Training doesn't cost, it pays
Presented By: Edouard Colonerus
17/04/2007
AIR BRAKE ENDORSMENT
1

Available Time: 2 hour
My Name is:
Edouard Colonerus
Qualifications:
Driver Trainer
WHMIS Instructor
Defensive Driving Instructor
First Aid Instructor
Transportation Ergonomics
Experience:
5 Years
17/04/2007
AIR BRAKE ENDORSMENT
3
"The person interested in success has to
learn to view failure as a healthy,
inevitable part of the process of getting to
the top."
17/04/2007
AIR BRAKE ENDORSMENT
4
Edouard Colonerus
17/04/2007
AIR BRAKE ENDORSMENT
5
1. This session belongs to YOU and its success rests largely with you.
2. Enter the discussions ENTHUSIASTICALLY.
3. GIVE FREELY of your experience.
4. CONFINE your discussion to the topic at hand.
5. Say what you THINK.
6. Only ONE PERSON should talk at a time. Avoid private
conversation while someone else is speaking.
7. BE PATIENT with other members.
8. APPRECIATE the other person’s point of view.
2016-03-11
Return To Work Program
6

1.Brakes convert the energy of a moving vehicle into:

A.
B.
C.
D.



water.
compressed air.
heat.
noise.
17/04/2007
AIR BRAKE ENDORSMENT
7

2. Air compressors are powered directly by the engine or by using:

A.
B.
C.
D.



17/04/2007
belts and pulleys.
brackets and supports.
chains and sprockets.
belts and chains.
AIR BRAKE ENDORSMENT
8

3. The compressed air in an air brake system is stored in:

A.
B.
C.
D.



17/04/2007
the vehicle's air tanks.
the air compressor governor.
the brake chambers.
the air lines and valves.
AIR BRAKE ENDORSMENT
9

4. Alcohol evaporators may be used to:

A.
B.
C.
D.



17/04/2007
add water to the air brake system to prevent freezing.
heat the air brake system to help prevent freezing.
help prevent moisture in the air brake system from freezing.
remove water vapor from the air brake system.
AIR BRAKE ENDORSMENT
10

5. When a spring brake chamber has been disabled by a
’caging bolt’ or other mechanism:





A.
B.
C.
D.
17/04/2007
it looks the same to a driver.
the spring brake will still apply.
the service brake will not apply.
the spring brake will not apply.
AIR BRAKE ENDORSMENT
11

6. Trailer couplers or 'gladhands' are usually:

A.
B.
C.
D.



17/04/2007
painted the same colour as the vehicle.
cross-connected when colours are matched.
yellow and black to avoid cross-connection.
colour matched and designed to prevent cross-connection.
AIR BRAKE ENDORSMENT
12

7. Brake fade can result from:

A.
B.
C.
D.



17/04/2007
high brake temperatures.
high air compressor temperature.
high air brake system pressure.
driving at high altitudes.
AIR BRAKE ENDORSMENT
13

8. When inspecting brake drums and rotors, the driver must look for:

A.
B.
C.
D.



17/04/2007
brake calipers or rotors that are not the same colour.
broken or cracked brake drums or rotors.
brake drums or shoes that are not the correct size.
square ports and markings.
AIR BRAKE ENDORSMENT
14

9. When inspecting the air compressor, the driver must look for:

A.
B.
C.
D.



17/04/2007
insecure mounting bracket or fasteners.
improper governor setting.
loose air tank brackets or fasteners.
all of the above.
AIR BRAKE ENDORSMENT
15

10.

A.
B.
C.
D.



17/04/2007
An air compressor governor should cut-in approximately 138 to
173 kPa (20 to 25 psi)
below cut-out pressure setting.
above cut-in pressure setting.
above cut-out pressure setting.
below cut-in pressure setting.
AIR BRAKE ENDORSMENT
16

11.

