Operations Technician 07-Aug-2022 09:00-11:00 Previous Year Paper Technical Knowledge PDF


Question 1

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

105 loss

105 loss

B

107 profit

107 profit

C

105 profit

105 profit

D

107 loss

107 loss


Solution:

Correct Answer:

D

107 loss

107 loss


Question 2

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

Nepal

Nepal

C

Pakistan

Pakistan

D

Sri Lanka

Sri Lanka


Solution:

Correct Answer:

C

Pakistan

Pakistan


Question 3

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

underneath

underneath

B

beside

beside

C

beneath

beneath

D

at

at


Solution:

Correct Answer:

B

beside

beside


Question 4

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

Options

A

Carbon dioxide

Carbon dioxide

B

Hydrogen

Hydrogen

C

Nitrogen

Nitrogen

D

Helium

Helium


Solution:

Correct Answer:

C

Nitrogen

Nitrogen


Question 5

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

Options

A

Uniformmity

Uniformmity

B

Paraphrese

Paraphrese

C

Receptive

Receptive

D

Resollution

Resollution


Solution:

Correct Answer:

C

Receptive

Receptive


Question 6

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

Weak

Weak

C

Surrendering

Surrendering

D

Flexible

Flexible


Solution:

Correct Answer:

A

Determined

Determined


Question 7

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 Transfer Machine

Automated Transfer Machine

B

Automated Teller Machine

Automated Teller Machine

C

Automated Transaction Machine

Automated Transaction Machine

D

Automated Trading Machine

Automated Trading Machine


Solution:

Correct Answer:

B

Automated Teller Machine

Automated Teller Machine


Question 8

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

48

48

B

50

50

C

46

46

D

52

52


Solution:

Correct Answer:

A

48

48


Question 9

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 10

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

in

in

B

during

during

C

between

between

D

beside

beside


Solution:

Correct Answer:

D

beside

beside


Question 11

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

Thursday

Thursday

B

Friday

Friday

C

Sunday

Sunday

D

Saturday

Saturday


Solution:

Correct Answer:

B

Friday

Friday


Question 12

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 13

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 14

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

Options

A

State Bank of India

State Bank of India

B

Indian Overseas Bank

Indian Overseas Bank

C

Reserve Bank of India

Reserve Bank of India

D

Indian Bank

Indian Bank


Solution:

Correct Answer:

C

Reserve Bank of India

Reserve Bank of India


Question 15

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

LNEGEL

LNEGEL

B

LGENED

LGENED

C

ELEGDN

ELEGDN

D

GELDNE

GELDNE


Solution:

Correct Answer:

C

ELEGDN

ELEGDN


Question 16

Solve:

हल करें:


Options

A

1296

1296

B

1535

1535

C

1065

1065

D

1024

1024


Solution:

Correct Answer:

D

1024

1024


Question 17

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

199

199

B

197

197

C

201

201

D

195

195


Solution:

Correct Answer:

B

197

197


Question 18

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

South

South

B

North

North

C

East

East

D

West

West


Solution:

Correct Answer:

B

North

North


Question 19

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

Lawn Tennis

Lawn Tennis

B

Table Tennis

Table Tennis

C

Squash

Squash

D

Badminton

Badminton


Solution:

Correct Answer:

D

Badminton

Badminton


Question 20

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

Robert Clive

Robert Clive

C

George Barlow

George Barlow

D

Warren Hastings

Warren Hastings


Solution:

Correct Answer:

A

Reginald Dyer

Reginald Dyer


Question 21

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

2673

2673

B

2773

2773

C

2573

2573

D

2473

2473


Solution:

Correct Answer:

C

2573

2573


Question 22

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

Options

A

Tuesday

Tuesday

B

Thursday

Thursday

C

Monday

Monday

D

Wednesday

Wednesday


Solution:

Correct Answer:

A

Tuesday

Tuesday


Question 23

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

Maharashtra

Maharashtra

B

Rajasthan

Rajasthan

C

Sikkim

Sikkim

D

Tamil Nadu

Tamil Nadu


Solution:

