Q.1
What is another name for the service line?
Q.2
When coupling a trailer:
Q.3
Before driving a vehicle with a dual air brake system, you must wait for the air compressor to build a minimum of ____ in both the primary and secondary systems.
Q.4
When you need to stop in an emergency, you should:
Q.5
A broken exhaust system:
Q.6
What is the average driver’s reaction time?
Q.7
Backing with a trailer is dangerous because:
Q.8
While inspecting coupling equipment before a trip, the air lines should not:
Q.9
What is a concern immediately after it begins raining?
Q.10
Talking on a hands-free phone while driving:
Q.11
If you don't pull a dolly out from beneath the rear trailer before unlocking the pintle hook:
Q.12
Front brake limiting valves were intended to:
Q.13
Which of the following types of vehicles is most prone to the “crack-the-whip" effect?
Q.14
To ensure normal stopping power, drivers of vehicles equipped with a front brake limiting valve should:
Q.15
Steering that feels heavy is often a sign of:
Q.16
A driver should ensure that:
Q.17
Off-ramps:
Q.18
When backing a trailer, how should you turn the steering wheel?
Q.19
When backing a truck, you should:
Q.20
In a double or triple combination, the ____ trailer should be directly behind the cab.
0 h : 0 m : 1 s