Q.1
When traveling down a steep downgrade:
Q.2
Vehicles equipped with Anti-Lock Braking Systems (ABS) have ____ malfunction lamps to indicate when the ABS is not working.
Q.3
In a vehicle with dual parking control valves, a separate air tank can be used:
Q.4
The rods in S-cam brakes move the slack adjusters when air pressure is added to the brake chambers. This air pressure is added to the chambers when the driver:
Q.5
During an applied leakage test, the maximum leakage rate for a triple combination vehicle is ____ in a minute.
Q.6
Air storage tanks:
Q.7
What tells you how much pressure is in your vehicle's air tanks?
Q.8
On flat surfaces, wheel chocks:
Q.9
Before driving a vehicle with air brakes, you should ensure that the ____ come on automatically when air pressure falls below 45 psi.
Q.10
Air tank drains:
Q.11
What can happen if the air pressure gets too low in an air brake system?
Q.12
Once the air tanks are at an air pressure level of 125 psi, the air compressor governor will:
Q.13
When stopping in an emergency situation, you should:
Q.14
What kind of force do emergency brakes use?
Q.15
Friction in an S-cam brake is caused when the brake shoes and linings:
Q.16
When parked on a flat surface, you should:
Q.17
Anti-Lock Braking Systems (ABS):
Q.18
Which of the following is not part of a vehicle’s air brake system?
Q.19
A ____ allows a driver to gradually apply spring brakes.
Q.20
An air compressor governor controls:
Q.21
When the spring brakes are on, you should never:
Q.22
The leakage rate for a triple combination vehicle with air brakes should be no more than ____ in one minute during a static leakage test.
Q.23
A wig wag is:
Q.24
In a dual air brake system, if one air system is very low on pressure:
Q.25
What is often found in compressed air?
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