Correct Answer:

B

Rajasthan

Rajasthan


Question 24

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

302

302

C

253

253

D

300

300


Solution:

Correct Answer:

C

253

253


Question 25

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:

D




Question 26

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

T/S+R

T/S+R

C

R-S/T

R-S/T

D

R-S*T

R-S*T


Solution:

Correct Answer:

D

R-S*T

R-S*T


Question 27

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

48

48

B

50

50

C

52

52

D

46

46


Solution:

Correct Answer:

A

48

48


Question 28

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

Giant

Giant

B

Miniature

Miniature

C

Dwarf

Dwarf

D

Undersize

Undersize


Solution:

Correct Answer:

A

Giant

Giant


Question 29

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

Options

A

Robust

Robust

B

Personaige

Personaige

C

Qualifiad

Qualifiad

D

Transgresion

Transgresion


Solution:

Correct Answer:

A

Robust

Robust


Question 30

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

40000

40000

B

50000

50000

C

20000

20000

D

55000

55000


Solution:

Correct Answer:

A

40000

40000


Question 31

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

Daughter

C

Niece

Niece

D

Daughter-in-law

Daughter-in-law


Solution:

Correct Answer:

A

Granddaughter

Granddaughter


Question 32

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 के स्थान आपस में बदल दिये जाते है, साथ ही तीसरे और चौथे अक्षर के स्थान आपस में बदल दिये जाते है, पांचवें और छठे अक्षर के स्थान आपस में बदल दिये जाते है, और इसी प्रकार अगले अक्षरों के स्थान भी आपस में बदल दिए जाते हैं। इस प्रकार बने नए शब्द में, बाएँ से छठा अक्षर कौन-सा होगा?

Options

A

H

H

B

O

O

C

D

D

D

Y

Y


Solution:

Correct Answer:

B

O

O


Question 33

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

549

549

B

569

569

C

559

559

D

579

579


Solution:

Correct Answer:

C

559

559


Question 34

Solve:

हल करें:


Options

A

12

12

B

10

10

C

11

11

D

6

6


Solution:

Correct Answer:

B

10

10


Question 35

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

Coherence

Coherence

B

Support

Support

C

Tie

Tie

D

Divorce

Divorce


Solution:

Correct Answer:

D

Divorce

Divorce


Question 36

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

29620

29620

B

29920

29920

C

29820

29820

D

29720

29720


Solution:

Correct Answer:

B

29920

29920


Question 37

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

Surprising

Surprising

B

Strange

Strange

C

Familiar

Familiar

D

Uncommon

Uncommon


Solution:

Correct Answer:

C

Familiar

Familiar


Question 38

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

59.64%

59.64%

B

79.56%

79.56%

C

68.04%

68.04%

D

69.54%

69.54%


Solution:

Correct Answer:

A

59.64%

59.64%


Question 39

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-सा है जो उस समूह से संबंधित नहीं है?
PT, NR, JN, LO, UY

Options

A

PT

PT

B

UY

UY

C

LO

LO

D

NR

NR


Solution:

Correct Answer:

C

LO

LO


Question 40

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

MPTATI

MPTATI

D

ATIO

ATIO


Solution:

Correct Answer:

C

MPTATI

MPTATI


Question 41

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

Build

Build

B

Massacre

Massacre

C

Destroy

Destroy

D

Annihilate

Annihilate


Solution:

Correct Answer:

A

Build

Build


Question 42

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

Options

A

Asia

Asia

B

Australia

Australia

C

Antarctica

Antarctica

D

Africa

Africa


Solution:

Correct Answer:

B

Australia

Australia


Question 43

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

Burden

Burden

B

Support

Support

C

Laziness

Laziness

D

Advantage

Advantage


Solution:

Correct Answer:

A

Burden

Burden


Question 44

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

4

4

D

1

1


Solution:

Correct Answer:

