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351.
ASSISTANT ENGINEER GROUND WATER DEPARTMENT
56.

03.

Which of the

s fal

(५) Pitting du avitation ೧೮೯೫೬ ೨1: high நரன
(B) Spe speed of a turbine with higher hend is lower
(€) Centrifugal pump is slarted with delivery valve fully closed and axial

with delivery valve fully open

D)

The limiting elivery strokes of a

reciprocating

rting and end of the suction and
of w

(B) 10m
D) 16m

A) Maintain uniform flow rate.... See more

352.
LABORATORY TECHNICAL ASSISTANT MAINTENANCE AND OPERATION OF MARINE ENGINES VHSE
33.

34.

35.

36.

37.

۔88

The coolant used in CI engine cooling system should be :
(A) Acidic (8) Neutral
(C) Alkaline (D) Scale forming

The thermostatic valve in the cooling system 18 1560 10 :
(வி Maintain the engine in the maximum efficient temperature
(18) To cool the engine
(0 To control the engine speed
(D) To by pass the cooling water

Most suitable cooling system for a marine engine is :
See more

353.
PUMP OPERATOR GROUND WATER
56. The ends of stator winding attached to the :
(4) field coil (8) carbon brush
(C) copper brush (D) diodes

57. The charcoal particles of the canister adsorb :
(ക) gasoline vapour (8) nitrogen oxide

(0) carbon monoxide (D) all of this

58. The space required to accommodate the rotating flywheel magneto is :
(A) more ۰ (B) - wider
(C) narrow D) 1688

59. Adjustment of the ignition timing can be done by : _
(A)Vacuumgauge (B) Stop watch.... See more

354.
OPERATOR WATER AUTHORITY


34.

35.

36.

87.

88.

89.

40.

41.

42:

The angle between king pin centre line and vertical in the plane of wheel is called :
(ಹ) Steering axis inclination (B) King pin inclination

(C) Castor (D) Camber

Wear on tyre is more on one side is due to :
(¢) Incorrect camber angle (B) Low tyre pressure

(¢) High tyre pressure (D) Sudden acceleration

Useful power obtaine.... See more

355.
TECHNICIAN GR II BOILER OPERATOR PART I KCMMF LTD


3

17.

18.

19.

20.

ട്‌

22.

23.

24.

Which of these component on the boiler is used to recover the waste heat of the flue gases for
heating feed water?

(ಯ). Super heater (B) Economiser
(൫ Pre heater (D) Fusible plug

Which of these component on the boiler is used to increase the temperature steam above
saturation temperature?

(ಯ) Air pre heater (B) Economiser.... See more

356.
JUNIOR INSTRUCTOR INDUSTRIAL TRAINING
D:-Main jet
Correct Answer:- Option-C
Question39:-In mac pherson-strut suspension system the upper end of the strut is attached to the
A:-Upper arm
B:-Steering knuckle
C:-Vehicle body
D:-King pin
Correct Answer:- Option-C
Question40:-To change reciprocating motion to rotary motion, the engine has
A:-Crankshaft and camshaft
B:-Piston and connecting rod
C:-Camshaft and connecting rod
D:-Connecting rod and crankshaft
Correct Answer:- Option-D
.... See more

357.
JUNIOR INSTRUCTOR MECHANIC DIESEL INDUSTRIAL TRAINING ENGLISH
57.

58,

59,

60,

61,

62,

63,

64,

Which type chisel is suitable for cutting keyway and grooves ?
(A) Diamond point chisel (8) Cape chisel
(ಲ) Flat chisel (D) Half round chisel

The actual power developed in the engine cylinder is called :
(A) BHP (B) FHP (9 Engine power (D) IHP

How to test the short circuit of stator winding of alternator 7

(A) Connect the test lamp in series between eac.... See more

358.
Tracer Grade I Malabar Cements Limited
42.

48.

44.

45.

46.

47.

48.

49.

The law related to transmission of pressure is:
(മ Faraday’s law (3) Pascal’slaw
(© Stevin'slaw (2) None of the above

A bearing shell has a slightly larger arc than bearing housing is called:
(മ Bearing tang {B) Bearing saddle
{C) Bearing crush {D) Bearing spread

In a normally operating engine, intake and exhaust valves are opened by a cam closed by t.... See more

359.
Overseer/ Draftsman (Mechanical) Gr III/ Tracer in Irrigation & Draftsman (Mechanical) in KAMCO Ltd
36.

37.

38.

39.

40.

41.

42.