A.
B.
C.
D.



17/04/2007
The air loss rate on a single vehicle (bus, tractor or truck) must
not exeed:
21 kPa (3 psi) per minute.
41 kPa (6 psi) per minute.
55 kPa (8 psi) per minute.
7 kPa (1 psi) per minute.
AIR BRAKE ENDORSMENT
17

12. When an air brake system is defective you must:

A.
B.
C.
D.



17/04/2007
drive the vehicle slowly on the highway.
drive the vehicle to the nearest service station.
drive the vehicle back to the terminal.
not drive or operate the vehicle on any road or highway.
AIR BRAKE ENDORSMENT
18

13.

A.
B.
C.
D.



17/04/2007
A reliable method for inspecting brake adjustment on a brake
having an exposed pushrod is:
measuring the applied pushrod stroke.
checking air pressure drop on brake application.
checking for a 90-degree angle when brakes are applied.
rolling the vehicle forward and applying the brakes.
AIR BRAKE ENDORSMENT
19

14.

A.
B.
C.
D.



17/04/2007
When measuring the applied pushrod stroke on brakes having
exposed pushrods, air pressure must be between:
690 and 828 kPa (100 and 120 psi).
621 and 690 kPa (90 and 1 00 psi).
690 and 932 kPa (1 00 and 135 psi).
414 and 828 kPa ( 60 and 120 psi).
AIR BRAKE ENDORSMENT
20

15 .

A.
B.
C.
D.



17/04/2007
Hydraulic brake systems use:
steam.
compressed air.
water.
brake fluid.
AIR BRAKE ENDORSMENT
21

16. Air compressors are mounted directly onto the engine or by using:

A.
B.
C.
D.



17/04/2007
pulleys.
brackets and fasteners.
sprockets.
belts and chains.
AIR BRAKE ENDORSMENT
22

17. Air tanks must be drained regularly because:

A.
B.
C.
D.



17/04/2007
this is where moisture and oil collect.
tanks will develop too much pressure.
tanks will overheat.
this is where primary and secondary air collect.
AIR BRAKE ENDORSMENT
23

18. The brake pedal in an air brake system is used to:

A.
B.
C.
D.



17/04/2007
apply vehicle spring brakes.
raise and lower air brake system pressure.
apply vehicle service brakes.
apply trailer service brakes only.
AIR BRAKE ENDORSMENT
24

19. A spring brake control valve is normally:

A.
B.
C.
D..



17/04/2007
located in the same position in all commercial vehicles.
pulled to release and pushed to apply the service brakes.
a toggle-type valve located in the same position in all vehicles.
a push/pull type valve located near the driver.
AIR BRAKE ENDORSMENT
25

20. When trailer couplers or 'gladhands' are cross-connected:

A.
B.
C.
D.



17/04/2007
trailer service and spring brakes will function correctly.
the trailer spring brakes will release and function correctly.
trailer service and spring brakes will not function correctly.
trailer service brakes will function correctly.
AIR BRAKE ENDORSMENT
26

21. A vehicle's brakes must do more work when:

A
B
C
D.



17/04/2007
the vehicle carries less weight.
the vehicle goes slower.
the vehicle carries more weight.
all of the above.
AIR BRAKE ENDORSMENT
27

22.

A.
B.
C.
D.



17/04/2007
When brake chamber pushrod stroke exceeds the adjustment
limit:
the spring brakes will still work normally.
vehicle stopping distances become shorter.
vehicle braking capacity will increase.
braking ability is reduced.
AIR BRAKE ENDORSMENT
28

23.

A.
B.
C.
D.



Air brake systems must comply with the Ontario Highway
Traffic Act and regulations:
only when the vehicle is being tested.
only during an annual safety inspection.
only when they are inspected by enforcement personnel.
at all times when being driven or operated on any road or highway
17/04/2007
AIR BRAKE ENDORSMENT
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
24.