D

1

1


Question 45

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

Germany

Germany

C

South Korea

South Korea

D

United Kingdom

United Kingdom


Solution:

Correct Answer:

A

China

China


Question 46

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

16km

16km

B

20km

20km

C

18km

18km

D

13km

13km


Solution:

Correct Answer:

D

13km

13km


Question 47

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

Options

A

Squash

Squash

B

Tennis

Tennis

C

Table Tennis

Table Tennis

D

Badminton

Badminton


Solution:

Correct Answer:

B

Tennis

Tennis


Question 48

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

S27

S27

B

S28

S28

C

R28

R28

D

R27

R27


Solution:

Correct Answer:

B

S28

S28


Question 49

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

4

4

B

3

3

C

6

6

D

5

5


Solution:

Correct Answer:

C

6

6


Question 50

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

4

4

B

2

2

C

3

3

D

1

1


Solution:

Correct Answer:

A

4

4


Question 51

In Azeotropic distillation, __________ remains low.
एज़ोट्रोपिक आसवन में, __________ निम्न रहता/रहती है।

Options

A

Pollution

Pollution

B

Relative volatility

Relative volatility

C

Heat

Heat

D

Volatility

Volatility


Solution:

Correct Answer:

B

Relative volatility

Relative volatility


Question 52

Tube pitch is the _____ of tube diameter and the clearances.
नलिका अंतराल (ट्यूब पिच), नलिका व्यास और अवकाशों का _____ है।

Options

A

sum

sum

B

product

product

C

ratio

ratio

D

difference

difference


Solution:

Correct Answer:

A

sum

sum


Question 53

The density of water in g/cm3 is ________.
g/cm3 में पानी का घनत्व _________ होता है।

Options

A

1000

1000

B

1

1

C

100

100

D

10

10


Solution:

Correct Answer:

B

1

1


Question 54

What type of fire extinguishers should you use in order to extinguish a fire caused by solid materials, such as wood, paper or textile?
लकड़ी, कागज या कपड़े जैसे ठोस पदार्थों के कारण लगने वाली आग को बुझाने के लिए आपको किस प्रकार के अग्निशामक का उपयोग करना चाहिए?

Options

A

Wet chemical

Wet chemical

B

Water

Water

C

DCP

DCP

D

CO2

CO2


Solution:

Correct Answer:

B

Water

Water


Question 55

Fouling factor is a ___________.
परिदूषक गुणक एक ___________ है।

Options

A

Dirt factor

Dirt factor

B

Friction factor

Friction factor

C

Falling factor

Falling factor

D

Correction factor

Correction factor


Solution:

Correct Answer:

A

Dirt factor

Dirt factor


Question 56

Which of the following flow metering instruments is an area meter?
निम्नलिखित में से कौन-सा प्रवाह नपाई (मीटरिंग) उपकरण एक क्षेत्रफल मीटर है?

Options

A

Rotameter

Rotameter

B

Rotating vane system

Rotating vane system

C

Pitot tube

Pitot tube

D

Hot wire anemometer

Hot wire anemometer


Solution:

Correct Answer:

A

Rotameter

Rotameter


Question 57

In which system is the cooling of hot water done on tray as step by?
किस प्रणाली में ट्रे पर गर्म पानी को चरणबद्ध तरीके से ठंडा किया जाता है?

Options

A

Mechanical draught cooling system

Mechanical draught cooling system

B

Wet cooling tower

Wet cooling tower

C

Atmospheric cooling tower

Atmospheric cooling tower

D

Hyperbolic cooling tower

Hyperbolic cooling tower


Solution:

Correct Answer:

C

Atmospheric cooling tower

Atmospheric cooling tower


Question 58

The flow meter which is replacing the differential pressure meters in its applications is _________.
जिस प्रवाह मीटर को, विभेदी दाब मीटर के स्थान पर, उसीके अनुप्रयोगों में इस्तेमाल किया जा रहा है, वह है __________।

Options

A

ultrasonic flow meter

ultrasonic flow meter

B

electromagnetic flow meter

electromagnetic flow meter

C

Magnetic flow meter

Magnetic flow meter

D

vortex shedding flow meter

vortex shedding flow meter


Solution:

Correct Answer:

D

vortex shedding flow meter

vortex shedding flow meter


Question 59

Industrially, which type of reactors is used for the treatment of small quantity of materials?
औद्योगिक रूप से, कम मात्रा में सामग्री के शोधन के लिए किस प्रकार के रिएक्टरों का उपयोग किया जाता है?

