| Post Name | LINEMAN GR.I - REVENUE |
|---|---|
| Question Paper Code | 143/2023 |
| Category Code | 263/2021 |
| Date of Test | 8 August 2023 |
| Medium of Question | MULTILINGUAL |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
A wankel engine is
Answer
A. An internal combustion engine
2
In a four stroke four cylinder inline engine
Answer
C. Two working strokes per one crankshaft revolution obtained
3
In a compression ignition engine
Answer
D. The air is mixed with fuel after it enters the cylinder
4
The valve stem to guide clearance is measured by using
Answer
B. Dial gauge
5
The first cylinder in a four stroke four cylinder inline engine having the firing order
1-3-4-2 is in power stroke. The cylinder no. 4 will be in
Answer
A. Suction stroke
6
If the thermostat valve is always closed, it will lead to
Answer
C. Quick engine warm up and overheating of engine
7
The advantage of an expansion tank is
Answer
B. The presence of air bubbles in the radiator can be avoided
8
An Abel’s apparatus is used to determine
Answer
D. Flash point of lubricating oils
9
From the main oil gallery, lubricating oil goes to
Answer
B. Crankshaft main bearings
10
For jump-starting a car, other end of cable connected to the negative terminal of
donor battery
Answer
D. Should be connected to an unpainted part of dead car
11
As compared to a d.c. generator, the alternator
Answer
A. Produce more current at low speeds
12
The type of nozzles generally used in engines with pre-combustion chambers are
Answer
C. Pintle type
13
The function of an oxygen sensor in an engine is to
Answer
B. Measure the amount of oxygen in exhaust gas
14
The wastegate is used to
Answer
D. Allow part of exhaust gas to by-pass turbine, to prevent detonation
15
Which engine part is made by centrifugal casting ?
Answer
C. Cylinder liner
16
Which type of muffler is also known as Helmholtz muffler ?
Answer
A. Resonance type muffler
17
The main advantage of Exhaust Gas Recirculation is
Answer
C. Reduced emission of nitrogen oxide
18
Which part of the jerk type FIP helps to avoid dribbling of fuel ?
Answer
D. Relief plunger on the delivery valve
19
An engine is warming up very slowly. The reason can be
Answer
B. Thermostat valve stuck in open position
20
If a short reach spark plug is fitted into the hole for a long reach plug
Answer
A. Compression ratio will be reduced
21
Gears used on the countershaft of a constant mesh gearbox are
Answer
C. Helical gears
22
When the driver press the clutch pedal ?
Answer
A. Release bearing pushes against the inner ends of release fingers
23
A torque converter is used to
Answer
B. Transmit engine power to gears in automatic transmission
24
The oil used for the gearbox is generally
Answer
C. SAE 90
25
The trunnions in the universal joint are supported by
Answer
D. Needle bearings
26
Which PPE must be used for body protection ?
Answer
C. Leather aprons
27
What is the shape of Warning safety sign ?
Answer
B. Triangular
28
What is the first step of 5S stands for ?
Answer
A. Sort
29
Which one of the following is a multi-point cutting tool ?
Answer
B. File
30
In a micrometer, the stationary round component with a linear scale is called
Answer
C. Barrel
31
What is responsible for the current to flow ?
Answer
B. Electrons
32
Constant across all circuit elements such as resistor, capacitor and inductor etc.
Answer
Question Cancelled
33
Which is the instrument used for measuring both AC and DC circuits?
Answer
D. Moving iron type ammeter
34
The electrolyte used in a lead acid battery is diluted
Answer
C. Sulfuric acid
35
The most commonly used battery type in modern electric vehicles are
Answer
D. Lithium ion battery
36
The steering ratio for manual steering of a car is approximately
Answer
C. 15 : 1
37
Purpose of suspension system
Answer
B. Prevent road shocks
38
The delivery pressure of hydraulic power steering pump is in the range of
Answer
D. 1000 – 1200 psi
39
What is the angle between the steering axis and the vertical in the plane of the wheel ?
Answer
A. Castor
40
What are the two different cycles of shock absorbes ?
Answer
A. Compression cycle and expansion cycle
41
What types of service brakes are usually employed on cars ?
Answer
C. Electronic
42
What is the purpose of booster pump in ABS ?
Answer
C. Provide pressurised fluid
43
Automatic Traction Control System in automobiles control the
Answer
C. Wheel alignment
44
The type of wheel preferred in sports cars are
Answer
C. Magnesium alloy wheel
45
If a tyre specification is 9.00 × 2.0.00 – 14 PR, what is meaning of 9.00 in the specification?
Answer
D. Width of tyre in inch
46
Which are the three methods of heat transfer ?
Answer
A. Conduction, Convection, Radiation
47
Which part pressurises the refrigerant in car AC system ?
