ID CDL COMBINATION TEST - PRACTICE TEST
11.
Headache racks:
|
can blind other drivers.
|
|
|
protect you from being hit by your cargo.
|
|
|
help you keep weights within legal limits.
|
12.
If you must stop on a one-way or divided highway, you should place warning devices _______ toward the approaching traffic.
|
5, 50 and 500 feet
|
|
|
5, 25 and 50 feet
|
|
|
10, 100 and 200 feet
|
13.
When checking your tires during a pre-trip inspection, which of the following is acceptable?
|
Dual tires that come in contact with parts of the vehicle
|
|
|
Cracks in the tires
|
|
|
Tires made by different manufacturers
|
14.
Passive railroad crossings:
|
have at least one traffic control device.
|
|
|
should never be crossed using a CMV.
|
|
|
do not have traffic control devices.
|
15.
The center of gravity of a trailer should be:
|
at the rear of the trailer.
|
|
|
as low as possible.
|
|
|
as high as possible.
|
16.
What is the emergency air line for?
|
It tells you the amount of brake pressure you need to stop the vehicle.
|
|
|
It controls the front brakes of the tractor in case of an emergency.
|
|
|
It supplies air to the trailer air tanks, and controls the emergency brakes on combination vehicles.
|
17.
Glad hands are:
|
securement devices.
|
|
|
coupling devices.
|
|
|
warning devices.
|
18.
As part of the final air brake check, you should:
|
Check air compressor governor cut-in and cut-out pressure.
|
|
|
Test air leakage rate.
|
|
|
All of the above.
|
19.
When you park trailers without spring brakes, you should use wheel chocks:
|
to prevent the transmission from shifting up.
|
|
|
to keep the trailer from moving.
|
|
|
to prevent air from escaping.
|
20.
When backing a trailer, turn the wheel right to make the cab go ________ and the trailer go ________.
|
left; left
|
|
|
right; left
|
|
|
left; right
|
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More