Options

A

Batch reactors

Batch reactors

B

Continuous stirred tank reactors

Continuous stirred tank reactors

C

Plug flow reactors

Plug flow reactors

D

Ideal tubular reactors

Ideal tubular reactors


Solution:

Correct Answer:

A

Batch reactors

Batch reactors


Question 60

Which of the following processes is used to separate insoluble particles from liquids?
अघुलनशील कणों को द्रवों से अलग करने के लिए निम्नलिखित में से किस प्रक्रिया का उपयोग किया जाता है?

Options

A

Drying

Drying

B

Distillation

Distillation

C

Extraction

Extraction

D

Filtration

Filtration


Solution:

Correct Answer:

D

Filtration

Filtration


Question 61

Air vessels are used in a reciprocating pump to __________.
वायु पात्रों का उपयोग एक प्रत्यागामी पंप में __________ के लिए किया जाता है।

Options

A

reduce the acceleration head

reduce the acceleration head

B

reduce the flow

reduce the flow

C

increase the delivery head

increase the delivery head

D

smoothen the flow

smoothen the flow


Solution:

Correct Answer:

A

reduce the acceleration head

reduce the acceleration head


Question 62

The ratio of the unit lateral strain to the unit axial strain is called ___________.
इकाई पार्श्व विकृति (लेटरल स्ट्रेन) और इकाई अक्षीय विकृति (एक्सियल स्ट्रेन) के अनुपात को ___________ कहा जाता है।

Options

A

non-compressibility Factor

non-compressibility Factor

B

Poisson's Ratio

Poisson's Ratio

C

stress factor

stress factor

D

strain factor

strain factor


Solution:

Correct Answer:

B

Poisson's Ratio

Poisson's Ratio


Question 63

The fluid coming into the centrifugal pump is accelerated by a/an ___________.
केन्द्रापसारक पंप में आने वाला द्रव ___________ द्वारा त्वरित होता है।

Options

A

Nozzle

Nozzle

B

Throttle

Throttle

C

Governor

Governor

D

Impeller

Impeller


Solution:

Correct Answer:

D

Impeller

Impeller


Question 64

In distillation under minimum reflux conditions, the number of theoretical stages would be ________.
न्यूनतम पश्चवाही स्थितियों के तहत आसवन में, सैद्धांतिक चरणों की संख्या ___________ होगी।

Options

A

1

1

B

infinite

infinite

C

0

0

D

2

2


Solution:

Correct Answer:

B

infinite

infinite


Question 65

The pressure that is used to calculate the minimum thickness of a vessel is called __________.
एक पात्र की न्यूनतम मोटाई की गणना करने के लिए जिस दाब का उपयोग किया जाता है उसे, __________ कहा जाता है।

Options

A

Operating Pressure

Operating Pressure

B

Maximum pressure

Maximum pressure

C

Design Pressure

Design Pressure

D

Allowable pressure

Allowable pressure


Solution:

Correct Answer:

C

Design Pressure

Design Pressure


Question 66

The volume of air delivered by the compressor is called _______.
संपीड़क द्वारा वितरित वायु के आयतन को _______ कहा जाता है।

Options

A

Compressor capacity

Compressor capacity

B

Free air delivery

Free air delivery

C

Swept volume

Swept volume

D

superficial velocity

superficial velocity


Solution:

Correct Answer:

A

Compressor capacity

Compressor capacity


Question 67

Which of the following filtration equipment offers maximum pressure drop?
निम्नलिखित में से कौन-सा निस्यंदन उपकरण अधिकतम दाब पात प्रदान करता है?