A.
B.
C.
D.



17/04/2007
When conducting an inspection of the air brake system, the
vehicle should be parked securely on a:
hill with the wheels turned toward the curb.
level surface and in any location.
hill with the wheels turned away from the curb.
level surface and in a safe location.
AIR BRAKE ENDORSMENT
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
25.

A.
B.
C.
D.



17/04/2007
When inspecting the foundation brake components, the driver
must look for:
brake lining that is not against the drum when brakes are applied.
brake lining that is too thin or cracked.
grease or oil on the brake lining.
all of the above.
AIR BRAKE ENDORSMENT
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
26

A.
B.
C.
D.



17/04/2007
When inspecting visible air brake hoses and tubes, the driver
must check for:
audible air leak.
damaged or worn air line.
improper fitting used to connect or repair an air line.
all of the above.
AIR BRAKE ENDORSMENT
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
27.

A. raised from the normal operating range until the device activates.
B. raised from zero until the device de-activates.
C. reduced from the normal operating range until the device
activates.
D. reduced from 414 kPa (60 psi) until the device de-activates.



17/04/2007
To test the low air warning device, the ignition switch must be
turned on and air pressure must be:
AIR BRAKE ENDORSMENT
33

28. Air compressor cut-in pressure must never be less than:

A.
B.
C.
D.



17/04/2007
414 kPa (60 psi).
828 kPa (120 psi).
552 kPa (80 psi).
932 kPa (1 35 psi).
AIR BRAKE ENDORSMENT
34

29.

A.
B.
C.
D.



17/04/2007
The air loss rate on a towing vehicle with two or more trailers
must not exceed:
28 kPa (4 psi) per minute.
41 kPa (6 psi) Far minute.
55 kPa (8 psi) per minute.
7 kPa (1 psi) per minute.
AIR BRAKE ENDORSMENT
35

30. When a driver finds a brake that is out of adjustment:

A. the vehicle must not be dirven or operated on any road or
highway.
B. it must be corrected before entering an inspection station.
C. it must be corrected at the next annual inspection.
D. it must be corrected the next time the vehicle is serviced.



17/04/2007
AIR BRAKE ENDORSMENT
36

31. Drivers who are certified to re-adjust air brakes may do so on:

A. all commercial vehicles.
B. vehicles with manual slack adjusters.
C. vehicles with automatic slack adjusters.
D.
trucks, tractors and buses only.



17/04/2007
AIR BRAKE ENDORSMENT
37

32 .

A.
B.
C.
D.



17/04/2007
The brake systems on most large commercial vehicles use:
compressed air to apply the brakes.
steam to apply the brakes.
water to apply the brakes.
brake fluid to apply the brakes.
AIR BRAKE ENDORSMENT
38

33. A governor controls air compressor:

A.
B.
C.
D.



17/04/2007
temperature.
speed and pressure.
cut-in and cut-out pressures.
temperature and speed.
AIR BRAKE ENDORSMENT
39

34. To check the air pressure in a vehicle's air brake system, a driver:

A.
B.
C.
D.



17/04/2007
reads the gauges on the instrument panel.
makes a full brake application.
operates the engine at fast idle.
waits for governor cut-out.
AIR BRAKE ENDORSMENT
40

35. Manually-operated front wheel limiting valves are:

A. used to reduce the force of the service brakes on the front
steering axle.
B. only found on new vehicles to disable front steering axle brakes.
C. used to limit the number of times that brakes can be applied.
D. -used to reduce the brake force on trailer axle brakes.



17/04/2007
AIR BRAKE ENDORSMENT
41

36.
When air brake system pressure drops below 414 kPa (60 psi)
the spring brakes:

A.
B.
C.
D.
will automatically release.
will automatically apply.
must be manually applied.
must be manually released.



17/04/2007
AIR BRAKE ENDORSMENT
42

37. The trailer hand valve is used to:

A.
B.
C.
D.



release the trailer spring brakes.
apply the trailer spring brakes.
release the towing vehicle spring brakes.
apply the trailer service brakes.
17/04/2007
AIR BRAKE ENDORSMENT
43

38.

