE

B

ELEGDN

ELEGDN

C

LNEGEL

LNEGEL

D

LGENED

LGENED


Solution:

Correct Answer:

A

GELDNE

GELDNE


Question 27

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

Extract

Extract

B

Insert

Insert

C

Clear

Clear

D

Remove

Remove


Solution:

Correct Answer:

B

Insert

Insert


Question 28

What will be written in the place of question mark in the given series?
C3N14S19G7?25
दी गई श्रृंखला में प्रश्नवाचक चिह्न के स्थान पर क्या लिखा जाएगा?
C3N14S19G7?25

Options

A

X

X

B

V

V

C

W

W

D

Y

Y


Solution:

Correct Answer:

D

Y

Y


Question 29

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

__________ girl sitting beside me raised her hand.
Fill in the blanks with suitable Article from the given alternatives.

__________ girl sitting beside me raised her hand.

Options

A

a

a

B

The

The

C

an

an

D

No article

No article


Solution:

Correct Answer:

B

The

The


Question 30

Durand Cup is associated with which of the following sports?
डूरंड कप निम्नलिखित में से किस खेल से संबंधित है?

Options

A

Tennis

Tennis

B

Badminton

Badminton

C

Football

Football

D

Hockey

Hockey


Solution:

Correct Answer:

C

Football

Football


Question 31

Which of the following is the smallest state of India in terms of area?
निम्नलिखित में से कौन-सा राज्य क्षेत्रफल के आधार पर भारत का सबसे छोटा राज्य है?

Options

A

Meghalaya

Meghalaya

B

Tripura

Tripura

C

Goa

Goa

D

Assam

Assam


Solution:

Correct Answer:

C

Goa

Goa


Question 32

Ramu bought a new plot which needs to be fenced immediately due to which the length and the breadth of the rectangular working place gets reduced by 18% each. Find the % decrease in the area.
रामू ने एक नया प्लाट खरीदा जिस पर तुरंत बाड़ा लगाने की जरूरत है, इसके कारण आयताकार कार्यस्थल की लंबाई और चौड़ाई प्रत्येक में 18% की कमी हो जाती है। क्षेत्रफल में % कमी ज्ञात कीजिए।


Options

A

32.76%

32.76%

B

28.44%

28.44%

C

35.67%

35.67%

D

30.05%

30.05%


Solution:

Correct Answer:

A

32.76%

32.76%


Question 33

Solve:

हल करें:


Options

A

729

729

B

841

841

C

676

676

D

784

784


Solution:

Correct Answer:

D

784

784


Question 34

Who was the first woman President of the Indian National Congress?
भारतीय राष्ट्रीय कांग्रेस की सर्वप्रथम महिला अध्यक्ष कौन थीं?

Options

A

Elizabeth Blackwell

Elizabeth Blackwell

B

Clara Barton

Clara Barton

C

Annie Besant

Annie Besant

D

Pearl S Buck

Pearl S Buck


Solution:

Correct Answer:

C

Annie Besant

Annie Besant


Question 35

After walking 2km, a boy turned left and walked 6km. He then took a left turn and walked 15km. If he stood facing East direction finally, towards which direction did he walk the first 2km?
2 km चलने के बाद, एक लड़का बाएं मुड़ता है और 6 km चलता है। वह फिर बाएं मुड़ता है और 15 km चलता है। यदि वह अंत में पूर्व दिशा की ओर मुंह करके खड़ा हुआ है, तो वह पहले 2 km किस दिशा में चला था?

