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

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The function of lubrication system is to :
(ക) Provide cooling effect (B) Provide sealing effect

(८) Reduce wear (0) All of the abeve

Which one of the following pump is not used for engine lubrication 7

(५५) Gear type (B) Vane type (0) Impeller type (D) ↴∥∏⊑⊡ type

Feed pumps in diesel engines are generally mounted in between :
(ಗಿ) Tank and filter (8) FI.... See more

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In battery less conventional ignition system, ‏عط‎ current generates and supplies for the
primary winding of ignition system by :

(A) Alternator (B) Magneto

(C) Dynamo (D) 894
How many high tension leads are there in a distributor cap for a twin eylinder four stroke
engine with a spark plug in each cylinder?

@ 1 8) 2

0 4 @ 3

Which .... See more

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In the Hole basis system which one of the following represents a press fit?
(^) ೫7/6 © 7
(C) 7 യ 7 6

Which of the following is true in the case of a diesel engine?
(ക) Indicated thermal efficiency is always lower than the bralke thermal efficiency
(B) Indicated thermal efficiency does not increase as brake power increases
(C) Indicated thermal .... See more

Correct Answer:- Option-A
Question58:-The length variation between leaf spring eyes by the oscillation of leaves are accommodate with the help of
A:-Centre bolt
B:-Shackle
பு ‏ما‎
‎D:-Bracket
‎Correct Answer:- Option-B
Question59:-Which among the following is a disadvantages of hypoid gear using in final drive?
A:-Low chassis height
B:-Smaller pitch overlap
C:-Rough running
D:-Less ground clearance
Correct Answer:- Option-D
Questi.... See more

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The CB point gap is measured by using :
(ಹ) Micrometer (8) Caliper (ಲ) Pitch gauge (D) Feeler gauge

The most effective air cleaner for diesel engine is :
(ಹ) Wet type air cleaner (8) Dry type air cleaner
(ಲ) Water bath air cleaner 0) bath air cleaner

The most commonly used car heater is :
(^) Diesel type (8) Petrol type (ಲ) Hot water typ.... See more

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The relationship between resistance, current, and voltage can be expressed in the form of an
equation known as :

(മ) Charle’s Law (8) Faraday's Law (ಲ) Flemming's Law (D) Ohm’s Law

Most of the multi speed gear boxes contains :
(A) 3 shaft (B) 4 shaft )© 2 shaft (D) 5 shaft

Brake fluid is a mixture of :
(മ) Grease and diesel (8) Petr.... See more

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போக்குவரத்து சாலையில்‌ சிகப்பு விளக்கு எரிந்தால்‌...
(ಹ) வேகத்தைக்‌ குறைத்து, ஒலி எழுப்பி, சாலையைக்‌ கடக்கவும்‌.
B) வலது பக்கத்திலிருந்து வரும்‌ வாகனங்களுக�.... See more

Correct Answer:- Option-D
Question29:-The function of fly wheel is
A:-Smoothen the power flow
B:-Serve as the part of the clutch
C:-For starting purpose
D:-All of the above
Correct Answer:- Option-D
Question30:-Excessive end play of the crank shaft is prevented by using
A:-Sleeve bearing
B:-Thrust bearing
C:-Shaft journal
D:-Fly wheel
Correct Answer:- Option-B
Question31:-The throttle position sensor can be checked by
A:-A digital voltmeter.... See more

C:-Float and needle valve
D:-Pressure regulator
Correct Answer:- Option-C
Question49:-Which components help to control body roll when comering or driving rough road.
A:-Sway bar
B:-Lower control arm
C:-Upper control am
D:-King pin
Correct Answer:- Option-A
Question50:-Any short circuit in the armature winding tested with
A:-Multimeter
B:-Ammeter
C:-Voltmeter
D:-Growler
Correct Answer:- Option-D
Question51:-Out of round brake drums cause.... See more

Correct Answer:- Option-A
Question58:-The length variation between leaf spring eyes by the oscillation of leaves are accommodate with the help of
A:-Centre bolt
B:-Shackle
பு ‏ما‎
‎D:-Bracket
‎Correct Answer:- Option-B
Question59:-Which among the following is a disadvantages of hypoid gear using in final drive?
A:-Low chassis height
B:-Smaller pitch overlap
C:-Rough running
D:-Less ground clearance
Correct Answer:- Option-D
Questi.... See more

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Which tool is used to mark large circles in sheet metal work ?
(A) Divider (8) Scriber (ಲ) Trammel (D) Surface gauge

Which heat treatment process metal cools slowly in the furnace ?
(5) Normalizing (8) Tempering (ಲ) Hardening (D) Annealing

In actual valve timing the inlet valve close :
(ಹ) AtBDC ൫ Before BDC = (©) After BDC (D) After TDC

Cast iro.... See more

C:-Asbestos
D:-Ceramic
Correct Answer:- Option-B
Question68:-Epoxy compound used with underground cable does not need
A:-Heating
B:-Armouring
C:-Insulation
D:-Core
Correct Answer:- Option-A
Question69:-The chemical used in breather is
A:-Copper sulphate
B:-Sodium chloride
C:-Silica gel
D:-Potassium chloride
Correct Answer:- Option-C
Question70:-Graphite is used in nuclear power plant as a
കല
B:-Coolant
C:-Electrode
D.... See more

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A right regular hexagonal prism in resting on HP on its base, its top view is a.
{A) square {B) hexagon
{C) rectangle (D) pentagon