A. causes the brakes to go out of adjustment more easily.
B. helps maintain steering control during emergency braking.
C. causes poor steering and directional stability in all driving
situations.
D. can cause loss of steering control.



17/04/2007
Using anti-lock braking systems (ABS) to prevent the wheels
from locking:
AIR BRAKE ENDORSMENT
44

39.

A.
B.
C.
D.



Anti-lock braking systems (ABS) use warning indicator lights to
indicate:
the system temperature.
malfunctions of the system.
wheel skidding.
none of the above.
17/04/2007
AIR BRAKE ENDORSMENT
45

40.

A.
B.
C.
D.



17/04/2007
To prevent vehicle movement during an inspection of the air
brake system, a driver should use:
the service brakes.
the spring brakes.
wheel chocks or blocks.
the brake pedal.
AIR BRAKE ENDORSMENT
46

41. When inspecting the brake chambers, the driver must look for:

A.
B.
C.
D.



17/04/2007
air leaks, cracks and manufactured holes.
manufactured air leaks and cracks.
contaminated brake lining.
air leaks, cracks and non-manufactured holes.
AIR BRAKE ENDORSMENT
47

42. When inspecting the air tanks, the driver must look for:

A.
B.
C.
D.



17/04/2007
loose air compressor governor.
improperly spliced air line.
insecurely mounted air tank.
none of the above.
AIR BRAKE ENDORSMENT
48

43.

A.
B.
C.
D.



17/04/2007
The low air warning device must activate before air pressure
drops to:
621 kPa (90 psi).
518 kPa (75 psi).
380 kPa (55 psi).
31 1 kPa (45 psi).
AIR BRAKE ENDORSMENT
49

44. A properly functioning air brake system:

A.
S.
C.
D.



17/04/2007
will lose air at a noticeable rate.
has many noticeable air leaks.
will lose air at a noticeable rate when the engine is not running.
should not have any noticeable air leaks.
AIR BRAKE ENDORSMENT
50

45.

A.
B.
C.
D.



17/04/2007
When air loss from an air brake system exceeds the
prescribed limits:
the vehicle must be driven slowly on the highway.
the vehicle may not be driven on any road or highway.
the vehicle must be driven to the nearest service centre.
the vehicle must be driven only on secondary roads.
AIR BRAKE ENDORSMENT
51

46.

A.
B.
C.
D.



17/04/2007
Repair and re-adjustment of all types of air brakes may be
performed by:
licensed drivers.
certified drivers.
certified technicians.
drivers with a valid air brake endorsement.
AIR BRAKE ENDORSMENT
52

47 . hen air brakes are applied or released, the brakes will respond:

A.
B.
C.
D.



17/04/2007
after a split-second delay.
directly and immediately.
slower at slow speed.
faster at high speed.
AIR BRAKE ENDORSMENT
53

48.

A.
B.
C.
D.



17/04/2007
Vehicles with air brakes must have air pressure gauges that
indicate the pressure in the:
brake chambers.
air compressor.
air compressor governor.
primary and secondary air tanks.
AIR BRAKE ENDORSMENT
54

49. Air brake chamber pushrod stroke is the result of:

A.
B.
C.
D.



17/04/2007
moisture entering the air tanks.
compressed air entering the air tanks.
compressed air entering the brake chamber.
brakes that are out of adjustment.
AIR BRAKE ENDORSMENT
55

50.

A.
B.
C.
D.



17/04/2007
When a vehicle's service brakes fail to apply, emergency
brakes can be applied by using the:
brake pedal.
spring brake control valve.
tractor protection valve.
trailer hand valve.
AIR BRAKE ENDORSMENT
56

51. A trailer supply valve is usually:

A. located in the same position in all commercial vehicles.
S. pulled to release spring brakes and pushed to apply service
brakes.
C. a toggle-type valve that supplies air to the trailer and is located in
the same position all vehicles.
D. a push/pull type valve located near the driver that supplies air to
the trailer.