Options

A

Pressure leaf filter press

Pressure leaf filter press

B

Plate and frame filter press

Plate and frame filter press

C

Cyclone filters

Cyclone filters

D

Continuous Rotary Vacuum Filter

Continuous Rotary Vacuum Filter


Solution:

Correct Answer:

A

Pressure leaf filter press

Pressure leaf filter press


Question 68

When steam reaches turbine blades, the type of force responsible for moving turbine blades is ___________.
जब भाप, टर्बाइन के ब्लेड तक पहुँचती है, तब टर्बाइन ब्लेड को गतिमान करने के लिए उत्तरदायी बल ___________ प्रकार का होता है।

Options

A

Longitudinal force

Longitudinal force

B

Axial force

Axial force

C

shear force

shear force

D

Impact force

Impact force


Solution:

Correct Answer:

B

Axial force

Axial force


Question 69

NPSH is the difference between __________.
NPSH (एनपीएसएच) __________ के बीच का अंतर होता है।

Options

A

Suction pressure and vapour pressure

Suction pressure and vapour pressure

B

Partial pressure and suction pressure

Partial pressure and suction pressure

C

Shaft and head

Shaft and head

D

Suction pressure and heat

Suction pressure and heat


Solution:

Correct Answer:

A

Suction pressure and vapour pressure

Suction pressure and vapour pressure


Question 70

Which tube arrangement in a heat exchanger would facilitate the highest heat transfer rate?
ऊष्मा विनिमयित्र में कौन-सी नलिका व्यवस्था उच्चतम ताप अंतरण दर की सुविधा प्रदान करेगी?

Options

A

Diagonal square pitch

Diagonal square pitch

B

Heat transfer rate is independent of tube arrangement

Heat transfer rate is independent of tube arrangement

C

Triangular pitch

Triangular pitch

D

Square Pitch

Square Pitch


Solution:

Correct Answer:

C

Triangular pitch

Triangular pitch


Question 71

The function of a butterfly valve is:
एक तितली वाल्व का कार्य __________ है।

Options

A

Flow regulation

Flow regulation

B

Hydraulic control

Hydraulic control

C

Pressure control

Pressure control

D

On/Off control

On/Off control


Solution:

Correct Answer:

A

Flow regulation

Flow regulation


Question 72

The term “Mutagenic Effect” with reference to exposure to the Hazardous Chemical, means __________.
खतरनाक रसायन के संपर्क में आने के संदर्भ में "उत्परिवर्तजनी (म्यूटाजेनिक) प्रभाव" शब्द का अर्थ __________ है।

Options

A

skin irritation

skin irritation

B

Effect on Genes

Effect on Genes

C

Respiratory infections

Respiratory infections

D

Dental caries

Dental caries


Solution:

Correct Answer:

B

Effect on Genes

Effect on Genes


Question 73

How does outside air enter into the wet cooling system?
बाहरी वायु आर्द्र शीतलन प्रणाली में कैसे प्रवेश करती है?

Options

A

Air vents

Air vents

B

Air blower

Air blower

C

Louvers

Louvers

D

Air compressor

Air compressor


Solution:

Correct Answer:

C

Louvers

Louvers


Question 74

For high conversion in a highly exothermic solid catalysed reaction, _________ bed reactor is used.
अत्यधिक ऊष्माक्षेपी ठोस उत्प्रेरित अभिक्रिया में उच्च रूपांतरण के लिए, _________ संस्तर (बेड) रिएक्टर का उपयोग किया जाता है।

Options

A

fluidized bed reactor followed by a fixed

fluidized bed reactor followed by a fixed

B

fluidized

fluidized

C

fixed bed reactor followed by a fluidized

fixed bed reactor followed by a fluidized

D

fixed

fixed


Solution:

Correct Answer:

A

fluidized bed reactor followed by a fixed

fluidized bed reactor followed by a fixed


Question 75

Which one of the following formula is used to calculate hoop stress in a shell?
एक खोल (शेल) में परिधीय प्रतिबल (हूप स्ट्रेस) की गणना के लिए निम्नलिखित में से किस सूत्र का उपयोग किया जाता है?

