| Post Name | MOTOR MECHANIC/STORE ASSISTANT |
|---|---|
| Department | GROUND WATER |
| Question Paper Code | 232/2015 |
| Date of Test | 17 December 2015 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Before a mechanic get under a vehicle he should make sure that:
Answer
D. The vehicle is on safety stands
2
In automobile servicing concept what is meant by ‘Tear down”
Answer
B. Disassembling
3
Which is most suitable to check spark plug gap?
Answer
C. Wire gauges
4
The reading of a metric micrometer is in:
Answer
C. Thousands of millimetre
5
To measure the taperness of a cylinder a ——————— is used. |
Answer
A. Dial indicator
6
Splines and keys in mechanical assemblies :
Answer
C. Locks gears to shafts
7
Castle nuts are normally used with :
Answer
B. Cotter pins
8
Gaskets are used to:
Answer
D. Any of the above
A 8
[P.T.O.]
—
9
Taps are used to:
Answer
A. Cut internal threads
10
A‘Clutch spring compressor’ compresses off the clutch while dismantling.
Answer
B. Thrust springs :
11
As piston moves towards TDC in compression stroke :
Answer
D. All of the above |
12
The stroke in which both the valves are closed is:
Answer
D. Both (B) and (C)
13
To further smoothen out the flow of power engines have:
Answer
B. Fly wheels
14
é 14. To convert the reciprocating motion to rotary motion the engines have:
Answer
C. Connecting rods and crank shaft
15
How many times in minute the inlet valve of a four stroke engine working at 1000 RPM open
and close? ;
Answer
A. 500
16
Valve rotators are used for :
Answer
D. All of the above
17
WTEC stands for:
Answer
B. Variable valve Timing and lift Electronic control
18
Most commonly used valve actuating mechanism in modern cars is :
Answer
B. I-head .
19
The carbon deposits on the cylinder head is removed with :
Answer
A. Scrapper brush
20
Ina single cylinder two stroke engine running at 2000 RPM the number of power strokes per |
minute is -
Answer
C. 2000
21
Inan Otto cycle engine, the operation sequence is:
Answer
C. Compression, power, exhaust
22
The factor for ignition in diesel engines 1s :
Answer
B. High compression ratio
23
Ina two stroke engine at the time of spark occurs :
.
Answer
C. Fresh charge is being transferred to inlet
24
Which of the following is a rich air fuel ratio?
Answer
A. 9:1
25
The percentage of combustion heat, available at crank shaft for useful work output is :
Answer
Question Cancelled
26
In an engine having swirl combustion chamber :
Answer
C. Improved combustion take place
27
‘The main purpose of piston pin offset is to:
Answer
D. Reduce piston slap
28
Some automobile engines have glow plugs to :
Answer
C. Preheat the combustion chamber
29
The upper and lower ends of the combustion chamber is formed by :
Answer
D. Cylinder head and piston
30
Piston rings are provided to :
Answer
D. Both (A) and (C)
31
Thermostat valve helps the engine to:
Answer
B. Keep the coolant temperature at operating values
32
Ina four stroke engine the cam shaft turns at:
Answer
C. Half the speed of the crank shaft
33
Mechanic X says that all OHC engines have rocker arms. Mechanic Y says that some use
bucket tappets and no rocker arms. Who is correct?
Answer
B. Mechanic Y
34
Valve overlap occurs at:
Answer
A. the end of exhaust stroke
35
The rate at which work is done, is measured in terms of :
Answer
D. Power
36
The volume of air contained above the piston when the piston is at TDC is:
Answer
A. Clearance volume
37
‘The condition of exploding the end charge before the completion of normal combustion 1 :
Answer
A. Pre-ignition ass
38
Low Cetane fuel implies that :
Answer
A. It takes longer time to ignite
39
Mechanical fuel pumps are operated by :
Answer
D. Eccentric in the cam shaft
40
Taper needle jet is found in: |
Answer
B. SU carburettor |
41
Generally turbo charger is operated by :
Answer
D. Exhaust gas ad,
42
Qualitative governing is best suited for:
Answer
C. Dhesel engines
43
Growler is associated with :
Answer
B. Armature
44
High compression ratio result in :
Answer
D. All of the above
45
PCV valve is located between :
Answer
A. Crank case and inlet manifold
46
CO in the exhaust of a vehicle should not be more than: -’
Answer
A. 0.5%
47
‘The temperature below which the oil will not flow is :
Answer
C. Pour point
48
Transfer case is a type of ——————— in four wheel drive vehicles.
