DIESEL MECHANIC Kerala PSC Previous Question & Answers

26.

STATION OFFICER TRAINEE FIRE AND RESCUE SERVICES

80/2015

e

Maximum : 100 marks
Time : 1 hour and 15 minutes

When a cylinder is twisted, the ‘internal couple of forces developed within it due 0 elasticity

18 called :

(A) elastic couple 18) twisting couple

(C) torsional couple (12) none of these

In a diesel engine the warking substance is :
(^) Mixture of diesel vapour and air (13) Diesel vapour
യ ‏چتھ‎ (D} Petrol

When a charged particle moves through .... See more

27.

ASSISTANT ENGINEER SR FOR PH KERALA WATER AUTHORITY

A:-Bengaluru
B:-Hyderabad
C:-Secunderabad
D:-Puducherry
Correct Answer:- Option-B
Question19:-In which city Anne Frank write her famous diary 7
A:-Utrecht
B:-The Hague
C:-Rotterdam
D:-Amsterdam
Correct Answer:- Option-D
Question20:-Herself : Gender and Early Writings of Malayalee Women is written by
A:K. Saradamoni
B:-Janaki Nair
C:J. Devika
D:-G. Arunima
Correct Answer:- Option-C
Question21:-A reversible heat engine receives 30.... See more

28.

Technical Assistant - Kerala Agro Machinery Corporation

42. The fluid coupling is most efficient as drive ratio approaching to:
(A) 3:1 (B) 1:3
(0) 1:6:1 () 1:1

43. Name the driving member of a torque converter:
(A) _ stator ൯) 0/66 wheel
(C) turbine ൯൩) impeller

44. What is two leading shoe in brake system?
(A) 101൩ shoe expand in the direction of the rotation of the drum
(B) both shoe against the direction of the rotation of the drum
(C) leading shoe expands on the direction of the rotation of t.... See more

29.

Pump Operator

019/23

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91.

In a Diesel fuel injection pump, the effective pressure strokes of the plungers are
regulated by means of a
A) Fuel pump B) Cam shaft C) Needle valve D) Control rack

Which action the spindle only move up and down in feed pump ?
A) Partial action B) Idling action

C) Normal action D) Pumping action

Cetane number of a Diesel fuel.... See more

30.

Motor Mechanic, Tradesman (Automobile Mechanic) - Health Services,

072/23

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Which tool is used to make internal thread ?
A) Tap and wrench B) Die and die stock
C) Reamer D) Lapping plate

. Which statement is wrong ?

i. 2 stroke engine makes power every 360° of rotation.
ii. 4 stroke engine makes power every 240° of rotation.

iii. Glow plug is related to MPFI engine.

iv. 4 cylinder diesel engine has 12 V electrical system.
See more

31.

Motor Mechanic, Tradesman (Automobile Mechanic) - Health Services,

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36.

072/23

Excessive tappet clearance will effect

i. Valve lag

ii. Noise in operation

ii. Reduce swept volume

iv. Charge leakage

A) both iii and iv B) both i and ii
C) both ii and iv D) ii only

Which statement is correct ?
i. Oil pump is driven by compressed air.
ii. Water pump is driven by engine pulley.
iii. Cooling f.... See more

32.

Lecturer in Electrical and Electronics Engineering TechnicalEducation (Polytechnics)

13.

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19.

Portion of a brick obtained by cutting a brick length-wise into two portions is termed as :
(^) Closer (B) Queen closer
(C) King closer (D)_ Brick bat
An offset is laid out at 30° from its true direction on the field. Find the resulting

displacement of the plotted point on the paper in a direction parallel to the chain line given
that the length of the offset is 25 m and the scale.... See more

33.

Motor Mechanic/ Store Assistant

218/23

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Which of the following statements are true about valve overlap ?
Statement 1 : Valve overlap helps in scavenging of exhaust gases.

Statement 2 : Valve overlap is the number of degrees of camshaft rotation during
both valves are open.

A) Both Statements are correct B) Both Statements are incorrect

C) Only Statement 1 is correct D) Only Statement 2 is correc.... See more

34.

Mechanic

A:-Radiator
B:-Filler cap
C:-Coolant pump
D:-Thermostat valve
Correct Answer:- Option-D
Question40:-Exhaust manifolds of the I.C. engines are made with?
A:-Aluminium
B:-Steel
C:-Cast iron
D:-Zinc
Correct Answer:- Option-C
Question41:-Heavy duty Diesel engines are equipped with the air cleaner of?
A:-Dry type
B:-Oil bath type
C:-Pre type
D:-Turbulent type
Correct Answer:- Option-B
Question42:-The function of turbocharger in I.C. .... See more

35.

