Session 1: Chassis and Auto Body
Unit 3: Major Systems and Components of anAutomobile
Textual Question-Answers
Check Your Progress
A. Fill in the blanks
1. A chassis is almost a complete ……………. mounting body.
Ans: vehicle without
2. The shape of the chassis depends ……………. upon the ultimateuse of the ………..
Ans: entirely, vehicle
3. A major part of a chassis is the …………… frame.
Ans: chassis
4. In commercial vehicles like trucks and buses, the body is not a…………….. of the chassis.
Ans: part
5. In most of the cases, it is an open body, whereas for liquid material like water, milk and fuel, a …………… is mounted on the chassis.
Ans: tanker
B. Multiple choice questions
1. Chassis is a French term and was initially used to denote ……………..
(a) main structure of a vehicle
(b) fixing the automobile body
(c) transmission system, front and rear axle
(d) carrying the bolt
Ans: (a) main structure of a vehicle
2. What are the functions of the chassis frame?
(a) To carry the weight of the vehicle and its passengers.
(b) To withstand the engine and transmission torque.
(c) To withstand the centrifugal force while cornering.
(d) All of the above
Ans: (d) All of the above
3. Automobile body is made of ……………….
(a) sheet metal or fibreglass
(b) iron
(c) copper
(d) gun metal
Ans: (a) sheet metal or fibreglass
4. The body is fixed to the chassis with the help of ……………….
(a) I or U bolts
(b) rivet
(c) welding
(d) threaded bolt
Ans: (a) I or U bolts
5. The automobile body should fulfill which of the followingrequirements?
(a) The body should be light.
(b) It should have a long fatigue life.
(c) Both (a) and (b)
(d) None of the above
Ans: (c) Both (a) and (b)
C. Short answer questions
1. Differentiate between chassis frame and automobile body.
Ans: The chassis frame is the main supporting structure of the vehicle onwhich all components are mounted, while the automobile body is the outercovering fixed on the chassis to carry passengers or goods.
2. Explain the use of the chassis frame.
Ans: The chassis frame supports the weight of the vehicle, engine, transmission, passengers, and load, and provides strength and stability duringmotion.
3. How does an auto body help in transport?
Ans: An auto body helps in transport by safely carrying passengers orgoods, protecting them from weather conditions, and providing comfort andsafety during travel.