Options

A

pD/4t

pD/4t

B

pD/2t

pD/2t

C

pD/4td

pD/4td

D

p2D/t

p2D/t


Solution:

Correct Answer:

B

pD/2t

pD/2t


Question 76

Emergency response planning guidelines (ERPGs) for air contaminants were issued by ______.
वायु संदूषक के लिए आपातकालीन प्रतिक्रिया नियोजन दिशानिर्देश (ईआरपीजी) _________ द्वारा जारी किए गए थे।

Options

A

World Health Organization (WHO)

World Health Organization (WHO)

B

American Industrial Hygiene Association (AIHA)

American Industrial Hygiene Association (AIHA)

C

Environmental Health and Protection Act

Environmental Health and Protection Act

D

Clean Air Act

Clean Air Act


Solution:

Correct Answer:

B

American Industrial Hygiene Association (AIHA)

American Industrial Hygiene Association (AIHA)


Question 77

Indian Standard 2825-1969 is for __________.
भारतीय मानक 2825-1969 __________ के लिए है।

Options

A

heat exchangers

heat exchangers

B

brass tubes for general purpose

brass tubes for general purpose

C

steel plates for boilers

steel plates for boilers

D

unfired pressure vessel

unfired pressure vessel


Solution:

Correct Answer:

D

unfired pressure vessel

unfired pressure vessel


Question 78

Which of the following conversions takes place in float element?
प्लव (फ्लोट) तत्व में निम्नलिखित में से कौन-सा रूपांतरण होता है?

Options

A

Level to voltage

Level to voltage

B

level to force

level to force

C

Level to displacement

Level to displacement

D

Level to pressure

Level to pressure


Solution:

Correct Answer:

C

Level to displacement

Level to displacement


Question 79

NPSH is used to determine ________.
NPSH (एनपीएसएच) का उपयोग ________ निर्धारित करने के लिए किया जाता है।

Options

A

Pipe diameter

Pipe diameter

B

Thermal expansion

Thermal expansion

C

Friction characteristics

Friction characteristics

D

Cavitation

Cavitation


Solution:

Correct Answer:

D

Cavitation

Cavitation


Question 80

An exothermic reaction takes place in an adiabatic reactor. The product temperature ________ the reactor feed temperature.
एक रुद्धोष्म रिएक्टर में उष्माक्षेपी अभिक्रिया होती है। उत्पाद तापमान, रिएक्टर भरण तापमान के/से ____________ ।

Options

A

may be greater or less than

may be greater or less than

B

is always less than

is always less than

C

is always greater than

is always greater than

D

is always equal to

is always equal to


Solution:

Correct Answer:

C

is always greater than

is always greater than


Question 81

During the suction stroke, the _______ moves left thus creating vacuum in the cylinder.
चूषण चरण के दौरान, _______ बायीं ओर जाता/जाती है जिससे सिलेंडर में निर्वात बनता है।

Options

A

Cylinder

Cylinder

B

Valve

Valve

C

Pump

Pump

D

Piston

Piston


Solution:

Correct Answer:

D

Piston

Piston


Question 82

In Constant Pressure Filtration, ____________.
नियत दाब निस्यंदन में, ____________।

Options

A

rate of filtration decreases with time

rate of filtration decreases with time

B

resistance decreases with time

resistance decreases with time

C

rate of filtration is constant

rate of filtration is constant

D

rate of filtration increases with time

rate of filtration increases with time


Solution:

Correct Answer:

A

rate of filtration decreases with time

rate of filtration decreases with time


Question 83

Which of the following colours is used for radiation hazard?
निम्नलिखित में से कौन-सा रंग विकिरण के खतरे के लिए प्रयोग किया जाता है?