Options

A

West

West

B

North

North

C

South

South

D

East

East


Solution:

Correct Answer:

A

West

West


Question 36

A shopkeeper sells two bags for Rs.5500 each. On one, he gets 26% profit and on the other he gets 26% loss. Find his profit or loss percentage for the entire transaction.
एक दुकानदार Rs.5500 प्रत्येक में दो बैग बेचता है। एक पर उसे 26% का लाभ होता है और दूसरे पर उसे 26% की हानि होती है। पूरे लेन-देन के लिए उसका लाभ या हानि प्रतिशत ज्ञात करें।

Options

A

5.76% profit

5.76% profit

B

6.76% profit

6.76% profit

C

6.76% loss

6.76% loss

D

5.76% loss

5.76% loss


Solution:

Correct Answer:

C

6.76% loss

6.76% loss


Question 37

Where is the headquarters of Reserve Bank of India located?
भारतीय रिज़र्व बैंक का मुख्यालय कहाँ स्थित है?

Options

A

Surat

Surat

B

New Delhi

New Delhi

C

Mumbai

Mumbai

D

Chennai

Chennai


Solution:

Correct Answer:

C

Mumbai

Mumbai


Question 38

A train of length 975 m traveling at a speed of 252 kmph crosses a Tunnel in 68 seconds. Find the length of the Tunnel. (In metres)
975 m लंबी रेलगाड़ी, 252 kmph की चाल से चलती है और 68 सेकंड में एक सुरंग को पार करती है। सुरंग की लंबाई ज्ञात कीजिए। (मीटर में)

Options

A

3885

3885

B

3685

3685

C

3785

3785

D

3985

3985


Solution:

Correct Answer:

C

3785

3785


Question 39

Given a2-b2 = 1452 and a+b = 242, then find the value of a-b.
यह दिया गया है कि a2-b2 = 1452 और a+b = 242 है, तो a-b का मान ज्ञात करें।

Options

A

4

4

B

3

3

C

5

5

D

6

6


Solution:

Correct Answer:

D

6

6


Question 40

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

Options

A

Gradiant

Gradiant

B

Mithical

Mithical

C

Observant

Observant

D

Asimilate

Asimilate


Solution:

Correct Answer:

C

Observant

Observant


Question 41

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

Options

A

Secret

Secret

B

Naked

Naked

C

Clear

Clear

D

Obvious

Obvious


Solution:

Correct Answer:

A

Secret

Secret


Question 42

Pointing to a photograph of a man, a girl said "He is the brother of brother of husband of my mother". How is the man related to the girl?
एक आदमी की तस्वीर की ओर इशारा करते हुए एक लड़की ने कहा "वह मेरी माँ के पति के भाई का भाई है"। उस आदमी का उस लड़की से क्या संबंध है?

Options

A

Cousin

Cousin

B

Uncle

Uncle

C

Grandfather

Grandfather

D

Brother

Brother


Solution:

Correct Answer:

B

Uncle

Uncle


Question 43

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

Options

A

Confuse

Confuse

B

Aid

Aid

C

Soothe

Soothe

D

Organize

Organize


Solution:

Correct Answer:

A

Confuse

Confuse


Question 44

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

The crash of _______ Ethiopian Airlines passenger jet bound for Nairobi on Sunday raised questions about the safety of the Boeing aircrafts.
Fill in the blanks with suitable Article from the given alternatives.

The crash of _______ Ethiopian Airlines passenger jet bound for Nairobi on Sunday raised questions about the safety of the Boeing aircrafts.

Options

A

a

a

B

the

the

C

an

an

D

No article

No article


Solution:

Correct Answer:

C

an

an


Question 45

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

Options

A

Destroy

Destroy

B

Sustain

Sustain

C

Hoist

Hoist

D

Assist

Assist


Solution:

Correct Answer:

A

Destroy

Destroy


Question 46

What will be the day of the week on 16th July, 2034?
दिनांक 16 जुलाई, 2034 पर सप्ताह का कौन-सा दिन होगा?

