Basic Automobile Engineering Quiz | Practice Test

Multiple Choice Questions on Automobile | Objective Questions | Automobile Engineering Quiz | MCQ

1 >>The materials used for cylinder block are ?

• (A) cast iron and steel
• (B) cast iron and aluminium alloy
• (C) steel and aluminium alloy
• (D) brass and steel

Solution [B]:- cast iron and aluminium alloy

2 >>The positive plates of a lead acid battery has ?

• (A) lead peroxide (PbO2)
• (B) spongy lead (Pb)
• (C) lead sulphate (PbSO4)
• (D) sulphuric acid (H2SO4)

Solution [A]:- lead peroxide (PbO2)

3 >>The path taken by intake air is ?

• (A) carburettor (or throttle body) - air cleaner - intake manifold - intake ports - cylinders
• (B) air cleaner - carburettor (or throttle body) -intake ports - intake manifold - cylinders
• (C) air cleaner - intake manifold - carburettor (or throttle body) - intake ports - cylinders
• (D) air cleaner - carburettor (or throttle body) - intake manifold - intake ports - cylinders

Solution [D]:- air cleaner - carburettor (or throttle body) - intake manifold - intake ports - cylinders

4 >>The basic purpose of tyre rotation on automobiles is to ?

• (A) avoid ply separation
• (B) equalize wear
• (C) get better ride
• (D) none of these

Solution [B]:- equalize wear

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5 >>Which of the following is not an automobile? ?

• (A) Motor cycle
• (B) Passenger car
• (C) Aeroplane
• (D) Truck

Solution [C]:- Aeroplane

6 >>In a square type engine ?

• (A) geometrical shape is square
• (B) diameter and length of piston are same
• (C) two cylinders are placed horizontal and two vertical
• (D) stroke length and cylinder bore are same

Solution [D]:- stroke length and cylinder bore are same

7 >>The ignition in a spark ignition engine takes place when the piston is ?

• (A) exactly at the T.D.C. position on its compression stroke
• (B) approaching the T.D.C. position on its compression stroke
• (C) leaving the T.D.C. position on its compression stroke
• (D) approaching the T.D.C position on its exhaust stroke

Solution [B]:- approaching the T.D.C. position on its compression stroke

8 >>The engine oil is stored in ----- when the engine is not running. ?

• (A) oil pan
• (B) cylinder head
• (C) oil pump
• (D) separate oil tank

Solution [A]:- oil pan

9 >>The most commonly used power plant in automobiles is ?

• (A) gas turbine
• (B) I.C. engine
• (C) battery
• (D) none of these

Solution [B]:- I.C. engine

10 >>The condition that results in large quantities of CO emission is ?

• (A) insufficient air during combustion
• (B) insufficient fuel during combustion
• (C) low temperature combustion
• (D) high temperature combustion

Solution [A]:- insufficient air during combustion

11 >>In comparison with a radial tyre, one advantage of a bias-ply tyre is ?

• (A) longer life
• (B) lower rolling resistance
• (C) smoother ride at low speeds
• (D) none of these

Solution [C]:- smoother ride at low speeds

12 >>The sequence order of events in a four-stroke engine is ?

• (A) suction - exhaust - power - compression
• (B) suction - power - compression - exhaust
• (C) suction - compression - power - exhaust
• (D) exhaust - compression - power - suction

Solution [C]:- suction - compression - power - exhaust

13 >>Which of the following is not a part of the chassis? ?

• (A) Wheels
• (B) Front axle
• (C) Steering system
• (D) Seats

Solution [D]:- Seats

14 >>The capacity of a battery is usually expressed in terms of ?

• (A) volts
• (B) amperes
• (C) weight
• (D) ampere-hours

Solution [D]:- ampere-hours

15 >>Vulcanizing means ?

• (A) heating rubber under pressure
• (B) spraying with special paint
• (C) melting rubber while stirring it
• (D) none of these

Solution [A]:- heating rubber under pressure

16 >>The instrument used to check specific gravity of acid in a battery is ?

• (A) hydrometer
• (B) hygrometer
• (C) anemometer
• (D) multimeter

Solution [A]:- hydrometer

17 >>The material generally used for cylinder sleeves is ?

• (A) aluminium
• (B) ceremic
• (C) cast iron
• (D) fibre reinforced plastic

Solution [C]:- cast iron

18 >>When turning a corner, ?

• (A) the front wheels are toeing out
• (B) the front wheels are turning on different angles
• (C) the inside front wheels has a greater angle than the outside wheel
• (D) all of the above

Solution [D]:- all of the above

19 >>The acid used in automobile battery is ?

• (A) hydrochloric acid
• (B) hydrofluoric acid
• (C) nitric acid
• (D) sulphuric acid

Solution [D]:- sulphuric acid

20 >>The rolling resistance is because of the friction between the ?

• (A) wheel rim and tyre
• (B) tyre and the road surface
• (C) wheel rim and road surface
• (D) none of these

Solution [B]:- tyre and the road surface