Options

A

Blue

Blue

B

RED

RED

C

White

White

D

Purple

Purple


Solution:

Correct Answer:

D

Purple

Purple


Question 84

The ionization gauge is an instrument used for the measurement of _______.
आयनीकरण प्रमापी (गेज) _______ के मापन के लिए उपयोग किया जाने वाला एक उपकरण है।

Options

A

Medium pressure

Medium pressure

B

very high pressure

very high pressure

C

high pressure

high pressure

D

Very low pressure

Very low pressure


Solution:

Correct Answer:

D

Very low pressure

Very low pressure


Question 85

Arc welding comes under which one of the following welding types?
आर्क वेल्डिंग निम्नलिखित में से किस प्रकार के वेल्डिंग के अंतर्गत आती है?

Options

A

Sheet metal forming

Sheet metal forming

B

Forging

Forging

C

Fusion Welding

Fusion Welding

D

Casting

Casting


Solution:

Correct Answer:

C

Fusion Welding

Fusion Welding


Question 86

Which of the following are drumless once-through steam generators?
निम्नलिखित में से कौन-सा, एक ड्रमरहित एकदा पारगामी भाप जनित्र है?

Options

A

Subcritical steam generators

Subcritical steam generators

B

Marine steam generators

Marine steam generators

C

Supercritical steam generators

Supercritical steam generators

D

Utility steam generators

Utility steam generators


Solution:

Correct Answer:

C

Supercritical steam generators

Supercritical steam generators


Question 87

Which Institute developed the standards for PPE by the requirement of OSHA?
OSHA की आवश्यकता के अनुसार किस संस्थान ने PPE के लिए मानक विकसित किए हैं?

Options

A

American National Standard Institute

American National Standard Institute

B

National Institute of Standards and Technology

National Institute of Standards and Technology

C

Brazilian National Standard Institute

Brazilian National Standard Institute

D

Bureau of Indian Standards

Bureau of Indian Standards


Solution:

Correct Answer:

A

American National Standard Institute

American National Standard Institute


Question 88

In axial flow fans and turbines, fluid enters and leaves as follows.
अक्षीय प्रवाह पंखों और टर्बाइनों में, तरल पदार्थ निम्नानुसार प्रवेश करता है और बाहर जाता है।

Options

A

Radially, axially

Radially, axially

B

Radially, radially

Radially, radially

C

Axially, radially

Axially, radially

D

Axially, axially

Axially, axially


Solution:

Correct Answer:

D

Axially, axially

Axially, axially


Question 89

In a pitot tube, velocity is proportional to _________.
एक पीटो नली में, वेग _________ के आनुपातिक होता है।

Options

A

head developed

head developed

B

inverse of head developed

inverse of head developed

C

square root of head developed

square root of head developed

D

square of head

square of head


Solution:

Correct Answer:

C

square root of head developed

square root of head developed


Question 90

Which of the following types of compressors is employed in Aeroplanes?
निम्न में से किस प्रकार के संपीडक (कम्प्रेसर) का प्रयोग हवाई जहाजों में किया जाता है?

Options

A

Radial flow

Radial flow

B

Axial flow

Axial flow

C

Centrifugal

Centrifugal

D

Combination of above

Combination of above


Solution:

Correct Answer:

B

Axial flow

Axial flow


Question 91

What type of cooling systems is used in large power plants?
बड़े शक्ति संयंत्रों में किस प्रकार की शीतलन प्रणाली का उपयोग किया जाता है?

Options

A

Cooling ponds

Cooling ponds

B

Natural flow system

Natural flow system

C

Single deck system

Single deck system

D

Cooling towers

Cooling towers


Solution:

Correct Answer:

D

Cooling towers

Cooling towers


Question 92

Which of the following is the cheapest filtration equipment?
निम्नलिखित में से कौन-सा सबसे सस्ता निस्यंदन उपकरण है?