Options

A

Sunday

Sunday

B

Tuesday

Tuesday

C

Monday

Monday

D

Friday

Friday


Solution:

Correct Answer:

A

Sunday

Sunday


Question 47

The average height of 47 telecom towers which is arranged in ascending order is 272 m. If the average height of first 23 telecom towers is 272 m and that of last 23 telecom towers is 272 m, then what is the height of 24th telecom tower? (In m)
आरोही क्रम में व्यवस्थित 47 दूरसंचार टावरों की औसत ऊंचाई 272 m है। यदि पहले 23 दूरसंचार टावरों की औसत ऊंचाई 272 m और अंतिम 23 दूरसंचार टावरों की औसत ऊंचाई 272 m है, तो 24वें दूरसंचार टावर की ऊंचाई कितनी है? (m में)

Options

A

276

276

B

274

274

C

270

270

D

272

272


Solution:

Correct Answer:

D

272

272


Question 48

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

I need five pieces _________ paper to decorate the room.
Fill in the blanks with suitable Preposition from the given alternatives.

I need five pieces _________ paper to decorate the room.

Options

A

about

about

B

during

during

C

until

until

D

of

of


Solution:

Correct Answer:

D

of

of


Question 49

Which is the only continent through which the Tropic of Cancer, the Equator and the Tropic of Capricorn pass?
वह कौन-सा अकेला महाद्वीप है जिसके उपर से कर्क रेखा, विषुवत रेखा और मकर रेखा गुज़रती है?

Options

A

Asia

Asia

B

South America

South America

C

Africa

Africa

D

Europe

Europe


Solution:

Correct Answer:

C

Africa

Africa


Question 50

A woman walked 14km towards East, took a right turn and walked 3km, took another right turn and walked 4km. She then walked 11km towards North and turned right and walked 15km. She then finally took a right turn and walked 8km. How far is she from the starting point?
एक महिला, पूर्व की ओर 14 km चलती है, दाएँ मुड़ती है और 3 km चलती है, वह फिर एक बार दाएँ मुड़ती है और 4 km चलती है। फिर वह उत्तर की ओर 11 km चलती है और दाएँ मुड़ती है और 15 km चलती है। फिर वह अंत में दाएँ मुड़ती है और 8 km चलती है। वह आरंभिक बिंदु से कितनी दूर है?

Options

A

25km

25km

B

23km

23km

C

24km

24km

D

20km

20km


Solution:

Correct Answer:

A

25km

25km


Question 51

Which of the following is true for torque measurement?
बलाघूर्ण माप के लिए निम्नलिखित में से कौन-सा सही है?

Options

A

Measurement of force and length of arm

Measurement of force and length of arm

B

Measurement of velocity of material

Measurement of velocity of material

C

Measurement of length of arm

Measurement of length of arm

D

Measurement of applied force only

Measurement of applied force only


Solution:

Correct Answer:

A

Measurement of force and length of arm

Measurement of force and length of arm


Question 52

The volume of air delivered by the compressor is called______.
संपीडक द्वारा दी गई हवा की मात्रा को _________ कहा जाता है।

Options

A

Compressor capacity

Compressor capacity

B

Clearance volume

Clearance volume

C

Swept volume

Swept volume

D

Free air delivery

Free air delivery


Solution:

Correct Answer:

A

Compressor capacity

Compressor capacity


Question 53

The systematic approach for maintenance is ________.
रखरखाव के लिए व्यवस्थित तरीका है ________।

Options

A

Problem-Diagnosis-Measure-Rectification

Problem-Diagnosis-Measure-Rectification

B

Problem-Cause-Diagnosis-Rectification

Problem-Cause-Diagnosis-Rectification

C

Problem-measure-Diagnosis-Rectification

Problem-measure-Diagnosis-Rectification

D

Problem-Diagnosis-Cause-Rectification

Problem-Diagnosis-Cause-Rectification


Solution:

Correct Answer:

B

Problem-Cause-Diagnosis-Rectification

Problem-Cause-Diagnosis-Rectification


Question 54

What is the measuring device used to measure both internal and external diameter?
आंतरिक और बाहरी दोनों व्यासों के लिए किस मापक यंत्र का उपयोग किया जाता है?