Lecturer in Automobile Engineering

A:-10mg/100mI of blood
B:-30mg/100mI of blood
C:-50mg/100mI of blood
D:-80mg/100mI of blood
Correct Answer:- Option-B

Question88:-Which of the following is an advantage of using Automatic Guided
vehicles (AGVs)?

A:-Increased productivity and efficiency
B:-Reduced operational costs
C:-Enhanced workplace safety

D:-All of the above

Correct Answer:- Option-D

Question89:-What is the most probable cause for the fluctuation betwee.... See more

36.

Tractor Driver

Question62:-The step bore wheel cylinder, uses two rubber cups of
A:-Equal diameters
B:-One cup is larger dia and another is smaller meters
C:-Both the cups are of larger diameters
D:-Both the cups are smaller diameters
Correct Answer:- Option-B

Question63:-The angle between centre line of king pin and a vertical line from
centre point of tyre is called

A:-Camber angle
B:-Caster angle
C:-Toe out angle on turns
D:-Kingpin inclination
Corre.... See more

37.

Drilling Assistant (SR for SC/ST)

B:-At the end of compression stroke
C:-Beginning of suction stroke
D:-Beginning of compression stroke
Correct Answer:- Option-B
Question64:-Which of the following character is the ability of the fuel to evaporate?
A:-Viscosity
B:-Octane number
C:-Volatility
D:-Cetane number
Correct Answer:- Option-C

Question65:-Why is there a vent hole provided either in filler neck or cap in an
engine fuel tank?

A:-To maintain diesel level

B:-To.... See more

38.

DRAFTMAN GR II MECHANICAL PORT DPT

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In a riveted joint the tensile, shearing and crushing stresses are based on the :
(ಹಿ) Material size

(8) Diameter of rivet

(ಲ) Mean of the diameter of rivet and drilled hole

(D) Diameter of drilled hole

A welded joint as compared to riveted joint, has :
(5) ல ண்ண (3) More strength
(ಲ) Equal strength (D) Comparisons not requiredSee more

39.

WORK ASSISTANT NCA KSRTC

219/2015

6.

7

Maximum : 100 marks

Time : 1 hour and 156 minutes

The engine runs in a closed garage can be dangerous because :

(வ The exhaust gas contains carbon monoxide

(B) The exhaust gas contains carbon dioxide

(¢) The exhaust gas contains water vapour

(D) The exhaust gas may catch fire
Which of the following should not be done by a good mechanic?

(ಗ) Put sharp edged tools in the pocket

See more

40.

MOTOR MECHANIC/STORE ASSISTANT GROUND WATER

282/2015

6.

Maximum : 100 marks

Time : 1 hour and 15 minutes

Before a mechanic get under a vehicle he should make sure that :
(ಗ) The tyres are inflated (0) He use a ereeper
(C) 'The jack handle is down (D) The vehicle is on safety stands

In automobile servicing concept what is meant by ‘Tear down
(ക Adjusting (B) Disassembling
(C) Reassembling (D) Machining

Which is most suitable to check spark plug gap?
.... See more

41.

JUNIOR INSTRUCTOR MECHANIC MEDICAL ELECTRONICS INDUSTRIAL TRAINING

FINAL ANSWER KEY

Question Paper Code: 23/2017/0L

Category Code: 017/2016

Exam: Junior Instructor Mechanic Medical Electronics
Medium of Question: English

Date of Test 22-03-2017

Department Industrial Training

Alphacode A

Question1:-Gulmarg is a hill station in
A:-Himachal Pradesh
B:-Maharashtra
C:-Jammu and Kashmir
D:-Tamil Nadu
Correct Answer:- Option-C
Question2:-In India, which coast receives rainfall f.... See more

42.

JUNIOR INSTRUCTOR MECHANIC MOTOR VEHICLE INDUSTRIAL TRAINING DEPT

FINAL ANSWER KEY

Question Paper Code: 40/2017/0L

Category Code: 240/2016

Exam: Junior Instructor mechanic Motor Vehicle
Medium of Question: English

Date of Test 19-05-2017

Department Industrial Training

Alphacode A

Question1:-The first mass movement started by 5300 India
A:-Quit India
B:-Non-co-operation
C:-Satyagraha
D:-Civil Disobedience
Correct Answer:- Option-B
Question2:-The Tebhaya movement started i.... See more

43.

JUNIOR INSTRUCTOR MECHANIC MOTOR VEHICLE INDUSTRIAL TRAINING DEPT

44.

