Related with 'DIESEL MECHANIC' | We found Total 311 Question paper ..!

230/2015

Maximum : 100 marks

Time : 1 hour and 15 minutes

1. The petrol engine is working on :
(A) Constant Pressure Cycle (18) Constant Volume Cycle
(@) Carnot Cycle (D) None of the above

2. The main difference in operation of petrol engine from diesel engine is that :
(ಗಿ) draws air fuel mixture during suction
(ए) draws only air during suction
(C) inlet valve closes during compression
(D) exhaust valve opens during exhaust strok.... See more

50.

51.

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58.

The instrument which is used to measure eurrent voltage and resistance :
(A} Odometer (B) Tachometer
)© Multimeter (D) Galvanometer

The needle valve of carburettor is closed and opened by :
(ಯ) ೫೯166 (0) main petrol jet
(ര throttle valve (0) ‏٤8ہ‎

Which of the following is a temporary fastening method?

(ಗ) screwed jointin.... See more

16.

37:

۔18

19.

20.

21.

22.

23.

Valve rotators are used for :
(ಯ) Rotating the valves on its own axis (B) Reducing the warping of valves

(C) Even wear distribution of valves ൬) All of the above

VTEC stands for :
வ Variable valve Timing Electronic Cam shaft
(ए) Variable valve Timing and lift Electronic control
(C) Valve Timing Electrical Cam shaft
(D) None of the above

M.... See more

39,

40.

41.

42.

48.

44.

45.

46.

47.

Mechanieal fuel pumps are operated by :
(ಗಿ) Cam in the cam shaft
(C) Skew gear in the cam shaft

Taper needle jet is found in :
(A) Solex carburettor
(C) Zenith earburettor

Generally turbo charger is operated by :

08
(D)

(0)
തു

(ക) A belt driven by the engine crank shaft

(B) A gear attached to .... See more



66. To reduce the vibration and for steability of a vehicle :
(ക) Higher unsprung weight is desired
(8) Suspension spring of high frequency can be used
(0 Lower unsprung weight is desired
(D) Lower body weight is desired

67. Stroke length is equal to :
(^) Double the crank throw (13) Same as the crank throw
(C) Half of crank throw (D) Three times the crank throw

68, Which is not true with respect to Disc brakes?
(ಗಿ) Uniform wear (B).... See more

58.

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66.

66.

67.

Aut-collimator is used for measurement of :
ക) small angular differences
(C) concavity

(8)
D)

flatness

roughness of the surface

Which of the following is the most important characteristic of a measuring instrument?

(ಗೆ) precision

(C) sensitivity

For a strain gauge, high gauge factor resul.... See more

10.

11.

12,

13.

14.

15.

The automobile engines crank shaft is made of :
(A) Cast steel (2) Castiron
(C) Torged steel 10) High carbon steel

The main function of the ignition condenser is :
(2) increasing contact arching of terminals
(ए) reduces primary spark
(0) reduces secondary spark
(12) reduces arcing at the contacts

The angle between the central line of the king-pin and vertical line is called :.... See more



ا الس

17.

18.

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23:

94.

25.

The type of starter motor employed in automobile vehicle 1s the :
(^) Compound motor (ए) Shunt wound motor
( Series wound motor (D) Induction motor

1f the brake efficiency of a vehicle is 72%, then the braking quality is said to be :

(A) Fair (B) Poor
(( Good (D) Very good
The slip joint permits a change in the :See more

26.

27.

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31,

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33.

34

The main advantage of synchronising unit is :
(ಗ) Makes gear changing easy and minimizes मऽ
(B) High mechanical efficiency
(C) High noise level
(D) None of these

The fundamental operating principle of alternators :
(A) . Electromagnetic induction (18 Electromagnetic pressure
(0) Pascal’s law (1) Fleming's law

The ignition quality of.... See more

62.

63

64.

87.

68.

69.