Answer
D. Compressor
48
The data link connector for an OBD II system most often will be located
Answer
B. Under the dash or center console, near the driver’s seat
49
Which of the following is NOT a cause for ‘Engine not Starting’ ?
Answer
D. Bad fan motor
50
What do the Airbags, used for safety in cars contain ?
Answer
B. Sodium azide
51
An electric iron is rated as 1000 W, 230 V, 50 Hz. The value of 230 V refers to
Answer
B. RMS voltage
52
The time period of an Alternating quantity is 0.04 seconds. The frequency will be
________
Answer
C. 25 Hz
53
Which of the following can have negative temperature coefficient ?
Answer
B. Electrolytes
54
Conductance is analogous to ________
Answer
A. Permeance
55
Peak value of a sine wave is 100V. Its average value is ________
Answer
A. 63.7 V
56
What is the S.I. unit of specific resistance ?
Answer
D. Ohm-metre
57
Which one is the diamagnetic material ?
Answer
Question Cancelled
58
What is the unit of susceptance ?
Answer
A. Mho
59
Power factor of an AC circuit is given by
Answer
D. R/Z
60
The reciprocal of impedance
Answer
D. Admittance
61
Which of the following is a vector quantity ?
Answer
Question Cancelled
62
The RMS value and mean value is the same in the case of
Answer
D. Square wave
63
The power factor at resonance in R-L-C parallel circuit is
Answer
C. Unity
64
In an AC circuit a low value of KVAR compared with KW indicates
Answer
B. High power factor
65
Specific resistance of a conductor depends on
Answer
A. Conductor material
66
Flemings right hand rule is used to find
Answer
B. Direction of induced emf
67
What is the unit of permeability ?
Answer
Question Cancelled
68
What is the current density of metal if a current of 40A is passed through a cross-sectional area of 0.4m² ?
Answer
C. 100 A/m²
69
The product of apparent power and cosine of the phase angle between circuit voltage
and current is
Answer
A. True power
70
The inductance of a coil can be increased by
Answer
C. Choosing core material having high permeability
71
Silicon steel is used in electrical machines because it has _______
Answer
A. Low hysteresis loss
72
If ‘1A’ current flows in a circuit the number of electrons flowing through this circuit is
Answer
A. 0.625 × 10¹⁹
73
Which rule is used for determine the direction of magnetic lines in a current carrying
conductor ?
Answer
D. Right hand palm rule
74
The RMS value of a sinusoidal AC current is equal to its value at angle of __________ degrees.
Answer
B. 45
75
One ampere current is passed for one second is called as one
Answer
D. Coulomb
76
For a symmetrical wave form the average value of one full cycle is
Answer
D. Zero
77
One weber is equal to
Answer
A. 10⁸ lines
78
The unit of magnetic reluctance is
Answer
C. AT/weber
79
Which of the following frequencies has the longest time period ?
Answer
B. 1 Hz
80
Resistance of a conductor of diameter ‘D’ and length ‘L’ is ‘R’ ohm. If the diameter is halved and its length is doubled the resistance will be
Answer
A. 8R
81
How the capacity of batteries is specified ?
Answer
D. Ampere hour
82
What is the output voltage of lithium cell ?
Answer
C. 2.5 V
83
What is the purpose of the hydrometer is used during charging of battery ?
Answer
B. Determine the specific gravity of electrolyte
84
Which is used as an electrolyte in lead acid battery ?
Answer
D. Dilute sulphuric acid
85
What is the name of defect that bending of plates in secondary cells ?
Answer
A. Buckling
86
Why the vent plug is kept open during charging of battery ?
Answer
B. To escape the gas freely
87
Which material is used as positive electrode in a dry cell ?
Answer
A. Carbon
88
Why cells are connected in series ?
Answer
C. To obtain higher voltage
89
Which method is used to charge the battery at very low rate and long period ?
Answer
B. Trickle charging method
90
Which is rechargeable cell ?
Answer
C. Lead acid cell
91
Which meter is integrating type instrument ?
Answer
A. Energymeter
92
What is the recommended minimum height of light fitting from the floor level ?
Answer
C. 2.25 m
93
What is the maximum power recommended to the light and fan sub circuit as per IE
rules ?
Answer
D. 800 watts
94
Which represents the physical position of accessories in the wiring installation ?
Answer
C. Installation plan
95
Which classification of instrument tangent galvanometer belongs ?
Answer
B. Absolute instrument
96
Which material is used for making control spring in instrument ?
Answer
A. Phosphor bronze
97
The current rating of double pole iron clad switch is from
Answer
C. 16A to 200A
98
The insulation resistance of an installation is more than
Answer
A. 1M Ω
99
Three pin socket for light circuit rated as
Answer
A. 6A, 250 V
100
Which force helps the moving system to bring rest to its final deflected position quickly ?
Answer
C. Damping force
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