| Post Name | DREDGER CLEANER-IRRIGATION DEPT |
|---|---|
| Question Paper Code | 005/2020 |
| Date of Test | 21 January 2020 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Electricity in motion is called
Answer
C. electric current
2
The nucleus is the central part of the
Answer
D. atom
3
The electron is _____ times larger in diameter than the proton.
Answer
B. three
4
Atoms that have the outer shell exactly filled are chemically
Answer
B. inactive
5
A conductor is a material that has many free
Answer
A. electrons
6
Specially treated _____ are used to make modern electronic components such as
diodes, transistors and integrated circuit chips.
Answer
C. semi-conductors
7
The ammeter is connected in _____ in the circuit on the vehicle panel board.
Answer
A. series
8
To check the continuity of the field coils _____ is used.
Answer
D. ohmmeter
A 3 005/2020
9
Each load receives full system voltage in _____ circuit.
Answer
C. parallel
10
Each question is provided with four choices
Answer
C. and
11
The cored solder used for electrical/electronic work is
Answer
B. 60% tin : 40% lead
12
_____ is essentially required for the protection of building against lighting
Answer
B. Earthing
13
When multimeter is set for the _____ function, the multimeter must not to the circuit
with the circuits power is on.
Answer
C. ohmmeter
14
Fuse is a/an _____ portion in the electrical circuit.
Answer
D. weakest
15
In automobile electrical, _____ circuits are found without fuse.
Answer
A. oil pressure lamp
16
The mathematical expression of Ohm’s law is
Answer
C. I = V/R
17
Which metal is having property of more electric conductivity ?
Answer
D. Silver
005/2020 4 A
18
In electronic industry most of the resistors used are _____ resistors.
Answer
A. carbon
19
The unit of electric charge stored in a capacitor is
Answer
D. coulomb
20
The positive plate grids of lead acid battery is filled with
Answer
D. lead peroxide
21
Transmission and control of power by means of _____ is called hydraulics.
Answer
C. liquid
22
The unit of pressure 1 bar is equal to
Answer
D. all of these
23
_____ states that pressure exerted on a fluid is transmitted equally in all directions, acting
with equal forces on equal areas.
Answer
C. Pascal’s law
24
The unit FRL means
Answer
B. Filter Regulator & Lubricator
25
Compression Ratio
Answer
C. R) of an engine is equal to
26
Indicated Horse Power (IHP) of an engine :
2NT PmLAN
Answer
B. K
4500 4500
2NT PmLAN
27
Compression ratio of diesel engines are approximately
Answer
C. 24 : 1
28
In diesel engines,
Answer
A. Ignition takes place at constant pressure and heat rejected at constant volume
29
The instrument indicate the distance covered by a vehicle is
Answer
D. Odometer
30
Materials used for the liners are
Answer
A. cast iron
31
The valves used in 2 stroke engines :
Answer
C. Reed valve
32
The valve overlap is provided
Answer
A. at the end of exhaust stroke and the beginning of suction stroke.
33
The extra groove cast in between top ring groove and piston crown is known as
Answer
D. heat dam
34
The skirt of _____ piston is oval in shape, the diameter across the gudgeon pin is less
and when the piston heated up the bosses expand outwards making piston round.
Answer
B. cam ground
35
The piston pins are made of
Answer
A. nickel alloy
36
The inertia of the _____ tends to keep the crankshaft to rotate at a constant speed.
Answer
D. flywheel
37
The lining materials for crankshaft bearings are
Answer
D. all the above
38
_____ can take axial and radial loads.
Answer
C. Taper roller bearings
39
In some engines the axis of the tappet is slightly offset from the axis of the cam lob to
Answer
C. to rotate tappet or lifter when it moves up
40
In cam shaft drive mechanism camshaft rotates in the reverse direction of the crankshaft
in
Answer
A. gear drive
41
In a 4 stroke diesel engine the number of teeth of the camshaft sprocket is _____ the
number of teeth of sprocket on crankshaft.
Answer
B. double
42
The maximum wear of the bore occurred at
Answer
B. top thrust side
43
At the end of combustion the temperature inside cylinder will reach approximately
Answer
C. 2200° C
44
In automobile engines the water pump used in cooling system is
Answer
B. centrifugal type
45
The _____ helps to bring the cold engine to working temperature quickly.
