| Post Name | LABORATORY TECHNICAL ASSISTANT |
|---|---|
| Department | MAINTANANCE AND REPAIRS OF TWO WHEELERS AND THREE WHEELERS - VHSE |
| Question Paper Code | 230/2015 |
| Date of Test | 15 December 2015 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
The petrol engine is working on :
Answer
B. Constant Volume Cycle
|
2
The main difference in operation of petrol engine from diesel engine is that : |
Answer
A. draws air fue] mixture during suction
3
If a single cylinder engine produce a power in each rotation of crank shaft, then the
engine 15 a:
Answer
B. 2 -stroke engine
4
The antiknocking properties of petrol is expressed in :
Answer
D. Octane number
5
The number of crank pin in the crank shaft of a V-type engine is :
Answer
C. equal to half of number of cylinder
6
The size of flywheel used in single cylinder 4—stroke engine compared to a flywheel of the
single cylinder 2—-stroke engine of same capacity 1s :
Answer
A. larger
7
Which of the following compound is added to petrol to improve it’s anti knocking property?
Answer
D. Tetra ethyl lead
A 3
[P.T.O.]
8
Diaphragm type mechanical fuel pump is driven by :
Answer
C. Camshaft eccentric
9
Ifthe engine is continues to running after the ignition switch is turned off is called :
Answer
A. Dieseling
10
‘The component of battery coil ignition system which convert battery voltage into breakdown
voltage is called : |
Answer
B. Ignition coil
11
The mechanism which uses fly weights to advance spark in the engine cylinder is :
Answer
B. Centrifugal advance mechanism
12
The location of exhaust port and transfer port of a two stroke engine which carries out loop
flow scavenging is: '
|
Answer
A. at opposite sides of cylinder
13
Helical control groove in FIP is provided in :
Answer
C. Plunger
14
Decompressor arrangement is provided for :
Answer
C. release pressure from cylinder for easy cranking
15
For proper fixing in to the engine cylinder, the outer surface of which liner need to be
accurately finished :
Answer
B. Dry liner
16
The space between the piston and cylinder wall is called :
Answer
A. piston clearence
17
The types of combustion chamber which is made as a depression on the top of piston is
called :
Answer
C. Open combustion chamber
18
Valve train clearence is knows as:
Answer
D. valve lash
19
Which among the following bearings are commonly known as antifriction bearing?
Answer
D. ball and roller bearing
20
How many cells are there in a 12 V lead acid battery?
Answer
D. 6
21
Which among the following material is used as a solid lubricant?
Answer
D. Graphite
22
On discharged condition both positive and negative plates of lead acid battery 1s
changed into :
Answer
B. PbSO,
|
23
What is the effect of increase in temperature on specific gravity of electrolyte of lead acid
battery?
Answer
A. Specific gravity decreases
24
What will be the open circuit voltage of a cell of a fully charged battery of lead acid type?
Answer
C. c) 21V
25
In an electric circuit the ammeter is connected in:
Answer
B. series to the circuit
26
In compound wound starting motors the field coil is :
Answer
B. Both series and parallel with the armature p
27
The spark plug gap is in the range of :
Answer
D. 0.6to 1mm
28
The centrifugal force on the pressure plate of semi centrifugal clutch can be adjusted by :
Answer
A. adjusting screw on lever
29
The type of gear wheels used in sliding mesh gear box is:
Answer
C. spur gear
30
The tool which is used to remove gear, bearing, wheels and pulleys from their attaching
components are :
|
Answer
C. Pullers
31
In Semi floating type rear axle, the bearing is located :
Answer
A. On the axle and inside axle casing
32
Which of the following is a finishing operation of machined components?
Answer
D. Honing
230/2015 6 my
ve : ;
33
The type of jack with diamond shaped frame having a nut on one side and a sleeve on
other side :
Answer
C. Scissor type
34
Which of the following is not a test conducting for injectors?
Answer
A. Vacuum teat
35
The advantage tandem master cylinder is that ;
Answer
C. Can provide individual fluid lines for all axle
36
‘The part of hydraulic brake system which actuates brake shoes directly :
Answer
C. Wheel cylinder
37
The brake pads of disc brakes are returned by :
Answer
B. Rubber seal ring
38
What operation has to be done on the ends of brake pipe to prevent leakage?
Answer
D. Flaring
39
The volatile liquid that filled in bellows type thermostat 18:
Answer
C. acetone
40
In tubular type radiator cores :
Answer
B. Coolent passes through tube and air passes around
41
Which of the following is not an effect of providing cooling fins around engine cylinder?
Answer
B. Decrease heat transfer rate
42
The boiling point of water at normal atmospheric pressure is:
Answer
A. 212°F
43
Most of the coolant pumps used in automobiles are of : |
Answer
D. Impeller type
44
The commonly used firing order for six cylinder in line engine is :
Answer
A. 1-5-3-6-2-4
45
What material is plating on bore of alluminium alloy cylinder blocks to obtain a wear
resistant surface?
Answer
A. Chromium
46
What is the advantage of alluminium alloy piston over cast iron piston of same size?
Answer
C. lighter in weight
47
What is the purpose of providing vertical slot or T-slots on piston?
