Ace Your DMV Written Test with our Guaranteed Cheat Sheet.
Cheat Sheet

New Hampshire CDL Permit Test - Combination

Number of questions: 20
Passing score: 16
Directions: All applicants who are applying for a Class A CDL should be prepared to take the Combination test. This test covers information found in Section 6 of the New Hampshire CDL Driver's Guide. Section 6 provides the information needed to safely operate tractor-trailers, doubles, triples, and straight trucks with trailers. The test is made up of 20 multiple-choice questions, and applicants will have 30 minutes to correctly answer a minimum of 16 questions. The Combination test is not a replacement for the Double/Triple endorsement test.
You have made error so far
Passing grade —
4 or fewer errors
advertising
1.
When lightly loaded, combination vehicles:
Should not be driven.
Have reduced braking capabilities.
Will not rollover.
Should be loaded with most of the weight in the rear of the trailer.
2.
What is another name for the service line?
The control line
The utility line
The open line
The parallel line
3.
What is a tractor protection valve?
A valve to keep air in the brake system should there be a bad leak
A valve that prevents the truck from being stolen
A valve that prevents the driver from going too fast
A valve that prevents the trailer from accidentally being released
4.
Keeping cargo low can:
Prevent a rollover.
Help you drive faster.
Make turns more dangerous.
5.
Test the tractor protection valve by:
Removing the air supply knob.
Removing the parking brake control knob.
Releasing air with the brake pedal.
Releasing air with the gas pedal.
6.
Trailers with low underneath clearance may be difficult to drive:
On interstate highways.
Over railroad crossings.
On dirt roads.
At the posted speed limit.
7.
The service air line is attached to the:
Relay valves.
Supply line.
Emergency air line.
Steering wheel.
Ace Your DMV Written Test
Get your Cheat Sheet Now!

Wait, before you go

Ace your DMV Written Test with our Guaranteed Cheat Sheet.

  • Cheat Sheets Save Time
  • Cheat Sheets pass on your first try