The refrigeration system ೧? ೧ passenger aircraft works on reversed :
(2) Brayton Cycle (B) Atkinson cycle
{C) Ericson cycle (D) Carnot cycle

During which component of vapour compression refrigeration system, the enthalpy remains
Constant :

(ಗೆ) Evaporator (B) Compressor
(3) Throttle Valve (D) None
One tone of refrigeration is equal to :
(ಯ) 35kW B) 5kW
00 ۷ - (D) .... See more

58.

58.

60,

61,

62,

64.

65.

Who introduced Human Development Index?

(^) UNICEF (B) World Bank

(೧) IMF (D) UNDP
Administered Price Mechanism (APM) for Petroleum and Diesel was abolished with effect
from :

(^) April 1,2002 (B) April 1,2003

(¢) April 1,2004 (D) ക്ഷി 1,2005

The rate at which the RBI borrows from the banks is called :
(A) Reverse Ripo Rate (B) Ripo RateSee more

27.

31.

32:

Diesel knock happens when :

(A) Ignition delay period increases (B) Ignition delay period decreases
(C) C.Ris high (D) None of these
Common fuel supply system in two-wheeler is :
(A) Pressure (B) Pump
(0 Gravity (D) Vaccum

Stoichiometric mixture of petrol engine at its ideal condition is :

(ക) 1 (B)
(©) 1 (7)

The drive for mechanical fuel pump is taken from :

(A) Cam shaft (B)

(C) .... See more

85. What is the ratio between two sides of the drawing sheet?

ல 12 B 3:48
(ഒ: 1: ™ 1:43
86. fIgnition system are not required for ———————— engine.
ல ணே (B) Diesel
(©) Petrol (D) None of these

87. Identify the characteristics of flexible hack-saw blade :
(A) Full width hardened (B) Except pin hole hardened
(ര Only teeth are hardened (D) Nao portion hardened

88. Copper is used for soldering iron because :
(4) Its.... See more

62.

~]
=

84,

86,

57.

18,

59.

60.

Weak link effect is a term concerned with :
{A) Strength test By Drape test

() Fwvenness test (12) Fineness test

The loom parts Duck bill and hitter found in :
(ಸ) Warp eaging motion (B) Let-off motion

((1) Fast reed motion (D) Loose reed motion

The fall in surface speed of top rubher cavered roller when the material passing between top
an.... See more

34.

30

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Manufacturing Account is prepared ‏انه ود ما‎
(^) Caost of goods sold (B) Cost of good produced
(രല) Net profit (12) Work in progress

The amount paid to an author for the use of copy right is called

(^) Minimum rent (B) Commission (ಬ) Patent (12) Royalty

refer to the amount spent on fuel, coal, diesel and freshwater used for the p.... See more

43. The most accurate ignition system of a spark ignition ब is ¢
(A) Magneto system
(8) Battery switch
(9) Electronics control unit system
(D) Magneto and Electronic system

44. Which of the following bulb in a car will have the least wattage ?
(ക) Head light bulb (B) Stop light bulb
(C) Parking light bulb (2) Ignition warning bulb

45. In Diesel engine the duration between the time of injuction and the time of ignition is
called :

(A) Sp.... See more

16.

17.

18,

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22,

23.

‎bit iz used for നള large. deep holes for bolts ete in hard woods.‏ سسسب
‎(ക Nail bit (18) Auger bit‏
‎Expansion bit (D) TForstner bit‏ )0(

‎plane has its cutting iron set at 70° to 80° to its sole.
(ക) Trying plane (B) Smoothing plane

‎(£) Toothing plane (7) Jack plane

‎Glue is a chemical extract from the curds of skimmed.... See more

6:21
D:-25
Correct Answer:- Option-C

Question46:-If 'P' is the Ratio of inside to outside diameter of a shaft, the ratio of torque camrying capacity of solid shaft to
that of hollow shaft is given by
५ (124) (-1)
‏بيعم‎
‎)
‎0: 0/௫
Correct Answer:- Option-A
Question47:-Angle of helix in a closed coiled spring is
A:-<100
B:->100
C:-=100
D:-None
Correct Answer:- Option-A
Question48:-For the same maximum pressure an.... See more

