Q.1
Doubles combinations:
Q.2
Using a helper when backing up a large vehicle is:
Q.3
If using spring brakes when hauling a heavy load, a complete stop will:
Q.4
If you doubt that you have enough space to safely drive under a bridge or sign, you should:
Q.5
What can happen if the exhaust system is not working properly?
Q.6
During a trip, landing gear should be:
Q.7
Anti-Lock Braking Systems (ABS):
Q.8
Before driving a power steering-equipped vehicle, you should make sure that:
Q.9
If a vehicle begins to hydroplane, the driver should:
Q.10
While operating on a downgrade, you should brake until you reach a speed that is:
Q.11
Fully-loaded rigs:
Q.12
You should maintain at least ____ of following distance per every 10 feet of your vehicle when you are traveling more slowly than 40 mph.
Q.13
If planning to change lanes, your mirrors should:
Q.14
If the emergency air line loses pressure:
Q.15
In a double or triple combination, the ____ trailer should be directly behind the cab.
Q.16
If the safety relief valve in the air brake system releases air:
Q.17
If you see taillights ahead while you are driving in fog:
Q.18
When traveling in heavy traffic, the safest driving speed is:
Q.19
Routine vehicle inspections should be done to ensure:
Q.20
Brake fade is a result of:
0 h : 0 m : 1 s