|
May lean during turns.
|
|
|
May add extra support during turns.
|
|
|
May be easier to steer during turns.
|
Virginia CDL Permit Test - Combination
(From the 2021 Virginia CDL driver handbook)
| 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 Commercial Driver License Manual. 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 need to correctly answer a minimum of 16 questions to pass. The Combination test is not a replacement for the Double/Triple endorsement test.
Passing grade —
4 or fewer errors
advertising
1.
If a load is placed on one side of a trailer, the trailer:
2.
A combination vehicle has ____ air line(s).
|
One
|
|
|
Two
|
|
|
Three
|
3.
The "crack-the-whip" effect can:
|
Turn over a trailer.
|
|
|
Be more effective than braking.
|
|
|
Make a truck move faster.
|
4.
What is the Johnson bar?
|
A hand valve that works the trailer brakes
|
|
|
A valve that indicates the fuel level
|
|
|
A valve that limits the amount of cargo
|
5.
Rollovers happen when:
|
You drive too slowly.
|
|
|
You are stopped.
|
|
|
You take a turn too fast.
|
6.
When connecting a converter dolly to a second trailer, the trailer height should be ____ the center of the fifth wheel.
|
Level with
|
|
|
Slightly higher than
|
|
|
Slightly lower than
|
7.
Which of the following will not help prevent a rig from rolling over?
|
Keeping the cargo as close to the ground as possible
|
|
|
Driving slowly around turns
|
|
|
Driving on the shoulder of a road
|
Ace Your DMV Written Test
Get your Cheat Sheet Now!
Get your Cheat Sheet Now!
Wait, before you go
Ace your DMV Written Test with our Guaranteed Cheat Sheet.
