2 >>When a gear box has four forward speeds and one reverse speed, it is said to be a ?
(A) 3-speed gear box
(B) 4-speed gear box
(C) 5-speed gear box
(D) 6-speed gear box
3 >>The basic purpose of providing caster angle on wheels is to ?
(A) prevent uneven tyre wear
(B) maintain directional control
(C) bring the road contact of the tyre under the point of load
(D) compensate for wear in the steering linkage
4 >>When the piston is at T.D.C, the volume above the piston in the combustion chamber is the ?
(A) clearance volume
(B) cylinder volume
(C) exhaust volume
(D) none of these
Download 5 >>In a hydraulic power steering system, the power steering pump is driven by a ?
(A) belt-driven by camshaft
(B) chain-driven by crankshaft
(C) belt-driven by driveshaft
(D) belt-driven by crankshaft
6 >>The correct way to rectify an imbalanced wheel is to ?
(A) adjust the tyre pressure
(B) rotate the tyres
(C) adjust the damper spring tension
(D) attach appropriate weights to the wheel at appropriate positions
7 >>The fuel that detonates easily, is ?
(A) n-heptane
(B) iso-octane
(C) benzene
(D) alcohol
8 >>The main cause for the change in engine oil viscosity is ?
(A) humidity
(B) temperature
(C) vibration
(D) contamination
9 >>The problems caused by the wheel imbalance are ?
(A) hard steering and hard ride
(B) poor acceleration and hard steering
(C) steering wheel vibrations and uneven tyre wear
(D) poor acceleration and reduced fuel efficiency
10 >>The connecting rod lower end is connected to the relevant ----- of crankshaft. ?
(A) big end
(B) crank arm
(C) journal
(D) small end
11 >>The parking brake generally acts on ?
(A) front wheels
(B) rear wheels
(C) front and rear wheels
(D) propeller shaft
12 >>The forced-fed lubrication system means that the oil is delivered to the engine by ?
(A) gravity
(B) the pressure created by the oil pump
(C) splashing action of the crankshaft
(D) none of these
13 >>The connecting rod connects the piston and the ?
(A) cylinder head
(B) cylinder block
(C) camshaft
(D) crankshaft
14 >>Valve overlap is the number of degrees of camshaft rotation during which ?
(A) both valves are closed
(B) both valves are open
(C) both 'a' and 'b'
(D) none of these
15 >>The component that is responsible for converting the rotation of the steering wheel into lateral motion is the ?
(A) steering wheel
(B) steering shaft
(C) steering gearbox
(D) tie rod
16 >>The crankcase dilution means ?
(A) dilution of fuel in the crankcase
(B) dilution of oil by water in the crankcase
(C) dilution of lubrication oil by fuel in the crankcase
(D) dilution of mixture passing through crankcase in two-stroke engines
17 >>The commonly used antifreeze solution in automobiles is ?
(A) carbon disulphide
(B) ethylene glycol
(C) ammonium chloride
(D) freon-12
18 >>The indicated power of a four-stroke engine (in watts) is equal to (where P = Mean effective pressure in N/m2, L = Length of stroke in metres, A = Cross-sectional area of the piston in m2, and N = Speed of the engine in revolutions per second (r.p.s)) ?
(A) P.L.A.N/2
(B) P.L.A.N
(C) 2 x P.L.A.N
(D) P.L.A.N/4
19 >>Engine misfiring is likely to result from ?
(A) spark plug gap too small
(B) spark plug gap too wide
(C) vapour lock in the fuel only
(D) incorrect fuel air mixture
20 >>The basic part of the engine, to which the other engine parts are attached or assembled is the ?
(A) cylinder head
(B) crankshaft
(C) cylinder block
(D) oil pan
1 >>Which of the following bulb in a car will have the least wattage? ?
(A) Head light bulb
(B) Stop light bulb
(C) Parking light bulb
(D) Ignition warning bulb
2 >>If the valve clearances are excessively large, the problem that can arise is ?
(A) overheating of the engine
(B) incomplete valve closure
(C) fouling of spark plug by gasoline
(D) none of these
3 >>The power source for a brake booster is ?
(A) exhaust manifold pressure
(B) electricity
(C) the pressure difference between the atmospheric pressure and the vaccum pressure in the intake manifold
(D) hydraulic pump
4 >>The Diesel engines are also known as ?
(A) spark ignition (S.I.) engines
(B) compression ignition (C.I.) engines
(C) steam engines
(D) none of these
5 >>The specific gravity of acid in a fully charged battery is generally ?
(A) 1
(B) 1.28
(C) 1.82
(D) 2.81
6 >>The brake pedal during ABS operation ?
(A) is pushed upward forcefully
(B) pedal stroke becomes longer
(C) transmits slight kickback to the driver's foot
(D) all of the above
7 >>The gear shift lever requires two separate motions to shift gears, and the first movement ?
(A) moves the synchronizer
(B) selects the synchronizer
(C) meshes the gears
(D) operates the clutch
8 >>Two speed reverse gear arrangement is generally provided in case of ?
(A) passenger cars
(B) metadors
(C) tractors
(D) trucks
9 >>Wheel base of a vehicle is the ?
(A) distance between the centres of the front and rear wheels
(B) distance between the centres of the front tyres
(C) distance between the centres of the rear tyres
(D) extreme length of the vehicle
10 >>Which of the following oil is more viscous? ?
(A) SAE 30
(B) SAE 40
(C) SAE 70
(D) SAE 80
11 >>Odometer is an instrument used for measurement of ?
(A) power
(B) fuel consumption
(C) engine r.p.m.
(D) distance
12 >>In Diesel engines, the duration between the time of injection and the time of ignition is called ?
(A) spill cut-off
(B) delay period
(C) injection period
(D) ignition period
13 >>The negative terminal post on the top of a battery is ?
(A) smaller than the positive terminal post
(B) larger than the positive terminal post
(C) of the same size as the positive terminal post
(D) none of these
14 >>In a single dry plate clutch, torsional vibrations are absorbed by ?
(A) coil springs known as torsional springs
(B) cushion springs
(C) central hub
(D) clutch pedal
15 >>In a four wheel drive (4WD), the number of gear boxes are ?
(A) 1
(B) 2
(C) 3
(D) 4
16 >>How many cells are used in a 12 volt car battery? ?
(A) 2
(B) 4
(C) 6
(D) 8
17 >>In an engine, the temperature of the piston will be more at the ?
(A) crown of the piston
(B) skirt of the piston
(C) piston walls
(D) piston rings
18 >>An over-inflated tyre will wear the tread most near the ?
(A) edges
(B) corners
(C) centre
(D) none of these
19 >>Cushioning springs in clutch plate reduces ?
(A) vehicle speed
(B) torsional vibrations
(C) jerky starts
(D) none of these
20 >>In a four stroke engine for each crankshaft revolution, the camshaft revolves ?
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