COMBINATION TEST VIRGINIA - PRACTICE TEST

11. If an item placed on a flatbed trailer is 7 feet long, it should have __ tie-downs.
7
2
1
12. When you make a quick lane change, the crack-the-whip effect can turn the trailer over. The crack-the-whip effect is caused by:
the rear trailer of a triple.
strong wind.
rearward amplification.
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. When backing a trailer, you should:
try to position your vehicle so you can back in a straight line.
turn the steering wheel in the direction you want to go.
avoid correcting the drift.
15. What is the proper following distance for a 40 foot truck traveling at 35 mph?
4 seconds
12 seconds
10 seconds
16. If you are being tailgated, you should:
move to the left lane.
increase your following distance.
speed up.
17. The use of brakes on a steep downgrade is:
much more effective than the engine braking effect.
a supplement to the braking effect of the engine.
the main braking factor.
18. Which of the following is true about the trailer hand valve?
It should be used only to test the trailer brakes.
The trailer hand valve works the trailer brakes.
All of the above.
19. When you drive a tractor-trailer combination with ABS, you should:
apply the trailer hand brake whe braking.
pump the brakes.
brake as you always have.
20. To secure the tractor you should:
Check that the kingpin and the fifth-wheel are aligned.
Put on the parking brake and put the transmission in neutral.
All of the above.
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