CDL PRACTICE TEST (DE) - GENERAL KNOWLEDGE TEST
11.
If a tire blows out, you should:
|
keep a firm grip on the steering wheel and stay off the brake until the vehicle has slowed down.
|
|
|
keep driving until you reach the next service station.
|
|
|
immediately head for the side of the road.
|
|
|
fully apply the brakes while holding the steering wheel firmly.
|
12.
You should use your four-way emergency flashers:
|
when driving at night.
|
|
|
while crossing railroad tracks.
|
|
|
when parked at the side of the road.
|
|
|
None of the above.
|
13.
When driving through a construction zone, you should:
|
maintain your speed, unless there are people working on or near the roadway.
|
|
|
watch for pavement drop-offs.
|
|
|
turn on your parking lights.
|
|
|
immediately come to a full stop and check for pedestrians.
|
14.
To avoid being blinded by the high beams of an oncoming vehicle:
|
look at the right side of the road.
|
|
|
don't look directly at bright lights when driving.
|
|
|
watch the sidelines when someone coming toward you has very bright lights on.
|
|
|
All of the above.
|
15.
The wheels of a large combination vehicle are more likely to lock up when:
|
the vehicle is heavily loaded.
|
|
|
the trailer has new tires.
|
|
|
you are traveling in very hot weather.
|
|
|
the vehicle is lightly loaded.
|
16.
To check the signal lights, do the following:
|
Turn on all the lights, turn off the stop lights, and turn off the left turn signal lights.
|
|
|
Turn on the stop lights, turn on all the lights, and turn on the right turn signal lights.
|
|
|
Turn off all the lights, turn on the right turn signal lights, and turn on the stop lights.
|
|
|
Turn off all the lights, turn on the stop lights, and turn on the left turn signal lights.
|
17.
What should you do if you doubt you have safe space to pass under a low bridge?
|
If no warnings are posted, assume there is enough clearance under the bridge and proceed slowly.
|
|
|
Go slowly, and take another route if you are not sure you can make it.
|
|
|
Assume that the height posted at the bridges is correct.
|
|
|
Increase the weight of your vehicle to clearing under the bridge.
|
18.
When driving a 50 foot vehicle at 50 mph, how much space should you keep in front of you?
|
5 seconds
|
|
|
3 seconds
|
|
|
4 seconds
|
|
|
6 seconds
|
19.
To warn drivers behind you when you see you'll need to slow down, you should:
|
use your headlights.
|
|
|
flash the brake lights.
|
|
|
turn off your lights.
|
|
|
sound your horn.
|
20.
HAZMAT placards are:
|
warning signs
|
|
|
regulatory signs
|
|
|
optional signs
|
|
|
speed signs
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More