JUNIOR INSTRUCTOR MECHANIC MEDICAL ELECTRONICS INDUSTRIAL TRAINING

45.

JUNIOR INSTRUCTOR ELECTRONIC MECHANIC

FINAL ANSWER

Question Paper Code:
Category Code:
Exam:
Medium of Question:
Date of Test
Department
Alphacode
Question1:-Who repealed the vemacular press act?
A:-Lord Litton
B:-Lord Ripon
C:-Lord Wellesley
D:-Lord Mount Batten
Correct Answer:- Option-B
Question2:-The pioneer of Indian Communism is
A:-P.C. Ray
B:-B.G. Tilak
C:-Bipan Chandra Pal
D:-M.N. Roy
Correct Answer:- Option-D
Question3:-'Kanya Van Samrudhi Y.... See more

46.

JUNIOR INSTRUCTOR ELECTRONIC MECHANIC INDUSTRIAL TRAINING

PROVISIONAL ANSWER KEY

Question Paper Code:
Category Code:
Exam:
Medium of Question:
Date of Test
Department
Alphacode
Question1:-Who repealed the vemacular press act?
A:-Lord Litton
B:-Lord Ripon
C:-Lord Wellesley
D:-Lord Mount Batten
Correct Answer:- Option-B
Question2:-The pioneer of Indian Communism is
A:-P.C. Ray
B:-B.G. Tilak
C:-Bipan Chandra Pal
D:-M.N. Roy
Correct Answer:- Option-D
Question3:-'Kanya Van .... See more

47.

DENTAL MECHANIC MEDICAL EDUCATION

PROVISIONAL ANSWER KEY

Question Paper Code: 58/2019/0L
Category Code: 015/2019

Exam: Dental Mechanic
Medium of Question: English

Date of Test 03-12-2019
Department Medical education
Alphacode A

Question1:-The primary denture support area for a mandibular complete denture is
A:-The crest of the ridge
B:-Buccal shelf चावे
C:-Mylohyoid ridge
D:-Retromolar pad
Correct Answer:- Option-B
Question2:-Two or more parallel.... See more

48.

Jr Instructor (Mechanic Consumer Electronic Appliances) Industrial Training Dept (CAT NO 595/2017)

PROVISIONAL ANSWER KEY

Question Paper Code: 62/2019/0L
Category Code: 595/2017
Exam: Jr Instructor (Mechanic Consumer Electronic
Appliances)
Medium of Question: English
Date of Test 11-12-2019
Department Industrial Training
Alphacode A
Question1:-The capacity of a battery is expressed in

A:-Amperes

B:-Ampere-hour

C:-Watts

D:-Watt-hour

Correct Answer:- Option-B
Question2:-Speed of a universal motor is
A:.... See more

49.

Junior Instructor Lift and Escalator Mechanic Industrial Training Department

FINAL ANSWER KEY

Question Paper Code: 3/2020/0L
Category Code: 095/2018
Exam: Junior Instructor-Lift and Escalator Mechanic
Medium of Question: English
Date of Test 22-01-2020
Department Industrial Training Department
Alphacode A
Question1:-The tool used for marking and testing of angles 90°
A:-Try-square
B:-Mitre square

C:-Bevel square
D:-Straight edge
Correct Answer:- Option-A
Question2:-Why rotatable bevels are used in dial in.... See more

50.

Refrigeration Mechanic (HER) - Health Services

PROVISIONAL ANSWER KEY

Question Paper 6०८९; 14/2020/0L
Category Code: 223/2017

Exam: Refrigeration Mechanic (HER)
Date of Test 22-09-2020

Department Health Services

Alphacode A

Question2:-Day after tomorrow is Friday, then what is the previous day of today 7
Acfriday
B:-Wednesday
1
மயக்க
டட Option-C
Question2:-If TOP is coded as POT, then TABLE is coded as
AcElbat
B:-Batle
८२०
D.... See more

51.

Technician Grade II (Refrigeration Mechanic) - Kerala Cooperative Milk Marketing Federation Limited

PROVISIONAL ANSWER KEY

Question Paper 6०८९; = 73/2022/0L
Category Code: 0೩4/2022

Exam: Technician Grade I (Refrigeration Mechanic)

Date of Test 31-08-2022

Department Kerala Cooperative Milk Marketing Federation Limited
Alphacode A

Questiond:-Which extinguishes the fire of flammable liquids 7
ட்ட
0
[
0:01
டட Option-C
Question2:-The best way of avoiding accidents is by
‘AcDoing work in ancient way<.... See more

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