問題一覧
1
Type of brake under the category of power brake is known as
D. servo brake
2
Hydrodynamic brakes is the major type of
C. fluid brake
3
The lining of a brake shoe
A. can be changed
4
There are plates in a multi plate clutch.
C. more than one
5
The practical length of shoe is limited to about
C. 120°
6
A clutch that has a disadvantage of heavier rotary masses is known as
B. Multiple disc clutch
7
which of the following is used in the suspension system?
D. Shock absorbers
8
It is considered as the simplest type of mechanical brake.
D. Band brake
9
The maintenance of mechanical brake is
B.economical
10
In motor vehicles, there is a, brake. in addition of foot
B. hand brake
11
The most common defects of clutch:
D. all of the above
12
for overload protection of motors and engine. sup Used to protect a machors and engine." jamming aig
D. Slip clutch
13
If the angle of contact is, the pressure between the brakes shoe and the drum can not be considered uniform
B. greater than 60 deg
14
The SAE recommends an angle of for cone clutches faced with leather or asbestos or having cork inserts.
C. 12.5°
15
• In motor vehicles, it is very common practice to use a
D. single plate clutch
16
Suitable for mine hoists and other services where heavy loads are accompanied by severe shock.
Band clutch
17
In the mechanical brake system the main function is of
A. cam
18
A hydraulic clutch doesn't incorporate a
A. clutch plate
19
The friction devices used to connect shafts.
B. Clutches
20
Clutch, gear box, differential etc. are the parts of
D. transmission system
21
The frictional forces depends on coefficient of friction and
B. normal force
22
What type of ol is used in the hydraulic brake system?
A. Brake oil
23
Sues of brakes that is capable otarting ins the motion of, machine member as wel as relarding is moton shit,
D. Mechanical brake
24
is. Supplementary Question It is used to stop the motion of a moving object.
C. Brakes
25
The part of an automobile disc clutch that presses against the flywheel is referred to as
C. pressure plate
26
Hydraulic clutches are used in vehicles.
C. costly
27
The short comings in the cone clutch because of which it is not used
D. all of the above
28
What faults develop in the brakes?
D. All of the above
29
Inside the clutch is mounted.
D. gear box propeller shaft
30
The brake lining operating at temperature mixtures containing ceramics are used.
C. 750 °F to 1000°F
31
the brake capacity to absorb energy is known as
A.braking torque
32
The part of the total frictional energy that is stored in the brake parts, principally in the drum or disk has been variously estimated at,
B. 75% up
33
The principal parts of a hydraulic brake system are master cylinder and
D. wheel cylinder
34
The efficiency of hydraulic braking system is
A. about 90 percent
35
Power brakes require, power.
B. less
36
The act of keeping some pressure on the clutch pedal at the time of driving is known as
B. riding on clutch
37
Due to air effect, the hydraulic brakes become
B. ineffective
38
friction of the shoe. This fault is known as When the vehicle runs brake dunown comes hot becaus of
C. brake winding
39
The effectiveness of the brake may greatly decrease shortly after it begins to act continuously, a phenomenon called
B. fade
40
A shaft is used to connect or disconnect at will is caller
C. clutch
41
Fiction devices used to regulate the motion of bodies and with clutches.
B. Brakes
42
The reasons for noise at the time of engaging brake:
D. all of the above
43
The clutch finger is pushed by
A. clutch bearing
44
Refers to the simplest type of all brakes
A. Band brakes
45
Which of the following types of brakes are also change while replacing brake lining?
C. Shoe rivets
46
if the band wraps partly around the brake wheel or drum and brake action is obtained by pulling the band tight onto the wheel. This type of brake is known as
B. band brake
47
Why clutch creates noise?
D. All of the above
48
The overrunning clutch
A. can not be lubricated
49
The overrunning clutch
D. all of the above
50
Clutches which are designed to tranamit torque for one direction of rotation of the driver and then. free-wheel or transmit essentially no torque when the direction of the driver rotation is reversed.
B. Overrunning clutches