Answer
B. Gear Box
49
Gear Clash while shifting is due to:
Answer
D. Any of the above
50
Incase of front engine rear wheel drive cars the drive shaft has:
Answer
C. } Minimum two universal joint
51
Aslip joint permits changes in : '
Answer
A. Wheel base
52
Alternator produces electricity in its :
Answer
A. Stator windings
53
While trying to start an engine it cranks slowly but doesn't start .[t may be due to:
Answer
D. Any of the above
54
Approximate starter pinion-ring gear, gear ratio is :
Answer
B. 15:1
55
When it is needed to top up the lead acid battery frequently, it is due to:
Answer
C. Overcharging
56
Hydrometer is device used to check :
|
Answer
B. Specific gravity of acid
57
In hydraulic system Brake binding is due to:
Answer
D. Any of the above
58
Double de-clutching is associated with : |
Answer
A. Constant mesh gear box
59
Gear clash during shifting may be caused by any one of the following except :
Answer
C. Too low idle speed
60
How many synchronizer units are there in a three speed transmission?
Answer
B. Two | |
61
How many gears are there in the main shaft of a four speed transmission?
Answer
C. Four
62
Pick the odd one out :
|
Answer
A. Half shaft
63
A humming noise from the under body of a rear wheel drive vehicle is due to :
Answer
B. Incorrect differential meshing
64
The type of front axle in which the king pin is usually fixed in the stub axle forging and its
ends turn in the forked end of the axle beam is:
Answer
D. Elliot
65
The tilt of the front wheels from vertical is called :
Answer
B. Camber
66
‘To reduce the vibration and for steability of a vehicle :
Answer
C. Lower unsprung weight is desired
67
Stroke length is equal to: !
Answer
A. Double the crank throw '
68
Which is not true with respect to Dise brakes?
Answer
D. Concealed frictional surface
69
Generally five wheel tyre rotation starts from which side wheel?
Answer
D. Rear right
70
Which of the following axle shaft has to take full load? |
Answer
C. . Semi floating
71
Aspect ratio of tyre is its:
Answer
B. Section height/Section width
72
Ina tyre it is designated as ‘P200/75 R16’, What is the digit 200?
Answer
A. Section width
73
What is the symptom of atmospheric air enter the water cooling system of a multi cylinder
| diesel engine?
|
Answer
A. Overheating
74
What is the CC value of new TATA Nano Gen X Easy shift car?
Answer
C. 624
75
The type of body movement of a vehicle in which the vehicle turn on its own longitudinal
AXIS 18 :
Answer
D. Rolling
76
Which gear will not revolve when the vehicle is moving on straight path?
Answer
A. Planetary gear
77
The rear axle thrust acting on rear axle casing is transferred to frame by :
Answer
B. Radius rods
78
Compared with spiral bevel gear, a hypoid gear has the advantage of :
Answer
C. higher or lower propeller shaft can be used
79
The pollutant that forms at higher combustion temperatures is :
Answer
C. c) NO,
80
Variable steering gear ratio can be achieved in the case of :
Answer
D. Worm and Roller
81
Who was the first recipient of Ezhutachan Puraskaram?
Answer
D. Sooranad Kunjan Pillai
82
The last Asian games was held in:
Answer
A. South Korea
83
Name the ureanisation founded by Pandit Karuppan :
|
Answer
B. Kalyana Dayani Sabha
|
84
The first woman President of Indian National Congress :
Answer
B. Annie Besant
85
Who was the Prime Minister of India, when Panchasheel was adopted?
Answer
C. Jawaharlal Nehru
86
Swarnajayant, Gram Swarozgar Yojana was launched in :
Answer
B. 1999
87
Ranajith Singh Gold cup is associated with :
Answer
A. Hockey
88
Who won the Nobel prize for literature in 2014? |
Answer
D. _ Patrick Modiano
89
The headquarters of Kerala Lalita Kala Academy is at :
Answer
A. Thrissur
90
The palace at Mattanchery was built by:
Answer
D. Portuguese
91
Whose birthday is celebrated as National Youth Day?
Answer
C. Swami Vivekananda
92
McMohan line is the demarcation line between India and :
Answer
A. China
93
The famous Ajanta-Ellora is situated in :
Answer
C. Maharashtra
94
Name the newspaper founded by Vakkom Abdul Khadar Maulavi :
Answer
A. Swadesabhimani
95
‘Odayilninnu’is a novel written by :
|
Answer
D. Kesavadev
96
Where did the Jallianwala Bagh Massacre occur?
Answer
C. Amritsar
97
Who was the first secretary of SNDP?
Answer
B. Kumaranasan
98
Who received the Dada Sahib Phalke award in 20137?
Answer
C. Gulzar
99
‘Pracheena Malayalam’ was written by :
Answer
D. Chattampi Swamikal
100
Who appoints the chairman of UPSC?
Answer
B. The President of India
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