Options

A

Membrane filters

Membrane filters

B

Pressure leaf filter press

Pressure leaf filter press

C

Plate and frame filter press

Plate and frame filter press

D

Continuous Rotary Vacuum Filter Press

Continuous Rotary Vacuum Filter Press


Solution:

Correct Answer:

C

Plate and frame filter press

Plate and frame filter press


Question 93

Identify the thermocouple type with the highest temperature limit from those listed here.
यहां सूचीबद्ध तापवैद्युतयुग्म (थर्मोकपल) प्रकारों में से उच्चतम तापमान सीमा वाले प्रकार की पहचान करें।

Options

A

Type S

Type S

B

Type T

Type T

C

Type J

Type J

D

Type K

Type K


Solution:

Correct Answer:

A

Type S

Type S


Question 94

The LMTD correction factor is applied in ________ Heat Exchangers.
LMTD संशोधन गुणक ________ ऊष्मा विनिमयित्रों में लागू किया जाता है।

Options

A

1-1 Concurrent

1-1 Concurrent

B

Finned Tube

Finned Tube

C

All Multipass

All Multipass

D

Double pipe

Double pipe


Solution:

Correct Answer:

C

All Multipass

All Multipass


Question 95

Which one of these thermometers is portable as well as simple to use?
इनमें से कौन-सा थर्मामीटर वहनीय (पोर्टेबल) होने के साथ-साथ उपयोग में आसान भी है?

Options

A

Resistance thermometer

Resistance thermometer

B

Mercury-in-glass thermometer

Mercury-in-glass thermometer

C

Constant-volume gas thermometer

Constant-volume gas thermometer

D

Thermocouple

Thermocouple


Solution:

Correct Answer:

B

Mercury-in-glass thermometer

Mercury-in-glass thermometer


Question 96

Thermal efficiency of steam turbine is _____ than that of steam engine.
भाप (स्टीम) टर्बाइन की तापीय दक्षता एक भाप इंजन की तुलना में _____ होती है।

Options

A

lower

lower

B

same

same

C

higher

higher

D

equal

equal


Solution:

Correct Answer:

C

higher

higher


Question 97

In narrow faced ring type flange, gasket will be placed __________.
संकुचित मुखवाले वलय प्रकार योजक (नैरो फेस्ड रिंग टाइप फ्लेंज) में, गैस्केट को __________ रखा जाएगा।

Options

A

near the outer edges

near the outer edges

B

in the groove

in the groove

C

near the inner edges

near the inner edges

D

away from the groove

away from the groove


Solution:

Correct Answer:

B

in the groove

in the groove


Question 98

Fire is a combination of ___________.
आग, ___________ का एक संयोजन है।

Options

A

fuel, light and oxygen

fuel, light and oxygen

B

fuel, light and nitrogen

fuel, light and nitrogen

C

fuel, heat and oxygen

fuel, heat and oxygen

D

fuel, heat and carbon dioxide

fuel, heat and carbon dioxide


Solution:

Correct Answer:

C

fuel, heat and oxygen

fuel, heat and oxygen


Question 99

The centrifugal pump efficiency is defined as ________.
केन्द्रापसारक पंप दक्षता को ________ के रूप में परिभाषित किया गया है।

Options

A

the product of fluid power to the total power input

the product of fluid power to the total power input

B

the ratio of fluid power to the total power output

the ratio of fluid power to the total power output

C

the product of fluid power to the total power output

the product of fluid power to the total power output

D

the ratio of fluid power to the total power input

the ratio of fluid power to the total power input


Solution:

Correct Answer:

D

the ratio of fluid power to the total power input

the ratio of fluid power to the total power input


Question 100

In water cooling system with pump circulation system, which of the following pumps is used?
पंप परिसंचरण तंत्र वाली जल शीतलन प्रणाली में, निम्नलिखित में से किस पंप का उपयोग किया जाता है?

Options

A

plunger pump

plunger pump

B

Reciprocating pump

Reciprocating pump

C

centrifugal pump

centrifugal pump

D

gear pump

gear pump


Solution:

Correct Answer:

C

centrifugal pump

centrifugal pump


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