17/04/2007
AIR BRAKE ENDORSMENT
57

52. The ability of the brakes to stop a vehicle:

A.
B.
C.
D.



17/04/2007
is the same for all vehicle weights.
may be lost when a vehicle is overloaded.
improves as speed increases.
all of the above.
AIR BRAKE ENDORSMENT
58

53. Anti-lock braking systems (ABS):

A.
B.
C.
D.



17/04/2007
prevent wheel lock and may reduce steering control.
cause wheel lock but may not shorten vehicle stopping distance.
prevent wheel lock but may not shorten vehicle stopping distance.
cause wheel lock to shorten vehicle stopping distance.
AIR BRAKE ENDORSMENT
59

54.

A.
B.
C.
D.



17/04/2007
When a vehicle’s brakes do not comply with the Ontario
Highway Traffic Act and regulation
only the driver may be charged.
only the vehicle operator may be charged.
the driver will not be charged.
both the vehicle operator and the driver may be charged.
AIR BRAKE ENDORSMENT
60

55 .

A. the same effective length and brake chambers are the same size.
B. the same effective length and brake chambers are not the same
size.
C. not the same effective length and brake chambers are the same
size.
D. not the same size and brake chambers are not the same effective
length.



17/04/2007
When inspecting the brake chambers on each side of a
steering axle, the driver must ensure that slack adjusters are:
AIR BRAKE ENDORSMENT
61

56.

A.
B.
C.
D.



17/04/2007
When inspecting the air compressor drive belt, the driver must
look for:
loose belt.
cut belt.
frayed belt.
all of the above.
AIR BRAKE ENDORSMENT
62

57. To test air pressure build-up time, the engine must be running at:

A.
B.
C.
D.



17/04/2007
400 to 500 rpm.
600 to 900 rpm.
2000 to 21 00 rpm.
1 000 to 1500 rpm.
AIR BRAKE ENDORSMENT
63

58.
To test the tractor protection valve, the driver must check for
air exhausting from the:





A. trailer supply line with the trailer air supply valve open (pushed in).
B. trailer supply line with the trailer air supply valve closed
(pulled out).
C. trailer service line with the trailer supply valve closed (pulled out).
D. trailer service line with the trailer supply valve open (pushed in).
17/04/2007
AIR BRAKE ENDORSMENT
64

59. A brake having an exposed pushrod is out of adjustment when:

A. the pushrod stroke exceeds the adjustment limit of the brake
chamber.
B. the angle between the slack adjuster and pushrod is less than 90
degrees.
C. the angle between the slack adjuster and pushrod is more than
90 degrees.
D. air pressure drops more that 55 kPa (8 psi) when brakes are
applied.



17/04/2007
AIR BRAKE ENDORSMENT
65

60.

A.
B.
C.
D.



17/04/2007
The type of air brake components on most large commercial
vehicles are either:
drum or hydraulic brakes.
air or disc brakes.
wet or dry brakes.
drum or disc brakes.
AIR BRAKE ENDORSMENT
66

61.

A.
B.
C.
D.



17/04/2007
Driving a vehicle with an air brake system that is outside the
normal operating pressure range is:
safe only for a short period of time.
not safe at any time.
safe only at high speed.
unsafe only when going down a hill.
AIR BRAKE ENDORSMENT
67

62. Safety valves prevent:

A.
B.
C.
D.



17/04/2007
overheating of the air tanks.
draining of the air tanks.
overpressure of the air brake system.
loss of air tanks.
AIR BRAKE ENDORSMENT
68