Options

A

Plug gauge

Plug gauge

B

Vernier caliper

Vernier caliper

C

Ring gauge

Ring gauge

D

Feeler gauge

Feeler gauge


Solution:

Correct Answer:

B

Vernier caliper

Vernier caliper


Question 55

Aeroplanes employ which of the following types of compressors?
हवाई जहाज में निम्नलिखित में से किस प्रकार के संपीडक लगाए जाते हैं?

Options

A

Tangential flow

Tangential flow

B

Centrifugal flow

Centrifugal flow

C

Axial flow

Axial flow

D

Radial flow

Radial flow


Solution:

Correct Answer:

C

Axial flow

Axial flow


Question 56

The product of moment of inertia and angular velocity is known as______.
जड़त्वाघूर्ण और कोणीय वेग के गुणनफल को ______ के रूप में जाना जाता है।

Options

A

Potential energy

Potential energy

B

Angular momentum

Angular momentum

C

Angular torque

Angular torque

D

Power

Power


Solution:

Correct Answer:

B

Angular momentum

Angular momentum


Question 57

The unit of pressure is:
दाब की इकाई क्या है?

Options

A

N/m

N/m

B

J/m2

J/m2

C

N/m2

N/m2

D

J/cm

J/cm


Solution:

Correct Answer:

C

N/m2

N/m2


Question 58

Which of the following is not used as process equipment?
निम्नलिखित में से किसका उपयोग प्रक्रिया उपकरण के रूप में नहीं किया जाता है?

Options

A

Pump

Pump

B

Generator

Generator

C

Furnace

Furnace

D

Compressor

Compressor


Solution:

Correct Answer:

B

Generator

Generator


Question 59

Which of the following formula is correct for longitudinal stress in thin cylinder?
पतले बेलन में अनुदैर्ध्य प्रतिबल के लिए निम्नलिखित में से कौन-सा सूत्र सही है?

Options

A

Pd/6t

Pd/6t

B

Pd/8t

Pd/8t

C

Pd/4t

Pd/4t

D

Pd/2t

Pd/2t


Solution:

Correct Answer:

C

Pd/4t

Pd/4t


Question 60

Which of the following instruments is used to check the clearance between two mating surface?
निम्नलिखित में से कौन-सा उपकरण, दो मिलन पृष्ठों के बीच अवकाश (क्लीयरेंस) की जांच करने के लिए उपयोग किया जाता है?

Options

A

V-block

V-block

B

Ring gauge

Ring gauge

C

Feeler gauge

Feeler gauge

D

Plug gauge

Plug gauge


Solution:

Correct Answer:

C

Feeler gauge

Feeler gauge


Question 61

The two bin system is concerned with ______.
दो बिन प्रणाली का संबंध ______ से है।

Options

A

Ordering procedure

Ordering procedure

B

Dispatching and Expediting

Dispatching and Expediting

C

Production planning

Production planning

D

Forecasting sales

Forecasting sales


Solution:

Correct Answer:

A

Ordering procedure

Ordering procedure


Question 62

An economiser in a boiler _____.
क्वथित्र (बॉयलर) में एक मितोपयोजित्र ______________________ ।

Options

A

Increases steam pressure

Increases steam pressure

B

Decreases fuel consumption

Decreases fuel consumption

C

Decreases steam pressure

Decreases steam pressure

D

Increases steam flow

Increases steam flow


Solution:

Correct Answer:

B

Decreases fuel consumption

Decreases fuel consumption


Question 63

What is the operating cycle for gas turbine?
गैस टर्बाइन का संचालन चक्र क्या है?

