250+ TOP MCQs on Parts of an Automobile and Answers

Automobile Engineering Questions and Answers for Freshers on “Parts of an Automobile”.

1. The transmission system transmits _________ from engine to wheels.
a) Speed
b) Power
c) Current
d) Pressure

Answer: b
Clarification: Power from engine to wheels cannot be directly transmitted. So the transmission system transmits the power from engine to wheels in a very controlled manner. Generally, the transmission system consists of gears which provides different types of gear ratios.

2. Which of the following is not a part of the transmission system?
a) Clutch
b) Axles
c) Wheels
d) Gear box

Answer: c
Clarification: Transmission system is used to transmit the power from engine to wheels. Transmission system consists of gears, and clutches to transmit the power at different gear ratios. Wheels are considered as a part of the automobile chassis.

3. The loads supported by an automobile frame are _____
a) Weight of the body, passengers and cargo loads
b) Torque from engine and transmission
c) Sudden impacts from collisions
d) All of the mentioned

Answer: d
Clarification: Frame of an automobile supports the weight of the body, passengers and cargo loads. There are different types of frames which are used to support the weight of the automobile parts.

4. An automobile chassis does not include which one of the following parts?
a) Shock absorbers
b) Steering system
c) Differential
d) Brakes

Answer: c
Clarification: A ‘differential’ is a component of the transmission system. Differential provides different speed to both of the wheels. Due to this, the skidding of the wheels are prevented.

5. The electrical system of an automobile contains which of the following?
a) Battery
b) Alternators
c) Lighting systems
d) All of the mentioned

Answer: d
Clarification: Battery, alternators and lighting systems are the major electrical components of an automobile.

6. Which of these were or are used in automobiles to provide suspension?
a) Leaf springs
b) Coil springs
c) Torsion bars
d) All of the mentioned

Answer: d
Clarification: All the three mentioned are types of suspension systems.

7. What are ‘Air Dams’?
a) Spoilers at the front of a vehicle
b) Spoilers at the rear of a vehicle
c) Spoilers at the sides of a vehicle
d) Spoilers at the top of a vehicle

Answer: a
Clarification: Spoilers at the front of a vehicle are known as Air Dams. Air dams are used to increase the downforce of the vehicle. These dams oppose the force which tries to uplift the vehicle.

8. What are ‘Wings’ of a vehicle?
a) Spoilers at the front of a vehicle
b) Spoilers at the rear of a vehicle
c) Spoilers at the sides of a vehicle
d) Spoilers at the top of a vehicle

Answer: b
Clarification: Spoilers located at the rear of a vehicle are known as Wings. These wings are used to generate downforce at the vehicle. This force acts downward on the vehicle which keeps the vehicle on the track.

9. The lid that covers the engine top in a car and situated at the front is called ________
a) Gill
b) Softtop
c) Bonnet
d) Spoiler

Answer: c
Clarification: The hinged lid covering the engine is called ‘Bonnet’ or ‘hood’.

10. An upraised part on the hood which directs the air flow into the engine compartment is called _____
a) Spoiler
b) Hotpipe
c) Hood scoop
d) Wings

Answer: c
Clarification: Hood scoop makes a channel of air to flow into the engine compartment.

11. Why ‘Bumpers’ are used in cars?
a) To reduce the impact in case of low speed collisions
b) To improve the aerodynamics of a car
c) To increase the engine performance
d) None of the mentioned

Answer: a
Clarification: Bumpers reduce the impact of collision and save the passengers from getting injured.

12. The central portion of the wheel is called _______
a) Rim
b) Scale
c) Hub
d) Axle

Answer: c
Clarification: The central portion of the wheel is called ‘hub’.

13. A _____ is a horizontal surface at the back of a car and serves as a lid to the trunk.
a) Trunktop
b) Deck
c) Hood
d) Backlight

Answer: b
Clarification: The component that serves as a lid on the trunk is called ‘Deck’.

14. A ‘bucket seat’ can accomodate how many persons?
a) One
b) Two
c) Four
d) None of the mentioned

Answer: a
Clarification: A bucket seat can accomodate only a single passenger.

15. ‘Head restraints’ are an _________
a) Automotive style feature
b) Automotive safety feature
c) Automotive performance feature
d) None of the mentioned

Answer: b
Clarification: Head restraints are safety features that protect the vertibral column of the passengers during collisions.

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