63. Each air brake chamber style, type and size has a specific:

A. colour.
B. adjustment limit.
C.- mounting position.
D. all of the above.



17/04/2007
AIR BRAKE ENDORSMENT
69

64. When a vehicle's brakes are out of adjustment:

A.
B.
C.
D.



17/04/2007
the spring brakes are not affected.
the spring brakes may not stop or hold a vehicle.
the spring brakes will hold the vehicle stationary.
service brake performance is not affected.
AIR BRAKE ENDORSMENT
70

65. A tractor protection valve:

A.
B.
C.
D.



17/04/2007
causes towing vehicle spring brakes to apply in an emergency.
prevents loss of air out of the towing vehicle.
causes the trailer service brakes to apply in an emergency.
prevents air loss form the trailer supply line.
AIR BRAKE ENDORSMENT
71

66 Wedge brake components include:

A.
B.
C.
D.



17/04/2007
brake drums and brake shoes.
camshafts and brake calipers.
rotors and brake drums.
calipers and rotors.
AIR BRAKE ENDORSMENT
72

67. High brake temperatures can result from:

A.
B.
C.
D.



17/04/2007
repeated brake use driving down a long or steep hill.
repeated brake use in stop and go traffic.
severe braking.
all of the above.
AIR BRAKE ENDORSMENT
73

68.

A.
B.
C.
D.



17/04/2007
Drivers must be careful when conducting an inspection of the
air brake system to avoid:
unexpected vehicle movement.
compressed air exhausting from components.
moving vehicle parts.
all of the above.
AIR BRAKE ENDORSMENT
74

69.

A. audible air leak.
B. damaged or worn air line.
C. improper filling used to connect or repair an air line.
D. all of the above.



17/04/2007
When inspecting visible air brake hoses and tubes, the driver
must check for:
AIR BRAKE ENDORSMENT
75

70.

A. 1 minute.
B. 3 minutes.
C. 2 minutes.
D. 4 minutes.



17/04/2007
When testing air pressure build-up time, pressure must build
from 587 to 690 kPa (85 to 1 00 psi) within:
AIR BRAKE ENDORSMENT
76

71.

A. trailer service line with the brake pedal pressed.
B. trailer supply line with the brake pedal pressed.
C. trailer service line with the brake pedal released.
D. trailer supply line with the brake pedal released.



17/04/2007
A tractor protection valve is defective if the trailer supply valve
is closed (pulled out) and air exhausts from the:
AIR BRAKE ENDORSMENT
77

72 .

A. dirt and dust.
B. moisture.
C. oil.
D. all of the above.



17/04/2007
The air that exhausts from an air brake system can carry:
AIR BRAKE ENDORSMENT
78

73. When a low air pressure warning device activates, the driver must

A.
B.
C.
D.



17/04/2007
drive the vehicle until brakes come on automatically.
come to a safe stop as soon as possible.
replace the warning device.
drain the moisture out of the supply (wet) tank.
AIR BRAKE ENDORSMENT
79

74. Spring brake chambers:

A.
B.
C.
D.



17/04/2007
are larger than service brake chambers.
are smaller than service brake chambers.
always have square ports.
are less likely to be out of adjustment than service brake
chambers.
AIR BRAKE ENDORSMENT
80

75. The air brake system on a trailer includes:

A.
B.
C.
D.



17/04/2007
air tanks and air compressors.
air tanks and automatic evaporator valves.
wet and dry air tanks.
air tanks and automatic spring brake application.
AIR BRAKE ENDORSMENT
81

76.

A. trailer spring brakes will automatically apply.
B. towing vehicle spring brakes will automatically apply.
C . trailer spring brakes will automatically release.
D . towing vehicle spring brakes will automatically release.



17/04/2007
When the air pressure in the trailer supply line drops below
414 kPa (60 psi):
AIR BRAKE ENDORSMENT
82

77. Trailer spring brakes must apply automatically when the:

A.
B.
C.
D.



17/04/2007
trailer supply valve is opened (pushed in).
spring brake valve is opened (pushed in).
trailer supply valve is closed (pulled out).
trailer hand valve is released.
AIR BRAKE ENDORSMENT
83

78 .