Options

A

Diesel cycle

Diesel cycle

B

Otto cycle

Otto cycle

C

Dual cycle

Dual cycle

D

Brayton cycle

Brayton cycle


Solution:

Correct Answer:

D

Brayton cycle

Brayton cycle


Question 64

High vibration levels can create _________ that cause structural members to yield or crack.
उच्च कंपन स्तर _________ पैदा कर सकते हैं जो संरचनात्मक अवयवों के गिरने में या उनमें दरार होने का कारण बनते हैं।

Options

A

thermal loads

thermal loads

B

fatigue loads

fatigue loads

C

thermo-mechanical loads

thermo-mechanical loads

D

mechanical loads

mechanical loads


Solution:

Correct Answer:

B

fatigue loads

fatigue loads


Question 65

Impellers for high heads usually have ________.
उच्च दाबोच्चता के लिए प्रणोदक में आमतौर पर ________ होती है।

Options

A

High specific speed

High specific speed

B

Low specific speed

Low specific speed

C

Variable specific speed

Variable specific speed

D

Medium specific speed

Medium specific speed


Solution:

Correct Answer:

B

Low specific speed

Low specific speed


Question 66

Which of the following is used as filler rod in soldering process?
सोल्डरिंग प्रक्रिया में निम्नलिखित में से किसका उपयोग पूरक छड़ (फिलर रॉड) के रूप में किया जाता है?

Options

A

Flux

Flux

B

Spelter

Spelter

C

Solder

Solder

D

Electrode

Electrode


Solution:

Correct Answer:

C

Solder

Solder


Question 67

Which of the following will not come under the scheduled maintenance?
निम्नलिखित में से कौन-सा, नियोजित अनुरक्षण के अंतर्गत नहीं आएगा?

Options

A

White washing of building

White washing of building

B

Overhauling of machine

Overhauling of machine

C

Cleaning of tank

Cleaning of tank

D

Repair broken belt of an electric motor

Repair broken belt of an electric motor


Solution:

Correct Answer:

D

Repair broken belt of an electric motor

Repair broken belt of an electric motor


Question 68

Which drawing shows the position of each part?
कौन-सा आरेखण प्रत्येक पुर्जे की स्थिति दर्शाता है?

Options

A

Production drawing

Production drawing

B

Installation drawing

Installation drawing

C

Machine drawing

Machine drawing

D

Assembly drawing

Assembly drawing


Solution:

Correct Answer:

D

Assembly drawing

Assembly drawing


Question 69

In water cooling, the water in the jackets obtains heat from the cylinders due to _______.
जल शीतलन में, जैकेट में मौजूद जल _______ के कारण सिलेंडरों से ऊष्मा प्राप्त करता है।

Options

A

Conduction

Conduction

B

Evaporation

Evaporation

C

Radiation

Radiation

D

Convection

Convection


Solution:

Correct Answer:

A

Conduction

Conduction


Question 70

Which of the following is a component used in air generation system?
वायु उत्पादन प्रणाली में निम्नलिखित में से किस घटक का उपयोग किया जाता है?

Options

A

Intercooler

Intercooler

B

Drier

Drier

C

Pressure switch

Pressure switch

D

Pressure gauge

Pressure gauge


Solution:

Correct Answer:

B

Drier

Drier


Question 71

Which of the following components is responsible for lifting in a hydraulic crane?
हाइड्रोलिक क्रेन में उत्थापन के लिए कौन-सा घटक जिम्मेदार है?

Options

A

Boom

Boom

B

Rotex gear

Rotex gear

C

Gib

Gib

D

counter weight

counter weight


Solution:

Correct Answer:

A

Boom

Boom


Question 72

Which of the following is used to make internal thread in a hole?
छेद में आंतरिक चूड़ी बनाने के लिए निम्नलिखित में से किसका उपयोग किया जाता है?

Options

A

Drilling

Drilling

B

Boring

Boring

C

Reaming

Reaming

D

Tapping

Tapping


Solution:

Correct Answer:

D

Tapping

Tapping


Question 73

Which one of the following specifies about pressure vessel inspection code “Maintenance Inspection, Rating, Repair, and Alteration”?
निम्नलिखित में से कौन, दाब पात्र निरीक्षण कोड "रखरखाव निरीक्षण, रेटिंग, मरम्मत और संशोधन" के बारे में निर्दिष्ट करता है?

