CDL PRACTICE TEST - GENERAL KNOWLEDGE (ALASKA)
41.
When driving on packed snow, you should reduce speed by:
|
10%.
|
|
|
one-third.
|
|
|
a half.
|
42.
After a tire has been changed, you should:
|
deflate the tire to 15 psi.
|
|
|
stop a short while later and check that the nuts are tight.
|
|
|
decrease tire pressure.
|
43.
The safety valve installed in the first tank the air compressor pumps air is set to open:
|
if there is too little pressure.
|
|
|
if there is too much pressure.
|
|
|
at 30 psi.
|
44.
Distracted driving can cause collisions. Which of the following can distract your attention while you are driving?
|
Talking to passengers.
|
|
|
Listening to music.
|
|
|
All of the above.
|
45.
When transporting cargo, cargo securement must be checked within the first _____ miles of a trip and every _____ miles after.
|
100; 150
|
|
|
50; 250
|
|
|
50; 150
|
46.
Which of the following is true about curved mirrors?
|
In a curved mirror things seem closer than they really are.
|
|
|
They are illegal in most States.
|
|
|
In a curved mirror everything appears smaller than it would if you were looking at it directly.
|
47.
When traction is poor, as in rain or snow, you should speed up very gradually. If you don't:
|
you could lose control.
|
|
|
you will exceed the speed limit.
|
|
|
the brakes will not work.
|
48.
If no qualified person is at the accident and an injured person is bleeding heavily, how can you give assistance?
|
Apply direct pressure to the wound.
|
|
|
Poor cold water on the wound.
|
|
|
Look for a doctor.
|
49.
The one-way check valve:
|
keeps your wheels from locking up when you brake hard.
|
|
|
keeps air from going out if the air compressor develops a leak.
|
|
|
supplies air to the trailer air tanks.
|
50.
On
a tractor-trailer equipped with a trailer brake hand
valve, the hand valve can be used to:
|
prevent movement of cargo.
|
|
|
keep from rolling back.
|
|
|
hold compressed air.
|
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More