BRAKE AND CLUTCHES

1-When brakes are applied on a moving vehicle; the kinetic energy is converted to

• (A) Mechanical energy

• (B) Heat energy

• (C) Electrical energy

• (D) Potential energy

• (Ans: B)

2-The force required to stop a vehicle is dependent on

• (A) the weight of vehicle

• (B) the deceleration rate

• (C) both (A) and (B)

• (D) None of the above

• (Ans: C)

3-The following is not a drum brake

• (A) External contracting brake

• (B) Internal expanding brake

• (C) Disc brake

• (D) All of the above

• (Ans: C)

5-In disc brake, the disc is attached to the

• (A) wheel

• (B) axle

• (C) suspension system

• (D) none of the above

• (Ans: B)

6-The mechanical brakes are operated by means of

• (A) levers

• (B) bell cranks

• (C) cams

• (D) all of the above

• (Ans: D)

The following factor(s) contribute to the effectiveness of the brakes

• (A) Area of brake linings

• (B) Radius of car wheel

• (C) Amount of pressure applied to shoe brakes

• (D) All of the above

• (Ans: D)

1-The following is not a Friction clutch

• (A) Fluid clutch

• (B) Centrifugal clutch

• (C) Cone clutch

• (D) Disc clutch

• (Ans: A)

An internal expanding shoe brake is mainly used in

• A Hoist

• B Conveyor

• C Vehicle

• D All of the above

• D All of the above

In internal expanding shoe brake, the actuating force is usually provided by means of

• A A hydraulic cylinder

• B A cam mechanism

• C both (A) and (B)

• D None of the above

• C both (A) and (B)

The brake drum is made of

• A Aluminium

• B Steel

• C Cast iron

• D All of the above

• D All of the above