CDL AIR BRAKES PRACTICE TEST - IDAHO
21.
The parking or emergency brakes of trucks or buses must be held on by:
|
spring pressure.
|
|
|
fluid pressure.
|
|
|
air pressure.
|
22.
When backing a trailer, you should:
|
turn the steering wheel in the direction you want to go.
|
|
|
avoid correcting the drift.
|
|
|
try to position your vehicle so you can back in a straight line.
|
23.
When driving a 60 foot truck at 35 mph in ideal conditions, you should keep at least _______ of space in front of you.
|
6 seconds
|
|
|
12 seconds
|
|
|
5 seconds
|
24.
The tire load rating is stated:
|
on each axle.
|
|
|
on the side of each tire.
|
|
|
inside the suspension system.
|
25.
During a trip you should check:
|
temperature gauges.
|
|
|
pressure gauges.
|
|
|
All of the above.
|
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More