| Post Name | Training Instructor MMV - Scheduled Caste Development |
|---|---|
| Question Paper Code | 015/2026/OL |
| Category Code | 358/2025, 359/2025 |
| Date of Test | 31 January 2026 |
| Exam Type | Online Examination |
| Total Questions | 100 |
1
Which optical instrument is used for measuring small angular difference?
Answer
B. Auto- collimator
2
Which locking device is used on jobs subjected to sudden shocks and vibrations?
Answer
A. Castel nut
3
Which safety guard is forms an integral part of the machine and cannot be removed?
Answer
C. Interlocking guards
4
Which type of snap gauge is used for measuring small jobs?
Answer
D. Double end solid snap gauge
5
In outside micrometre bevelled edge of the thimble is divided into
Answer
B. 50 parts
6
Which type of pressure gauge is best suited for measuring vacuum pressure?
Answer
C. Manometer gauge
7
A screw is specified by its
Answer
B. Major diameter
8
For harder material the helix angle of the drill is
Answer
B. Less than 45 degree
9
For steel rivets the cold riveting process may be used up to
Answer
C. 12 mm diameter
10
On milling machine, one revolution of the crank in indexing head will turn its spindle to _________ degree.
Answer
D. 9Âş
11
The part of electric circuits which is used for reduce voltage drop by minimizing wiring length of a particular circuit
Answer
C. Relay
12
Fuses are provided in a circuit for
Answer
B. Limit current
13
Number of cells in a 12 Volt lead acid battery
Answer
C. 6
14
What is the active material on a positive plate of a lead acid battery
Answer
B. Lead peroxide
15
A lead acid battery is an example for
Answer
C. Wet cell and Secondary cell
16
In an alternator the magnetic field is produced by
Answer
D. Rotor
17
Voltage range of conventional type car headlamp bulb is
Answer
Question Cancelled
18
In a starter motor with solenoid cum shift, the solenoid works
Answer
C. for switch on the motor and engage the pinion
19
In electronically controlled engine management systems, the components executes a particular job as per the commands from the ECM are known as
Answer
D. Actuators
20
In electronic fuel injection systems, fuel at high pressure is stored in
Answer
C. Rail
21
The time period in which the inlet and exhaust valves remains opened together is called
Answer
D. Valve overlap
22
Valve clearance ensures
Answer
B. Complete valve closure
23
The part employed for uniform wear of valve stem
Answer
C. Valve rotator
24
Energy developed in power stroke is stored and distributed for the idling strokes by
Answer
A. Fly wheel
25
Otto cycle is a
Answer
C. Constant volume cycle
26
What is a stoichiometric ratio?
Answer
C. Ratio of air fuel mixture in that the mixture burns completely without remaining air or fuel
27
Result of governor failure in a diesel engine
Answer
A. Engine runaway
28
The part of battery coil ignition system which step up the voltage is
Answer
C. Ignition coil
29
Firing order of a six cylinder inline engine
Answer
B. 1-5-3-6-2-4
30
The space covered by the piston during a stroke
Answer
B. Swept volume
31
The material used for bushing of the connecting rod small end in the floating type piston pin
Answer
C. Phosphor Bronze
32
What is the angle of valve seat in cylinder head?
Answer
A. 30°
33
Select the wrong statement about sodium cooled valves (i) Melting point of metallic sodium is 98.5°C (ii) Sodium cooled valve runs as much as 100°C cooler than conventional type valve (iii) This type of valves requires less care during maintenance (iv) Sodium bursts into flame while in contact with water
Answer
A. Both (i) and (iii)
34
The harmonic balancer usually fitted
Answer
C. at the front end of the crankshaft
35
In which type liners, the packing rings are used?
Answer
C. Wet Liner
36
Which of the following statement is / are not correct about toothed belt drive (i) silent drive due to absence of metal- to- metal contact (ii) high heat built up due to pulley to belt friction (iii) no lubrication is required (iv) Cost of the drive is relatively high
Answer
C. Both (ii) and (iv)
37
The material used for cylinder block construction
Answer
B. Grey Cast Iron
38
The part of an engine which changes rotary motion into reciprocating motion
Answer
C. Camshaft
39
Which is maintaining the operating temperature in the cooling system?
