NEVADA CDL COMBINATION PRACTICE TEST
11.
To avoid rollovers, you should drive slowly:
|
off ramps.
|
|
|
on ramps.
|
|
|
around corners.
|
|
|
All of the above.
|
12.
If you must drive slowly, how should you alert following drivers?
|
Turn on your taillights
|
|
|
Help them out by signaling when it is safe to pass
|
|
|
Use your emergency flashers if it is legal
|
|
|
Flash your brake lights
|
13.
If driving a new vehicle, you should familiarize yourself with the controls and equipment:
|
after pulling into a service station.
|
|
|
within the first 50 miles.
|
|
|
as you drive.
|
|
|
before you start driving.
|
14.
If your vehicle thumps or vibrates heavily, it may be a sign that:
|
you need to shift up.
|
|
|
one of the tires has gone flat.
|
|
|
the brakes have failed.
|
|
|
the engine belt is loose.
|
15.
In combination vehicles with air brakes, the trailer air supply control:
|
supplies air to the trailer air tanks.
|
|
|
is a coupling devices used to connect the service and emergency air-lines from the tractor to the trailer.
|
|
|
is used to keep the trailer behind the tractor.
|
|
|
is used to control the tractor protection valve.
|
16.
Banked curves:
|
should always be avoided.
|
|
|
have a safe "design speed".
|
|
|
are reserved for pedestrians.
|
|
|
can be taken at any speed.
|
17.
To avoid rollbacks when you start, you should:
|
release the parking brake only when you have applied enough engine power.
|
|
|
put on the parking brake whenever necessary.
|
|
|
if you have manual transmission, partly engage the clutch before you take your right foot off the brake.
|
|
|
All of the above.
|
18.
Foundation brakes are used:
|
only with the front wheels.
|
|
|
only with the right wheels.
|
|
|
at each wheel.
|
|
|
only with the rear wheels.
|
19.
In a vehicle with a dual air brake system:
|
one system supplies air to the trailer.
|
|
|
each system has its own air tanks.
|
|
|
both systems typically operate the regular brakes on the rear axle.
|
|
|
All of the above.
|
20.
To stop a trailer skid, you should:
|
use the trailer hand brake to straighten out the rig.
|
|
|
release the brakes to get traction back.
|
|
|
countersteer to get traction back.
|
|
|
use the brakes to slow down.
|
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More