Answer
D. restrict the change in diameter during thermal expansion
48
The volume of cylinder when piston at TDC is called :
Answer
B. clearence volume 3
49
The nuts and bolts are usually made of :
;
Answer
B. mild steel
50
The instrument which is used to measure current voltage and resistance :
Answer
C. Multimeter
51
The needle valve of carburettor is closed and opened by :
Answer
D. float
52
Which of the following is a temporary fastening method?
Answer
A. screwed jointing
53
Anealing is a heat treatment process to:
Answer
A. Soften the steel
54
The tool which is used to remove broken stud from threaded hole is :
Answer
B. stud extractor
55
One atmospheric pressure is equal to:
Answer
D. 1.01325 bar — .
56
Which of the following is not a unit of work?
Answer
A. Newton metre/second
57
The quantity of heat required to raise a unit mass of substance through a unit raise in
temperature is called :
Answer
A. specific heat
58
Which of the following is a cold starting device used in diesel engine?
Answer
D. glow plug
A 9 230/2015
[P.T.O.]
i
59
In battery less conventional ignition system, the current generates and supplies for the
primary winding of ignition system by :
Answer
B. Magneto
60
How many high tension leads are there in a distributor cap for a twin cylinder four stroke
engine with a spark plug in each cylinder?
|
Answer
D. 3
61
Which of the following is not a cause for diesel engine does not start?
Answer
C. small leakage in diesel tank
62
Accelerator linkage of a petrol engine using carburettor is connected to :
Answer
C. throttle valve
63
Which of the following two wheeler using DTSi engine?
Answer
B. Bajaj pulsar — 180
64
The condensor used in battery coil ignition circuit is connected :
Answer
A. parallel to CB points
65
Which of the following is not an advantage of two stroke engine compared to four stroke
engine of same size?
Answer
B. higher volumetric efficiency
66
Which of the following material can be used for making contact points on the rotor of
distributor?
Answer
D. Nickel
230/2015 10 A
it
67
|
oe 67. Which of the following is not a cause for decrease in mileage of a two wheeler?
Answer
B. choke valve remains open during driving ;
68
The degree of variation of viscosity of a liquid with temperature is termed as :
Answer
C. Viscosity index
69
Which type of fuel supply system is commonly used in motor cycle?
Answer
A. Gravity System
70
The CB point gap is in the range of :
Answer
A. 0.35 mm to 0.45 mm
71
The component of battery coil ignition system which helps to avoid spark between CB
point is :
Answer
B. Condensor
72
Which of the following is not a cause for the vehicle will not take speed according to pressing
of accelerator pedal?
Answer
D. None of the above
73
One horse power is equal to:
Answer
D. 735.5 Watt
74
Bronze is an alloy of :
Answer
C. Copper and Tin
75
What is the advantage of using radiator pressure cap?
Answer
D. all of the above
76
Which among the following is an example of positive clutch?
Answer
D. None of the above
77
Ifthe speed of vehicle is doubled the air resistance is: ~
Answer
A. increased by four times
78
The component of pressure spring type single plate clutch system which disengage from
fly wheel when pressing clutch pedal is :
Answer
C. clutch disc
79
The cross section of brake shoe is of :
Answer
A. T-Section
80
‘The power utilised to propel the vehicle is known as:
Answer
C. DHP
81
Who formulates the fiscal policy in India? | |
Answer
D. Ministry of Finance
82
Which National Park harbours the largest number of one-horned Rhinos?
Answer
C. Kaziranga National Park
83
Which monument was built to commemorate the visit of King George V and Queen Mary to
Bombay?
Answer
B. Gateway of India
84
Whose death anniversary was observed as Anti- Terrorism Day on 21 May?
Answer
B. Rajiv Gandhi
85
The state having a largest area of forest cover in India is :
Answer
C. Madhya Pradesh
86
Who fixes the poverty line in India?
Answer
D. Planning Commision
87
Who discovered the Edakkal caves in Wynad in 1890?
Answer
A. Fred Fawcett
88
Who is known as the ‘Grand Old Man of India’?
Answer
B. Dadabhai Naoroji :
89
When the partition of Bengal was annulled?
Answer
C. c) 1911
90
Who was the firet Viceroy of India?
Answer
B. Lord Canning
91
In 1959, who was given the title ‘Bharata Kesari’ by the Indian President :
Answer
C. Mannathu Padmanaban
92
Swadesabhimani’ News paper was started by :
Answer
B. Vakkom Abdul Khader Moulavi
93
Who was the leader of ‘Ezhava Memorial’? |
Answer
B. Dr. Palpu |
94
Who set up the Sanskrit study center ‘Thatwaprakashika’ in 1906 at Kozhikode?
Answer
D. Vaghbadananda
95
Who said “There is no use for Caste. It curtails man's freedom: destroys his intelligence”?
Answer
A. Sree Narayana Guru
96
Which Indian won Nobel Prize for Peace for his work on promoting child rights?
Answer
D. Kailash Satayarthi
97
The 41* G7 summit was held at :
Answer
A. Germany
98
The Bollywood actor who was honoured with the Dada Saheb Phalke Film Foundation Award
in 2015:
:
Answer
C. Shah Rukh Khan
99
Who won 2015 UEFA Champions League Title?
Answer
B. Barcelona
100
The Chief Election Commissioner of India :
Answer
B. Nagim Zaidi
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