Options

A

ASTM E140

ASTM E140

B

AWS A 2.4

AWS A 2.4

C

API RP 510

API RP 510

D

ASME Sec II C

ASME Sec II C


Solution:

Correct Answer:

C

API RP 510

API RP 510


Question 74

Centrifugal pumps transfer energy from ______.
अपकेंद्री पंप, ऊर्जा को ________ में स्थानांतरित करते हैं।

Options

A

Draft to rotor

Draft to rotor

B

Fluid to rotor

Fluid to rotor

C

Rotor to draft

Rotor to draft

D

Rotor to fluid

Rotor to fluid


Solution:

Correct Answer:

D

Rotor to fluid

Rotor to fluid


Question 75

Which valve is known as memory valve?
किस वाल्व को मेमोरी वाल्व के रूप में जाना जाता है?

Options

A

Single pilot signal valve

Single pilot signal valve

B

Roller level valve

Roller level valve

C

Double pilot signal valve

Double pilot signal valve

D

Longitudinal valve

Longitudinal valve


Solution:

Correct Answer:

C

Double pilot signal valve

Double pilot signal valve


Question 76

The vacuum obtainable in a condenser depends upon _______.
एक संघनित्र में प्राप्त होने वाला निर्वात _______ पर निर्भर करता है।

Options

A

Type of condenser used

Type of condenser used

B

Quantity of steam to be handled

Quantity of steam to be handled

C

Temperature of cooling water

Temperature of cooling water

D

Capacity of ejector

Capacity of ejector


Solution:

Correct Answer:

C

Temperature of cooling water

Temperature of cooling water


Question 77

Which type of flame has the oxygen and acetylene ratio 1.2:1?
किस प्रकार की ज्वाला में ऑक्सीजन और एसिटिलीन का अनुपात 1.2:1 होता है?

Options

A

Reducing flame

Reducing flame

B

Carburizing flame

Carburizing flame

C

Neutral flame

Neutral flame

D

Oxidizing flame

Oxidizing flame


Solution:

Correct Answer:

D

Oxidizing flame

Oxidizing flame


Question 78

Which device is termed as steam generator?
किस उपकरण को वाष्प जनित्र कहा जाता है?

Options

A

Gas turbine

Gas turbine

B

Evaporator

Evaporator

C

Boiler

Boiler

D

Condenser

Condenser


Solution:

Correct Answer:

C

Boiler

Boiler


Question 79

Deviation from the true value is ______.
वास्तविक मान से विचलन, ______ है।

Options

A

Error

Error

B

Repeatability

Repeatability

C

Precision

Precision

D

Accuracy

Accuracy


Solution:

Correct Answer:

A

Error

Error


Question 80

Hydraulic motor converts hydraulic oil under pressure into which of the following parameters?
हाइड्रोलिक मोटर, दाब के अधीन हाइड्रोलिक तेल को निम्नलिखित में से किस प्राचल (पैरामीटर) में परिवर्तित करती है?

Options

A

Torque and angular displacement

Torque and angular displacement

B

Force and angular displacement

Force and angular displacement

C

Force and linear displacement

Force and linear displacement

D

Torque and linear displacement

Torque and linear displacement


Solution:

Correct Answer:

A

Torque and angular displacement

Torque and angular displacement


Question 81

According to fan laws, at constant speed and capacity, the pressure and power vary ________.
पंखा नियमों के अनुसार, नियत चाल और क्षमता पर, दाब और शक्ति ________ बदलते हैं।

Options

A

Inversely as square root of density

Inversely as square root of density

B

As square of density

As square of density

C

Inversely as density

Inversely as density

D

Directly as the air or gas density

Directly as the air or gas density


Solution:

Correct Answer:

D

Directly as the air or gas density

Directly as the air or gas density


Question 82

In pneumatic system, AND gate is also known as _____.
वायुचालित प्रणाली में, AND गेट को _________ के रूप में भी जाना जाता है।

Options

A

Dual pressure relief valve

Dual pressure relief valve

B

Shuttle valve

Shuttle valve

C

Check valve

Check valve

D

Non-adjustable valve

Non-adjustable valve


Solution:

Correct Answer:

A

Dual pressure relief valve

Dual pressure relief valve


Question 83

Which component of the crane restricts tipping?
क्रेन का कौन-सा घटक, पलटने (टिपिंग) को प्रतिबंधित करता है?

