Automobile Engineering MCQ Practice Test 19

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All questions answers in the last paragraph

Q1. How many cells are used in a 12 volt car battery?

(A) 2
(B) 4
(C) 6
(D) 8

Q2. The purpose of transmission in an automobile is

(A) To vary the speed of automobile
(B) To vary the torque at the wheels
(C) To vary the power of automobile
(D) None of these

Q3. 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

Q4. In a four wheel drive (4WD), the numbers of gear boxes are

(A) 1
(B) 2
(C) 3
(D) 4

Q5. Two general types of tyres are

(A) Tube type and tubeless
(B) Solid and tubeless
(C) Air and pneumatic
(D) Split rim and drop centre

Q6. A basic difference between the spark ignition engine and the Diesel engine is that the

(A) Diesel engine compresses air alone instead of an air-fuel mixture
(B) Air temperature ignites the fuel in the Diesel engine
(C) Fuel is sprayed into the combustion chamber in the Diesel engine as the piston nears T.D.C. on the compression stroke
(D) All of the above

Q7. 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

Q8. The operation of removing trapped air from the hydraulic braking system is known as

(A) Trapping
(B) Tapping
(C) Bleeding
(D) Cleaning

Q9. The temperature indicating instrument in vehicles indicates the temperature of

(A) Engine piston
(B) Engine cylinder
(C) Lubricating oil
(D) Jacket cooling water

Q10. The cam shaft in an engine is always mounted

(A) Parallel to the crankshaft
(B) Perpendicular to the crankshaft
(C) Inclined to the crankshaft
(D) None of these

Q11. The main cause for the change in engine oil viscosity is

(A) Humidity
(B) Temperature
(C) Vibration
(D) Contamination

Q13. The rating of C.I. engine fuel (Diesel) is given by

(A) Octane number
(B) Performance number
(C) Cetane number
(D) None of these

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