A.
B.
C.
D.



17/04/2007
Air compressors:
are filled with brake fluid.
generate heat to stop a vehicle.
force air into a smaller space.
all of the above.
AIR BRAKE ENDORSMENT
84

79. An air dryer removes moisture, which is expelled when the:

A.
B.
C.
D.



17/04/2007
low air warning device activates.
driver applies the service brakes.
compressor reaches cut-out pressure.
spring brakes are applied.
AIR BRAKE ENDORSMENT
85

80.

A.
B.
C.
D-



17/04/2007
The part inside a spring brake chamber that can be hazardous
is the:
rubber diaphragm.
return spring.
large coil spring.
release pushrod.
AIR BRAKE ENDORSMENT
86

81. Trailer couplers or 'gladhands' are used to connect the:

A.
B.
C.
D.



17/04/2007
towing vehicle supply line to the trailer service line.
towing vehicle air brake system to the trailer air brake system,
towing vehicle service line to the trailer supply line.
lights on the trailer to the towing vehicle.
AIR BRAKE ENDORSMENT
87

82.

A.
B.
C.
D.



17/04/2007
A trailer with ‘spring brake’ priority allows the trailer spring
brakes to release before:
towing vehicle service brakes will operate.
trailer service brakes will operate.
trailer spring brakes will release.
trailer service brakes will release.
AIR BRAKE ENDORSMENT
88

83.

A.
B.
C.
D.



17/04/2007
To test the spring brakes, the driver should apply them and
attempt to move the vehicle by:
applying full engine power in a high gear.
applying engine power gently in a low gear.
applying the service brakes in any gear.
releasing the spring brakes in any gear.
AIR BRAKE ENDORSMENT
89

84.

A.
B.
C.
D.



17/04/2007
When a trailers service brakes fail to apply, the trailer spring
brakes can be applied by using the:
tractor protection valve.
trailer hand valve.
trailer supply valve.
brake pedal.
AIR BRAKE ENDORSMENT
90

85.

A.
B.
C.
D.



17/04/2007
The air loss rate on a single vehicle (bus, tractor or truck) must
not exceed:
21 kPa (3 psi) per minute.
41 kPa (6 psi) per minute.
55 kPa (8 psi) per minute.
7 kPa (1 psi) per minute.
AIR BRAKE ENDORSMENT
91

86.

A.
B.
C.
D.



17/04/2007
If a vehicle moves while the spring brakes are applied, the
vehicle has:
defective spring brakes.
properly adjust6d service brakes.
a defective brake pedal.
properly adjusted spring brakes.
AIR BRAKE ENDORSMENT
92

87.

A
B
c
D.



17/04/2007
'S‘ cam brake components include:
rotors and brake drums.
camshafts and brake calipers.
camshafts and brake shoes.
calipers and rotors.
AIR BRAKE ENDORSMENT
93

88. While draining a vehicle's air tanks, the driver must watch the:

A.
B.
C.
D.



17/04/2007
trailer supply line for air exhausting.
discharge of air from the trailer service line.
discharge from the air tank for abnormalities.
function of the governor cut-out.
AIR BRAKE ENDORSMENT
94

89. Disc brake components include:

A.
B.
C.
D.



17/04/2007
rotors and brake drums.
camshafts and brake calipers.
camshafts and brake shoes.
calipers and rotors.
AIR BRAKE ENDORSMENT
95





90.
A.
B.
C.
D.
17/04/2007
An air tank drain valve that fails to function:
is a normal condition of the air brake system.
is a defect of the air brake system.
indicates a defective air compressor governor.
indicates a defective brake pedal.
AIR BRAKE ENDORSMENT
96
That's it!
Before you run, time to review!
17/04/2007
AIR BRAKE ENDORSMENT
97
Thank You
From the Joint Health and
Safety Committee
‘Your Partner in Health and
Safety’