072/21

The steam engine comes under the category of
A) Internal combustion engine

B) External combustion engine

C) Turbine

D) Compressor

In an Otto engine, the combustion occur at
A) Constant pressure

B) Constant temperature

C) Constant volume

D) Constant heat

In a four stroke IC engine, the number of stroke covered fo.... See more

360.
Meter Reader - Kerala Water
93.

94.

95.

96.

97.

98.

99.

100.

073/21

In hand pump, when the handle lowered, then piston is
A) Upward B) Downward

C) No movement D) None of these

The test applied in sanitary pipe for alignment checking
A) Small Test B) Hydraulic Test
C) Absorption Test D) Ball Test

When sudden closing a valve causes of

A) Air lock B) Frictional loss

C) Water hammer D) Broke.... See more

361.
Junior Instructor (Mechanic Auto Electrical and Electronics)
34.

35.

36.

37.

38.

39.

40.

41.

42.

Type of wheel desirable in racing cars is
A) Magnesium alloy wheel
C) Aluminium alloy wheel

02/23

B) Disc wheel
D) Wire wheel

When loading a vehicle, the load distribution should be

A) More at front wheels
B) More at right wheels
C) More at rear wheels
D) Equal at all wheels

In modern diesel engines pilot injecti.... See more

362.
Motor Mechanic, Tradesman (Automobile Mechanic) - Health Services,
94.

95.

96.

97.

98.

99.

100.

072/23

The Diagnostic Trouble Code starting ‘U1XXX’ indicates

A) Error code related to power train and for government required code

B) Error code related to chassis and for manufacturer specific code

C) Error code related to Body and for government required code

D) Error code related to class 2 network and for manufacturer specific code

As per MV A.... See more

363.
Mechanic
B:-Mis firing
C:-Compression leak
D:-Back firing
Correct Answer:- Option-B
Question34:-The petrol engine has the compression ratio of?
A:-15 to 24
B:-03 to 08
C:-08 to 12
D:-10 to 16
Correct Answer:- Option-C
Question35:-Cam shaft belt drive mechanism is used in the engines of?
A:-Over head cam
B:-Over head valve
C:-Side valve
D:-F-head
Correct Answer:- Option-A
Question36:-The ability of engine oil which is used for the lubrication.... See more

364.
Drilling Assistant (SR for SC/ST)
Correct Answer:- Option-D

Question41:-Where is the thermostat valve fitted in pressurized cooling system?

A:-Water outlet of water pump
B:-Water outlet of water jacket
C:-Water outlet of radiator
D:-Water outlet of cylinder head
Correct Answer:- Option-D

Question42:-Percentage of fuel energy lost to the cylinder walls in an automobile
engine is approximately

A:-10%
B:-30%
C:-45%
D:-60%
Correct Answer:- Option-B

Ques.... See more

365.
JUNIOR INSTRUCTOR
D:-Main jet
Correct Answer:- Option-C
Question39:-In mac pherson-strut suspension system the upper end of the strut is attached to the
A:-Upper arm
B:-Steering knuckle
C:-Vehicle body
D:-King pin
Correct Answer:- Option-C
Question40:-To change reciprocating motion to rotary motion, the engine has
A:-Crankshaft and camshaft
B:-Piston and connecting rod
C:-Camshaft and connecting rod
D:-Connecting rod and crankshaft
Correct Answer:- Option-D
.... See more

366.
Legal Assistant
36. Which of the following circumstances in which a private person may arrest any person?
(A) When a bailable and cognizable offence is committed in his presence
(B) Whena bailable and non cognizable offence is committed in his presence
(C) Whena non bailable and non cognizable offence is committed in his presence

(0) Whena non bailable and cognizable offence is committed in his presence

37. Avyescues B, a person in lawful custody and in doing so causes grievous hur.... See more

367.
ASSISTANT ENGINEER UNITED ELECTRICAL INDUSTRIES LTD
64.

65.

66.

61.

68.

70.

71.

72.

In SI system of units, One tonne of refrigeration is taken as equivalent to :
(A) 210 kJ/min (B) 2100 kJ/min
(Cc) 307 (D) 35 kW

‘Two stroke engines as compared to four stroke engines having same output rating and same
compression ratio have :

(A) Higher overall efficiency (B) Lower mechanical efficiency

(C) Lower thermal efficiency (D) Higher weight to .... See more

368.
TRADESMAN AUTOMOBILE TECHNICAL EDUCATION QUESTION PAPER


7.. ॥ s, power produced at
(வ) each revolution of crankshaft (B) two revolution of crankshaft
(©) four revolution of crankshaft (0) none of the abave

238. ylinder engine hasa cupacity of 1.2 110: ‏۳۰۰۵٣۵۱٣ 3۷۷۲ ۸۵٣“‎ ता तार 2५07
400 ‏اح‎ (B) 400 mm*
(©) 1200008 (D) 1200 mm?
39. The purpose of valve clearance is to
(५) ensure that valye opens fully
(B) allow the valve to expand during h
(೧) ചി .... See more

369.
A/C MECHANIC KTDC
86, An evaporative condenser 18 8

87,

88,

89,

೨0,

91:

92:

(ಹ) 47600160 condenser
(൫) Water cooled condenser

)© Both air and water cooled at the same time

(D) None of these

Approach of a cooling tower is defined as the

(A) difference of dry bulb temperature of surrounding air and temperature of water leaving

the cooling tower.