The following is the method for development of a sphere:
{A) Parallel line method (8) Triangulation method
(0 Radial line method യ) Approximate method

The Length : Width in case of an arrow head is:

Ay 11 (8.... See more

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100. In diesel engine fuel feed pump is mounted on:

Distributor type F.LP is also called as:

{A) In-line pump

(೮0) Low pressure pump

Hand priming device is useful when:
{A) The engine is at full speed
€) The engine is at full load

Secondary filter in a diesel engine is:
வி Amust

08
0)

0)


Rotary pump

Servo pump

T.... See more

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Indicated Horse Power (IHP) of an engine :

27 PmLAN

(&) 4500 ൫ 4500 * K,
27 PmLAN

© 2500 XK ೧) 4500

Compression ratio of diesel engines are approximately
‏(ھ)‎ 1 © 1
(© 1 (೧) 1

In diesel engines,
(A) Ignition takes place at constant pressure and heat rejected at constant volume
(B) Ignition take place at constant volume and heat.... See more

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005/2020 10

In two stage filter system, the material used as secondary filter is
(ಹಿ) wire mesh (B) cloth
(C) paper (D) nylon

The timing and quantity of the fuel sprayed is controlled by
(ಹ) rotating plunger (B) rotating barrel
(C) the govemor (D) priming pump

The process of testing the pump for the accuracy of their supplying fuel at correctSee more

C:-Power used in suction and exhaust stroke
D:-None of the above
Correct Answer:- Option-C
Question49:-Thermal efficiency of 2-stroke engine compared to a 4-stroke engine is
A:-More
B:-Less
C:-Equal
D:-None of the above
Correct Answer:- Option-B
Question50:-The compression ratio of a diesel engine compared to petrol engine is
A:-More
B:-Less
C:-Equal
D:-None of the above
Correct Answer:- Option-A
Question51:-For the same compression rat.... See more

C:-Power used in suction and exhaust stroke
D:-None of the above
Correct Answer:- Option-C
Question49:-Thermal efficiency of 2-stroke engine compared to a 4-stroke engine is
A:-More
B:-Less
C:-Equal
D:-None of the above
Correct Answer:- Option-B
Question50:-The compression ratio of a diesel engine compared to petrol engine is
A:-More
B:-Less
C:-Equal
D:-None of the above
Correct Answer:- Option-A
Question51:-For the same compression rat.... See more

57. —————— are provided in the clutch smooth engagement.

(A) Coil spring (ए) Cauhion spring

(C) Torsion spring (D) Spring basic dise
58. A ring gear is provided around the engine flywheel :

(A) To start the engine using self starter (B) To operate the valves

(C) To maintain better engine speed (D) To maintain the water pump speed
69. ————seerves to adjust the length of the propeller shaft when demanded by the rear

axle mo.... See more

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What is the equation for Frictional Horse Power (FHP) ?

A) IHP - BHP B) IHP + BHP
C) IHP/BHP D) IHP x BHP

Which of the following quality determine burning property of diesel fuel ?
A) Viscosity B) Volume

C) Octane number D) Cetane number

The clearance volume is 10 cc and the swept volume is 90 cc, what is the compression
ratio ?See more

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Which circuit the ballast resistor is used ?
(^) Horn circuit (B) Wiper circuit
(C) Flasher circuit (D) Headlamp circuit

Which of the following is true about the thermodynamic cycle of a diesel engine ?
(A) Constant volume cycle (B) Constant pressure cycle
(C) Atkinson cycle (D) None of these

What is the range of compression pressure of a typical petrol engine ?
(A) 9080 15051 (8) .... See more

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If a motor cycle is found driven by a juvenile with the knowledge of the

guardian / owner, பட

(A) The guardian / owner shall be punishable with imprisonment for a term which may
be extended to three years

(B) The guardian / owner shall be liable to remit the fine of Rs. 25000/-

(C) The registration certificate of the vehicle shall be suspended temporarily

(D) All of .... See more

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Which of the following statement(s) is/are not correct regarding ABS brake system ?
1. It retains directional stability of vehicle.

Il. It prevents wheel lock up during panic braking.

Ill. Increase split surface braking effect.

A) | 8) ॥ C) Ill 0 || 876 ||

Choose the correct statement(s) regarding Engine braking.
i. Slowing the engi.... See more

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074/23

What is the rake angle of cutting teeth in a normal type machine tap ?
A) 12 Degree B) 4 Degree
C) 20 Degree D) 2 Degree

What is the volumetric efficiency of a piston type motor ?
A) 85% B) 50% C) 75% D) 95%

Which material is used for making hand taps ?
A) High speed steel B) Medium carbon steel
C) Mild steel D) Brass

.... See more

074/23

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Four stroke turbo charged engines having number of cylinder 4 and above will require
exhaust

A) Cooling B) Heating C) Mapping D) Grouping

Which one of the following method adopted commonly for starting the Marine Diesel

engine ?
A) Kick starting B) Cartridge type starting
C) Compressed air D) Compressed oil

Which instrument is used to find the.... See more

074/23

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Growler test is conducted on
A) Starting Motor B) Cut out Relay
C) Battery D) Flasher unit

Automotive starting motors are
A) Series wound B) Series shunt wound
C) Shunt wound D) Both A) and B)

In a D.C. Generator magnetic field is produced in the
A) Armature B) Commutator
C) Carbon Brushes D) Stater

In a starter motor the field.... See more