CDL COMBINATION PRACTICE TEST NORTH DAKOTA
11.
Overloading can have negative effects on:
|
steering.
|
|
|
braking.
|
|
|
speed control.
|
|
|
All of the above.
|
12.
If you must stop on a one-way or divided highway, you should place warning devices _______ toward the approaching traffic.
|
5, 25 and 50 feet
|
|
|
3, 15 and 45 feet
|
|
|
5, 50 and 500 feet
|
|
|
10, 100 and 200 feet
|
13.
If your vehicle is equipped with air brakes, loss of air pressure in the
emergency line causes:
|
the trailer spring brakes to come on.
|
|
|
the speed of your vehicle to increase.
|
|
|
the trailer emergency brakes to come on.
|
|
|
All of the above.
|
14.
When you back under a trailer:
|
use lowest reverse gear.
|
|
|
make sure the trailer brakes are locked.
|
|
|
back the tractor slowly.
|
|
|
All of the above.
|
15.
When using a fire extinguisher, you should stay:
|
as far away from the fire as possible.
|
|
|
at least 10 feet away from the fire.
|
|
|
as close to the fire as possible, without getting burnt.
|
|
|
at whatever distance you think is safe.
|
16.
What is countersteering?
|
Driving too fast for conditions.
|
|
|
Turning the steering wheel quickly the other way after steering in an emergency situation.
|
|
|
Staying off the brake while steering to the right to avoid an accident.
|
|
|
Locking your wheels while turning in an emergency situation.
|
17.
Older trailers do not have spring brakes. If the air supply leaks away:
|
the ABS won't work properly.
|
|
|
there will be no emergency brakes.
|
|
|
the trailer will stop normally.
|
|
|
All of the above.
|
18.
To avoid rollbacks when you start, you should:
|
if you have manual transmission, partly engage the clutch before you take your right foot off the brake.
|
|
|
put on the parking brake whenever necessary.
|
|
|
release the parking brake only when you have applied enough engine power.
|
|
|
All of the above.
|
19.
If you are driving a 30 foot vehicle at 35 mph, you should leave at least _______ between your vehicle and the vehicle in front of you.
|
1 seconds
|
|
|
3 seconds
|
|
|
2 seconds
|
|
|
4 seconds
|
20.
If a worker is close to the roadway in a work zone, you should:
|
drive at the posted speed limit.
|
|
|
reduce your speed below the posted speed limit.
|
|
|
drive on the shoulder.
|
|
|
pull off the road and stop.
|
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More