D:-alkylation
Correct Answer:- Option-B

Question74:-One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed
by carbonation of the resulting solution. The pumpose of this step is to

A:-adjust the pH of the syrup
B:-remove the colouring matter from the syrup
C:-reduce the viscosity of the syrup
D:-improve the rate of crystallization of sugar
Correct Answer:- Option-A
Question75:-Which of the foll.... See more

نت
‎D:-Zinc‏
‎Correct Answer:- Option-D‏
‎Question68:-A solvent commonly used in oil paint is‏
‎A:-Petrol‏
‎B:-Diesel‏
‎C:-Turpentine‏
‎D:-Kerosene‏
‎Correct Answer:- Option-C‏
5ج ‎Question69:-The road portion used by vehicular traffic is known‏
‎A:-Foot path‏
‎B:-Motor way‏
‎C:-Express way‏
‎D:-Carmiage way‏
‎Correct Answer:- Option-D‏
‎Question70:-2.205 pounds is equal to ki.... See more

A:-Baby filter
B:-Secondary filter
C:-Primary filter
D:-All of these
Correct Answer:- Option-C
Question39:-Which one of the following is a cylinder head gasket material?
A:-Felcoprene
B:-Felcoid
C:-Cord
D:-Shimbestose
Correct Answer:- Option-D
Question40:-The ability of engine bearings to accommodates small variation in shaft is its
A:-Embadability
B:-Conformability
C:-Adaptability
D:-Fatigue strength
Correct Answer:- Option-B
Q.... See more

A:-Diesel knock
B:-Detonation
C:-Both (1) and (2)
D:-Controlled combustion
Correct Answer:- Option-A
Question88:-Which one of the following is not a part of cover assembly in a clutch?
A:-Pressure plate
B:-Release lever
C:-Release bearing
D:-Springs
Correct Answer:- Option-C
Question89:-Free wheel unit in the transmission are provided with dog clutch to
A:-Lock free wheel
B:-Engage free wheel
C:-Disengage free wheel
D:-None of these
See more

C:-Ohm meter
D:-Ohm/cm square
Correct Answer:- Option-C

Question90:-Three equal resistors are connected in series across an emf source, dissipate 60 W of power. What is the power
dissipated if the same resistors are connected in parallel 7

A:-270
B:-60
C:-20
D:-180
Correct Answer:- Option-B
Question91:-The main constituents of a Portland Cement is
கர்‌
B:-Alumina
C:-Iron Oxide
D:-Alkalies
Correct Answer:- Option-A
.... See more

Question48:-A measure of the ship's capacity

A:-Tonnage

B:-Weightage

C:-Load capacity

D:-None of these

Correct Answer:- Option-A
Question49:-Man made structures which facilitate the attraction and aggregation on fish

:-Fish finding devices

ish aggregation devices

C:-Fish saving devices

D:-Fish accumulating devices

Correct Answer:- Option-B
Question50:-Outward survature of the hull surface above wate.... See more

C:-Endemic
D:-Vulnerable
Correct Answer:- Option-C
Question67:-Which of the following is an example of rare species 7
A:-Blackbuck
B:-Blue sheep
C:-Mithun
D:-Hombill
Correct Answer:- Option-D
Question68:-Which of the following is not treated under in situ conservation 7
A:-National park
B:-Botanical garden
C:-Wildlife sanctuary
D:-Biosphere reserve
Correct Answer:- Option-B
Question69:-Which is not a freshwater lake in India 7
A:-Sa.... See more

Az-reflux valve

B:-air valve

C:-scour valve

D:-sluice valve

Correct Answer:- Option-A
Question49:-The liquid waste of the community is called

A:sullage

B:-sewage

C:-garbage

D:-storm water

Correct Answer:- Option-B
Question50:-Sanitary sewage is also known as

A:-storm water flow

B:-domestic flow

C:-dry weather flow

D:-combined sewage flow

Correct Answer:- Option-C<.... See more