FREE NV CDL Doubles Triples Practice Test (2024)

1. If you are carrying a heavy load that is slowing you down, you should:

drive in the right lane.
drive on the shoulder.
keep the vehicle in third gear.
drive in the left lane.

2. Doubles and triples are:

less likely to turn over than other combination vehicles.
more likely to turn over than other combination vehicles because of the "crack-the-whip" effect.
easier to drive than other combination vehicles.
more stable than straight trucks.

3. Combination vehicles have __ air lines.

4. The best advice for driving in fog is:

use low beams.
don't drive.
drive slowly in the left lane of traffic.
use high beams.

5. When you turn suddenly while pulling doubles, which trailer is most likely to turn over?

The front trailer is twice as likely to turn over as the tractor.
All trailers are equally likely to turn over.
The rear trailer is twice as likely to turn over as the tractor.
None of the above.

6. What can cause poor traction?

Too little weight on the driving axles.
Too much weight on the steering axle.
Overloading the truck.
All of the above.

7. Weight that is loaded so there is a high center of gravity:

reduces the chance that the load will shift to the side or fall off.
makes a vehicle easier to handle.
causes greater chance of rollover.
All of the above.

8. You must have at least _____ inch tread depth in every major groove on front tires.

9. If you go twice as fast, your stopping distance will increase by:

10. If you experience a loss of hydraulic pressure, you should do all of the following except:

Put the transmission in Neutral
Pump the brakes
Downshift
Use the parking brake

NEVADA DOUBLES TRIPLES PRACTICE CDL TEST