Answer
C. Thermostat valve
40
Which of the following statement is / are correct, if the water level falls down from required limit in the thermo- siphon system? (i) rate of circulation remains same (ii) stops the circulation of water (iii) high rate of circulation occurs (iv) Forced circulation occurs
Answer
B. (ii) only
41
In which lubrication system is using a separate oil tank?
Answer
D. Dry sump Lubrication system
42
The temperature at which the lubricating oil changes the liquid state to solid state
Answer
A. Pour point
43
The gear type oil pump delivers lubricating oil at a pressure of
Answer
A. 30-40 N/cm2
44
Jiggle pin is a part of
Answer
A. Thermostat Valve
45
The chemical which is used as an anti-freeze
Answer
B. Propylene glycol
46
Find out the correct from following statements about cooling system (i) pump circulation system is fitted with positive displacement type pump (ii) water pump is used to pump water from lower tank of radiator to engine block (iii) fins are used for the purpose of increasing surface area of the cylinder (iv) thermo-siphon system requires less water for operation
Answer
B. (iii) Only
47
Name the tool which is used for adjusting tappet clearance
Answer
D. Feeler gauge
48
Which is the tool used to remove ridge at the top of the cylinder wall?
Answer
C. Ridge reamer
49
The bellows type thermostat uses volatile liquids which boils at
Answer
B. 70-85°C
50
Which are the chemicals used as corrossion inhibitors in the coolant?
Answer
B. Silicates
51
The defect clutch drag is caused by which of the following reasons? (i) Pressure plate warped or damaged (ii) Oil or grease on friction faces (iii) Loose or worn out clutch facings (iv) Worn-out splines of clutch plate hub
Answer
A. Only (i) and (ii)
52
Which of the following woven type friction materials are used to make clutch facings in automobiles? (i) Solid variety (ii) Moulded type (iii) Sintered type (iv) Laminated variety
Answer
A. Only (i) and (iv)
53
In fluid flywheel if appreciable drag is experienced when the engine is idling it may be only due to which of the following reason?
Answer
D. Wrong grade of fluid
54
What are the advantages of constant mesh gear box when comparing it to sliding mesh type gear box? (i) Constant torque (ii) Reduced wear of dog teeth (iii) Can avoid spur gear (iv) Use of transmission fluid
Answer
C. Only (ii) and (iii)
55
In an automobile transmission system what are the probable causes of gears clash while shifting? (i) Incorrect clutch adjustment (ii) Damaged shift mechanism (iii) Damaged oil seal (iv) Thinner gear oil
Answer
A. Only (i) and (ii)
56
Which of the following belongs to the advantages of a freewheel unit or freewheel clutch in transmission system? (i) Less reduction of torque (ii) Less wear on transmission (iii) Fuel saving (iv) Uniform torque
Answer
D. Only (ii) and (iii)
57
Which output member in a epicyclic or planetary gear set increases the torque?
Answer
B. Planet carrier
58
The overdrive to step up gear ratio in a car can be engaged only above a certain minimum speed which is usually in the range of 30 to 50 km I hr. This minimum speed is called
Answer
C. Cut in speed
59
In a torque converter maximum torque multiplication occurs when the turbine is stationary and impeller is running fast at the engine speed. This is called stall. The maximum torque multiplication at stall is about?
Answer
D. 2.1 to 2.6
60
In the absence of many mechanical components the maintenance of fluid flywheel is much easier as compared friction clutches. Even faults may occur. Which of the following faults that will occur in fluid flywheel? (i) Large slip and drag (ii) Knock and fade (iii) Vibration and unbalance of rotor (iv) Crash and jerk
Answer
A. Only (i) and (iii)
61
The hydrocarbons are broadly classified in to four categories. In which the paraffins with open chain structures are called?
Answer
A. Normal paraffins
62
The methods of finding octane ratings have been standardized by Co operative Fuel Research Committee. Choose correct that methods from the following options? (i) CFR Research Method (ii) CFR Motor Method (iii) CFR Speed Method (iv) CFR Combustion Method
Answer
A. Only (i) and (ii)
63
Which of the following two important considerations are taken while designing the combustion chamber for spark ignition engines?
Answer
D. Production of turbulence and spark plug location
64
The ratio of indicated thermal efficiency of an engine to the air standard efficiency of theoretical cycle on which the engine working is called?
Answer
D. Relative efficiency
65
A small amount of fuel injected and ignited just before the main injection process. What is the name of this method to control the fuel pressure rise by smoothing the combustion pressure?