Answer
A. thermostat
46
In higher altitude, the water boils at
Answer
B. below 100° C
47
Oil pumps are driven by
Answer
C. cam-shaft
48
To limit the max pressure of the oil in lubrication system
Answer
C. a pressure relief valve provided
49
In muffler assembly catalytic converter is provided to
Answer
C. reduce pollution
50
Drive of the mechanical fuel pump is getting from _____
Answer
B. cam-shaft
51
Drive of the high pressure pump in CRDI diesel engine is getting from
Answer
Question Cancelled
52
The lubricating oil is diluted by
Answer
B. fuel
53
Oil cooler is provided in engine for
Answer
D. cooling lubricating oil
54
In Modern vehicles the lubrication system commonly used are
Answer
D. pressure lubricating type
55
The part which make the boiling point of engine increased
Answer
C. pressure cap
56
A thermostat valve is opened
Answer
A. almost 80° C
57
Bleeding of fuel system means removing _____ from the system.
Answer
D. air
A 9 005/2020
58
In two stage filter system, the material used as secondary filter is
Answer
C. paper
59
The timing and quantity of the fuel sprayed is controlled by
Answer
A. rotating plunger
60
The process of testing the pump for the accuracy of their supplying fuel at correct
intervals is
Answer
B. phasing
61
The _____ is a device for holding any speed steady between idling and maximum speed.
Answer
C. governor
62
The process of driving exhaust gas out of the cylinder and replacing it with fresh air is
called
Answer
B. scavenging
63
In CRDI engines, high pressure diesel pump develops the pressure up to
Answer
C. 1600 bar
64
Radiator fan motor on at below
Answer
A. 98° C
65
Emissions from a diesel automobile is coming from
Answer
D. all the above
005/2020 10 A
66
In compression ignition engines the particulates are caused by
Answer
D. all of these
67
Lubrication and operation of fuel system components are done by natural lubricating
properties of diesel fuel. It is improved by
Answer
B. sulphur
68
To reduce NOx emissions that contribute to air pollution _____ is provided.
Answer
B. EGR valve
69
The _____ nozzle having an auxiliary spray hole for easy starting under cold condition.
Answer
D. pintaux type
70
The number of diodes used in an alternator is
Answer
D. six
71
Which part in an alternator protect battery from discharging ?
Answer
B. rectifier diode
72
The engine crankshaft must be rotated at a speed of minimum _____ r.p.m to start the
engine.
Answer
A. 100
73
A typical ratio between the flywheel ring gear and the starter pinion is
Answer
C. 15 : 1
74
Specific gravity of the fully charged lead acid battery is
Answer
D. 1.28
A 11 005/2020
75
The oxygen sensor is fitted in
Answer
C. exhaust system
76
Heater plug is fitted in
Answer
B. combustion chamber
77
The turbo charger is rotated by
Answer
A. exhaust gas
78
If in an engine complete combustion occurs, it produced
Answer
B. carbon dioxide
79
When the Bharat Stage III implemented Nation wide ?
Answer
D. 2010
80
In these type of clutches there is no possibility for slip :
Answer
C. dog clutch
81
_____ is distribute output torque to both side wheels uniformly.
Answer
C. Differential
82
Fluid coupling is used along with the
Answer
D. Automatic gear box
83
Free clutch pedal play in a car is
Answer
A. 30 mm
84
Spur gear is used in _____ gear box.
Answer
A. sliding mesh
85
In universal joint the bearing fitted in cross and spider is
Answer
B. needle roller bearing
86
In fully floating axle, the axle shaft takes
Answer
C. driving thrust
87
In which type of axle, the drive axle can be replaced easily, without jack up the vehicle ?
Answer
C. fully floating axle
88
The distance between front and rear wheel centre is
Answer
C. wheel base
89
The angle between the vertical line from the centre point of tyre and the central line of
the tyre is
Answer
A. camber
90
To increase directional stability vehicles are provided
Answer
B. castor
91
_____ is connected cross shaft with drag link.
Answer
C. Drop arm
92
By adjusting on track rod, _____ can be adjusted.
Answer
D. toe in-toe out
93
The weight of the components between suspension and the tyre including tyre is called
Answer
B. unsprung weight
94
The stabilizer bar is fitted on vehicles to avoid
Answer
A. roll
95
_______ wheels cannot be used in modern vehicles with tubeless tyre
Answer
C. Wire wheel
96
Tyre wear more from centre which indicate
Answer
B. tyre is over inflated
97
On a Tyre 195/55 R 16 87 V is marked in this, what it is indicated by the number 55 ?
Answer
C. Aspect ratio
98
Steering wheel vibration is mainly due to
Answer
A. unbalanced front tyre
99
On which principle hydraulic brakes are working ?
Answer
D. Pascal’s law
100
In disc brakes self adjustment is done by
Answer
C. piston seal
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