Petroleum is a . . . . . . . . word.
A. Latin
B. Greek
C. Franc
D. All are correct
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The repetition of events in regular order is known as-
A. Stroke
B. Bore
C. Throw
D. Cycle
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The distinguishing feature of aluminium alloy cylinder block is that
A. Since aluminium material cost is less, therefore cylinder block is cheaper
B. They are lighter and have excellent heat dissipation characteristics
C. Engine coolant volume required is more
D. Cylinder block appears black in colour
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The maximum intensity of pressure which the clutch facing can wishstand without being damaged is about
A. 10 Pa
B. 10 kPa
C. 100 kPa
D. 1000 kPa
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Wheel cylinder consists of . . . . . . . . pistons.
A. 2 or 1
B. 3 or 1
C. 2 or 3
D. 3 or 4
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Within a carburettor, the velocity of air is maximum at . . . . . . . .
A. Outlet
B. Inlet
C. Throat at venturi
D. Central point of total length
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Spark ignition engine is
A. Petrol engine
B. Diesel engine
C. Steam engine
D. CI engine
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Increase of torque in a vehicle is obtained by
A. Decreasing speed
B. Decreasing power
C. Decreasing petrol consumption
D. All of the above
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The amount of power which is available at flywheel for useful work is known as-
A. I. H. P.
B. H. P.
C. Brake horse power
D. None of these
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In a vehicle with torque tube drive, the rear suspension spring
A. Takes up driving thrust and torque reaction
B. Supports load and takes up end thrust
C. Takes up braking thrust and torque reaction
D. Takes up end thrust and torque reaction
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The central gear of an epicyclic gear set is called a
A. Ring gear
B. Sun gear
C. Planet gear
D. Internal gear
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Which of the following engine convert heat energy into mechanical energy?
A. I. C. engines
B. Steam engines
C. Both
D. None of these
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If L is the stroke length and r is the crank radius, then
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When the top of the wheel is tilted outward, then it is called
A. Positive camber
B. Negative camber
C. Positive caster
D. Negative caster
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The component of battery coil ignition system which convert battery voltage into breakdown voltage is called
A. Condenser
B. Ignition coil
C. Ballast resistor
D. Distributor
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In the modern differential, the type of gearing used for the drive pinion and ring gear is
A. Spur
B. Spiral bevel
C. Hypoid
D. Helical
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For identificaton, the colour of tail lights in a car is
A. White
B. Red
C. Green
D. Yellow
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Which of the following is the type of pumps used?
A. Mechanical fuel pump
B. Electrical fuel pump
C. Both the fuel pumps
D. None of these
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Clutch noises are usually most noticeable when the engine is
A. Being started
B. Decelerating
C. Idling
D. Accelerating
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A petrol engine of a car develops 125 Nm torque at 2700 r.p.m. The car is driven in second gear having gear ratio of 1.75. The final drive ratio is 4.11. If the overall transmission efficiency is 90%, then the torque available at the driving wheels is
A. 8.091 Nm
B. 80.91 Nm
C. 809.1 Nm
D. 8091 Nm
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