COMBINATION TEST COLORADO - PRACTICE TEST
11.
Your vehicle has hydraulic brakes. When you press the brake pedal while driving and the pedal goes to the floor, remember that:
|
pumping the brake pedal may generate enough hydraulic pressure to stop the vehicle.
|
|
|
shifting into neutral may help slow the vehicle.
|
|
|
the parking brake should never used to slow the vehicle.
|
|
|
All of the above.
|
12.
Brake fade results from, and is affected by:
|
excessive heat caused by not relying on the engine braking effect.
|
|
|
excessive heat caused by using the brakes too much.
|
|
|
brakes out of adjustment.
|
|
|
All of the above.
|
13.
When driving a combination vehicle, which of the following 2 things will help you prevent a rollover?
|
Keeping cargo near the center of the vehicle and driving slowly on the highway.
|
|
|
Keeping cargo near the center of the vehicle and driving slowly on turns.
|
|
|
Keeping cargo near the ground and driving slowly on the highway.
|
|
|
Keeping the cargo near the ground and driving slowly around turns.
|
14.
Radial and bias-ply tires:
|
should be used together.
|
|
|
should be used together only when driving in packed snow.
|
|
|
should not be used together.
|
|
|
should be used together only during bad weather.
|
15.
Livestock:
|
should always be placed in the rear of the trailer.
|
|
|
should never be carried on a trailer.
|
|
|
can move around in a trailer and cause unsafe handling.
|
|
|
should never be kept bunched together.
|
16.
Which of the following may have reduced the clearances since the heights were posted at bridges and overpasses?
|
The weight of a cargo
|
|
|
Rain
|
|
|
Traffic
|
|
|
Repaving of the road
|
17.
When your vehicle goes around a corner, the rear wheels follow a different path than the front wheels. This is called:
|
off-tracking.
|
|
|
skidding.
|
|
|
front-rear tracking.
|
|
|
path-breaking.
|
18.
Glad hands are used to:
|
the air compressor is connected to the engine.
|
|
|
connect the electrical lines from the truck or tractor to the trailer.
|
|
|
connect the brakes from the truck or tractor to the trailer.
|
|
|
connect the service and emergency air lines from the truck or tractor to the trailer.
|
19.
What is the proper following distance for a 50 foot truck traveling at 50 mph?
|
10 seconds
|
|
|
5 seconds
|
|
|
6 seconds
|
|
|
25 seconds
|
20.
When backing a trailer, you should:
|
turn the steering wheel toward the direction you want to go.
|
|
|
pull-up frequently to reposition the vehicle.
|
|
|
avoid braking.
|
|
|
not back up in a straight line.
|
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More