NJ CDL COMBINATION TEST - PRACTICE TEST

11. If the ABS is not working:
the vehicle will have weak brakes.
you still have normal brake functions.
the vehicle will have no brakes.
None of the above.
12. When checking the air and electric lines to the trailer, be sure that the air lines are properly connected to the gland hands, and are:
secured with enough slack for turns.
properly greased.
secured with enough air leaks for turns.
None of the above.
13. A burning tire must be:
cooled with water.
covered with cloth.
immediately removed from the vehicle.
None of the above.
14. When your vehicle goes around a corner, the rear wheels follow a different path than the front wheels. This is called:
off-tracking.
skidding.
front-rear tracking.
path-breaking.
15. When checking air brakes on combination vehicles, which of the following is NOT part of checking that air flows to all trailers?
Using the trailer handbrake to provide air to the service line.
Pulling tractor forward until the fifth-wheel comes out from under the trailer.
Going to the rear of the rig.
Opening the emergency line shut-off valve at the rear of the last trailer.
16. To reduce the chance of rollover, you should:
distributed the cargo as low as possible inside the trailer.
place the cargo as high as possible inside the trailer.
put the lightest parts of the cargo under the heaviest parts.
None of the above.
17. Cargo should be properly covered:
to block your view or someone else’s.
to protect people from spilled cargo.
to protect the weather from the cargo.
All of the above.
18. As you approach off ramps and on ramps, remember:
that downgrades make it easier to reduce speed.
to always brake and turn at the same time.
that the posted speed limit may not be safe for larger vehicles.
to maintain your highway speed.
19. By pushing the trailer air supply control knob in, you:
shut the air off and put on the trailer emergency brakes.
supply the tires with air.
supply the trailer with air.
keeps air in the tractor or truck brake system.
20. When approaching a vehicle with a distracted driver, you should:
change lanes quickly.
quickly pass the vehicle.
maintain your safe following distance.
sound your horn.
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