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Free download in PDF Brakes Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
(1)
When brakes are applied on a moving vehicle; the kinetic energy is converted to
[A]
Heat energy
[B]
Electrical energy
[C]
Potential energy
[D]
Mechanical energy
(2)
The force required to stop a vehicle is dependent on
[A]
the deceleration rate
[B]
the weight of vehicle
[C]
both (A) and (B)
[D]
None of the above
(3)
The following is not a drum brake
[A]
Disc brake
[B]
External contracting brake
[C]
Internal expanding brake
[D]
All of the above
(4)
The process of removing air from the brake system is known as
[A]
energization
[B]
bleeding
[C]
self energizing
[D]
servo action
(5)
The power brake may be exerted by
[A]
air pressure
[B]
engine vacuum
[C]
electrical energy
[D]
all of the above
Answer: electrical energy
(6)
Servo action is to
[A]
transfer of weight during stop
[B]
increase force of friction between shoe and wheel
[C]
the amplification of braking forces
[D]
All of the above
Answer: the amplification of braking forces
(7)
The following factor(s) contribute to the effectiveness of the brakes
[A]
Amount of pressure applied to shoe brakes
[B]
Area of brake linings
[C]
Radius of car wheel
[D]
All of the above
(8)
Hand brake is applicable to
[A]
only rear wheels
[B]
only front wheels
[C]
both front and rear wheels
[D]
all of the above
(9)
Tandem master cylinder consists of
[A]
one cylinder and two reservoirs
[B]
two cylinders and two reservoirs
[C]
one cylinder and one reservoir
[D]
two cylinders and one reservoir
Answer: two cylinders and two reservoirs
(10)
The function of master cylinder in hydraulic brakes is to
[A]
serves as a pump to force air out of the hydraulic system
[B]
maintains constant volume of fluid in the system
[C]
builds up hydraulic pressure to operate the brakes
[D]
All of the above
(11)
Hydraulic brakes function on the principle of
[A]
Pascal’s law
[B]
Law of conservation of momentum
[C]
Law of conservation of energy
[D]
None of the above
(12)
In vacuum brake, cylinder chamber consists of
[A]
vacuum valve
[B]
atmospheric valve
[C]
both (A) and (B)
[D]
None of the above
(13)
The mechanical brakes are operated by means of
[A]
cams
[B]
bell cranks
[C]
levers
[D]
all of the above
(14)
In disc brake, the disc is attached to the
[A]
axle
[B]
wheel
[C]
suspension system
[D]
None of the above
(15)
The hand brake of the automobile is usually
[A]
External contracting brake
[B]
Internal expanding brake
[C]
Disc brake
[D]
All of the above
Answer: External contracting brake
(16)
When the temperature increases, the coefficient of friction
[A]
Decreases
[B]
Increases
[C]
remains same
[D]
Any of the above
(17)
The torque capacity (Mt) of disk brake is given by
[A]
µPRf
[B]
µ/PRf
[C]
µP/Rf
[D]
µRf /P
(18)
Following is (are) the type(s) of shape(s) for the pads of caliper disk brakes
[A]
Circular
[B]
Annular
[C]
Both (A) and (B)
[D]
None of the above
(19)
Following brake can never become self-locking
[A]
Disk brake
[B]
Block brake
[C]
Band brake
[D]
All of the above
(20)
Band brakes are used in
[A]
Chain saws
[B]
Hoists
[C]
Bucket conveyors
[D]
All of the above
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