Options

A

Counter weight

Counter weight

B

Gear

Gear

C

Indicator

Indicator

D

boom

boom


Solution:

Correct Answer:

A

Counter weight

Counter weight


Question 84

Which of the following surface finish operations uses dust type abrasive?
निम्नलिखित में से कौन-सी पृष्ठीय परिसज्जा संक्रिया, धूल प्रकार के अपघर्षक का उपयोग करती है?

Options

A

Honing

Honing

B

Lapping

Lapping

C

Buffing

Buffing

D

Burnishing

Burnishing


Solution:

Correct Answer:

B

Lapping

Lapping


Question 85

The process in which joining temperature is less than 420o C is _____.
वह प्रक्रिया जिसमें जोड़ने का तापमान 420oC से कम होता है, उसे __________ कहा जाता है।

Options

A

Soldering

Soldering

B

Arc welding

Arc welding

C

Gas welding

Gas welding

D

Brazing

Brazing


Solution:

Correct Answer:

A

Soldering

Soldering


Question 86

Which of the following formula is correct for maximum shear stress in thin cylinder?
निम्न में से कौन-सा सूत्र, पतले सिलेंडर में अधिकतम अपरूपण प्रतिबल के लिए सही है?

Options

A

Pd/8t

Pd/8t

B

Pd/4t

Pd/4t

C

Pd/2t

Pd/2t

D

Pd/6t

Pd/6t


Solution:

Correct Answer:

A

Pd/8t

Pd/8t


Question 87

What is the angle difference between main winding and start winding in induction motor?
प्रेरण मोटर में मुख्य कुंडलन और प्रारंभ कुंडलन के बीच कोण का अंतर क्या है?

Options

A

90o mechanical

90o mechanical

B

45o mechanical

45o mechanical

C

90o electrical

90o electrical

D

45o electrical

45o electrical


Solution:

Correct Answer:

C

90o electrical

90o electrical


Question 88

Which type of blowers advances into the furnace, cleans and comes back?
किस प्रकार की धौंकनी (ब्लोअर) भट्ठी में आगे जाती है, सफाई करती है और वापस आ जाती है?

Options

A

Retractable blower

Retractable blower

B

Air heat blower

Air heat blower

C

Insertable kinetic blower

Insertable kinetic blower

D

Wall blower

Wall blower


Solution:

Correct Answer:

A

Retractable blower

Retractable blower


Question 89

When should the radio signal of a crane be tested?
क्रेन के रेडियो सिग्नल का परीक्षण कब किया जाना चाहिए?

Options

A

Annually

Annually

B

At the end of each shift

At the end of each shift

C

Prior to the beginning of the operation

Prior to the beginning of the operation

D

daily

daily


Solution:

Correct Answer:

C

Prior to the beginning of the operation

Prior to the beginning of the operation


Question 90

Which one of the following is an example for simple impulse turbine?
निम्नलिखित में से कौन-सा एक साधारण आवेग टर्बाइन का उदाहरण है?

Options

A

DeLaval turbine

DeLaval turbine

B

Parson turbine

Parson turbine

C

Curtis turbine

Curtis turbine

D

Kaplan turbine

Kaplan turbine


Solution:

Correct Answer:

A

DeLaval turbine

DeLaval turbine


Question 91

Which paint contains polyvinyl acetylene?
किस पेंट में पॉलीविनाइल एसिटिलीन होता है?