(B) difference of temperature of water leavi.... See more

370.
REFRIGERATION MECHANIC UIP HEALTH SERVICES
49,

50,

51.

52.

8೩.

54.

85.

56.

HFC 134 A appliance has capillary length when compare to CFC unit :
(ಗಿ) 10% ௦ 20% ஐ (B) 20% short
(0) 50% longer (D) same length

The effectiveness of the cooling tower 18 dependent on :
(ಗ) Dry bulb temperature of the air 18) Direction of the flow of air
(0 “Wet bulb temperature of the air (D) None of the above

Milky white ice obtained if -
.... See more

371.
VOCATIONAL INSTRUCTOR IN MECHANICAL SERVICING AGRO MACHINERY VHSE


വു

53,

88,

86.

ಈ

58.

69.

The refrigerant commonly used in vapour absorption system is :
(A) Water (B) Freon 12
(C) 80% (D) Agqua-ammonia

A electrolux refrigerator is called :
(A) Single fluid absorption system
(0) Twoa fluid absorption system
(0 Three fluid absorption system
0) Four fluid absorption system

Identify the azeotrope refrigerant from the following :

ಯ) .... See more

372.
TRADESMAN REFRIGERATION AND AIR CONDITIONING TECHNICAL EDUCATION
94.

35.

87.

38.

39.

40.

41.

Relay is protection device used in :
(A) Evaporator (B) Compressor
(C) Condenser (D) Thermostat

‘Weak insulation can be checked by :
(5) Ammeter (B) Meggar
(C) Tong tester (D) Line tester

In window type air-conditioners the following expansion device used :
(4) Float valve (B) Thermostatic expansion valve
(0 Capillary tube ∙ (D) Hand valve

Freon 12 ide.... See more

373.
TRADESMAN REFRIGERATION AND AIR CONDITIONING TECHNICAL EDUCATION
67.

68.

69.

70.

7L

72.

78.

74,

The size of 1/2" copper tube is equal to :
(ಗಿ)
(0)

12 mm 8)

14 mm (D)

360 litres refrigerator
ಯ). 1480
(¢) 1/6H.P

compressor 16 used.

(2)
(D)

13 mm

15 mm

1/5H.P
1/81117

The temperature in degree centigrade for human comfort is ட்‌

17
21

If the vacuum level.... See more

374.
LABORATORY TECHNICAL ASSISTANT ECG AND AUDIOMETRIC TECHNICIAN VHSE
86.

87.

88,

89,

40.

41.

42,

48,

In which circulation blood flows from the Right ventricle through the Lungs the left
ventricle?

(മ) Systemic circulation (B) Portal circulation
(0) Pulmonary circulation (D) Coronary circulation

Which electrode is commonly used to record the unipolar chest lead?
(8) Limb electrode (B) Suction cup electrode
(C) Micro electrode (D) Skin surface electrode
<.... See more

375.
LABORATORY TECHNICAL ASSISTANT ECG AND AUDIOMETRIC TECHNICIAN VHSE


3

47.

48.

49.

50.

51.

82.

58.

Which valve connects Right atrium and right ventricle?
(A) Tricuspid Valve (8) Mitral Valve
(C) Semilunar (D) None of these

The number of bones in adult human body :

കു 212 (೫) 206

(©) 202 ⋅ D) 216
Duration of cardiac cycle :

കര 0015 (B) 0.65

(©) 0.108 D) 088

Tachycardia means :
(4) Pulse rate above 60.... See more

376.
ASSISTANT MOTOR VEHICLES INSPECTOR MOTOR VEHICLES


66.

67,

68.

69.

70.

71.

72.

73.

74.

Anti dazzle devices are used in
(A) Starting
(0) Charging

FFV stands for :
(കു Flexi fuel vehicle
(¢) एणा forward vehicle

Schrader valve appears on :
(A) Master cylinder
(0) Wheel assembly

EBDis a
(ക) DBrake assistance

(C) Electronic ignition

Viscous coupling is employed instead 01
See more

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