Answer
D. Pilot Injection Control Process
66
In mechanical fuel injection system fuel is forced from a mechanical fuel injection pump through injectors. Which of the following comes under mechanical fuel injection system? (i) Low pressure fuel system (ii) Air blast injection system (iii) Metering injection system (iv) Compressed air system
Answer
B. Only (i) and (iii)
67
During starting period the turbo charger is out of normal operation and there for diesel engine is always in the incomplete combustion due to lack of air and results in heavy smoke. Which of the following part is used to avoid excessive fuel injection in to the cylinder?
Answer
A. Fuel rack limiter
68
A diesel particulate filter is a major emission control device used in automobiles to meet the emission norms. This filter is also known by another name. What is the second name of that filter?
Answer
C. Particulate traps
69
In a catalytic converter which of the active material promotes oxygen storage to improve oxidation efficiency?
Answer
C. Cerium
70
Selective catalytic reduction reduces nitrogen oxides emission up to 93 %. Which of the following system components comes in selective catalytic reduction system? (i) Mixing tube (ii) Pilot tube (iii) Pintle tube (iv) DEF injector
Answer
C. Only (i) and (iv)
71
The vehicle ride will be more comfortable if the:
Answer
B. Unsprung weight is kept minimum
72
The gas used in modern shock absorbers is:
Answer
A. Nitrogen
73
Which of the following is considered a conventional suspension system?
Answer
B. Leaf spring suspension system
74
Bellows are used in a:
Answer
B. Air suspension system
75
Lower wishbone and upper wishbone arms are used in a:
Answer
B. Wishbone type suspension system
76
In cross-ply tires, the cords are woven at an angle of :
Answer
A. 30 to 40°
77
The spokes are used in a:
Answer
C. Wire wheel
78
The aspect ratio of a tire is the ratio of:
Answer
A. Tire section height to tire section width
79
In the tire code P205/75R14 85H, the number “205" refers to the:
Answer
D. Tire section width
80
In tire speed ratings, the letter code “T" refers to a maximum speed of:
Answer
C. 118 mph
81
The angle through which the wheel has to turn to sustain the side force (cornering force) is called:
Answer
C. Slip angle
82
The angle formed in the vertical plane between the wheel's centerline and the kingpin's (or steering axis) centerline is called the:
Answer
C. Combined angle (or Included angle)
83
When the slip angle of the front wheels is less than that of the rear wheels, the vehicle is said to be:
Answer
A. Oversteering
84
Which of the following will help in the directional stability of the front wheels?
Answer
B. Positive caster
85
In a semi-floating rear axle construction, the drive shaft has to take up:
Answer
C. Both driving torque and the weight of the vehicle
86
The primary function of a transfer case in a four-wheel-drive system is to:
Answer
B. Receive power from the transmission and distribute it to both the front and rear axles.
87
Excessive wear on both the inner and outer edges (shoulders) of a tire, while the center remains relatively unworn, is typically caused by:
Answer
B. Under-inflation
88
A vehicle showing heavy tread wear only on the inner edge of both front tires most likely has:
Answer
B. Excessive negative camber
89
Where is the cross shaft primarily located?
Answer
A. Inside the steering gearbox
90
In the context of front-wheel geometry, "wheel rake” is a synonym for:
Answer
A. Camber
91
Why Brake fluids must be replaced periodically?
Answer
C. It is highly hygroscopic
92
What is called brake fading?
Answer
C. Brake effectiveness decreases due to prolonged application
93
What is the name of assembly which houses the brake pads and pistons?
Answer
D. Caliper
94
Which controls refrigerant flow into evaporator?
Answer
C. Expansion valve
95
Where the ambient air temperature sensor is typically placed?
Answer
D. Behind the grill or front bumper
96
Which controls the intensity of braking in an air brake system?
Answer
B. Brake valve
97
What is the process of releasing the braking pressure just before the wheels lockup and then reapplying the same by the Antilock brake system is called?
Answer
C. Pressure modulation
98
Which type of master cylinder is used in axle-by-axle split system?
Answer
A. Tandem master cylinder
99
In a hydraulic braking system what is the function of brake proportioning valve?
Answer
B. It provides balanced braking
100
Which component in car’s AC system ensures that only liquid refrigerant is passed to the expansion valve?
Answer
A. Receiver-Drier
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