Options

A

Enamel paint

Enamel paint

B

Latex paint

Latex paint

C

Emulsion paint

Emulsion paint

D

Oil paint

Oil paint


Solution:

Correct Answer:

C

Emulsion paint

Emulsion paint


Question 92

The fluid coming into the centrifugal pump is accelerated by_____.
अपकेंद्री पंप में आने वाले द्रव को _____ द्वारा त्वरित किया जाता है।

Options

A

Impeller

Impeller

B

Governor

Governor

C

Throttling

Throttling

D

Nozzle

Nozzle


Solution:

Correct Answer:

A

Impeller

Impeller


Question 93

Which paint can be ideal for stenciling?
(निकृंत) स्टैंसिलिंग के लिए कौन-सा पेंट आदर्श हो सकता है?

Options

A

Emulsion paint

Emulsion paint

B

Oil paint

Oil paint

C

Acrylic paint

Acrylic paint

D

Anti-corrosive paint

Anti-corrosive paint


Solution:

Correct Answer:

C

Acrylic paint

Acrylic paint


Question 94

The method of removing soot from the power plant machineries is known as____.
विद्युत संयंत्र की मशीनरी से कालिख निकालने की विधि को ________ के रूप में जाना जाता है।

Options

A

Centrifugation

Centrifugation

B

Soot Blowing

Soot Blowing

C

Bio Leaching

Bio Leaching

D

Soot cleaning

Soot cleaning


Solution:

Correct Answer:

B

Soot Blowing

Soot Blowing


Question 95

The action of the steam in steam turbine is ______.
वाष्प टरबाइन में वाष्प की क्रिया __________ होती है।

Options

A

Dynamic

Dynamic

B

Static and dynamic

Static and dynamic

C

Static

Static

D

Rest

Rest


Solution:

Correct Answer:

A

Dynamic

Dynamic


Question 96

In DC motors, the direction of rotation of a motor is determined by_____.
DC मोटर्स में, मोटर के घूमने की दिशा _____ द्वारा निर्धारित की जाती है।

Options

A

Faraday's law

Faraday's law

B

Coulomb's law

Coulomb's law

C

Fleming's left hand rule

Fleming's left hand rule

D

Lenz's law

Lenz's law


Solution:

Correct Answer:

C

Fleming's left hand rule

Fleming's left hand rule


Question 97

Which of the following processes is oxide coating process?
निम्नलिखित में से कौन-सी प्रक्रिया ऑक्साइड विलेपन प्रक्रिया है?

Options

A

Parkerizing

Parkerizing

B

Sherardising

Sherardising

C

Galvanization

Galvanization

D

Anodising

Anodising


Solution:

Correct Answer:

D

Anodising

Anodising


Question 98

Decibel is a unit used to measure:
डेसिबल एक इकाई है जिसका उपयोग ____________ मापने के लिए किया जाता है।

Options

A

Light

Light

B

Frequency

Frequency

C

Sound

Sound

D

Vibration

Vibration


Solution:

Correct Answer:

C

Sound

Sound


Question 99

What type of agitators is used for highly viscous particle?
अत्यधिक श्यान कण के लिए किस प्रकार के विलोडक का उपयोग किया जाता है?

Options

A

Single blade agitator

Single blade agitator

B

Helical screw

Helical screw

C

Compound agitator

Compound agitator

D

Propeller agitator

Propeller agitator


Solution:

Correct Answer:

B

Helical screw

Helical screw


Question 100

Which one of the following is a four wheeled vehicle used for material handling?
निम्नलिखित में से कौन-सा एक चार-पहिया वाहन है जिसका उपयोग सामग्री के संचालन के लिए किया जाता है?

Options

A

travelling wall crane

travelling wall crane

B

industrial forklift

industrial forklift

C

single girder crane

single girder crane

D

pillar gib crane

pillar gib crane


Solution:

Correct Answer:

B

industrial forklift

industrial forklift


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