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DOUBLES TRIPLES TEST NE - CDL PRACTICE TEST

11. Empty trucks require _____ stopping distances because empty vehicles have ______ traction.
less; more
greater; more
greater; less
less; less
12. If a load is 10 feet long, the minimum number of tie-downs required is:
4
1
2
3
13. The posted speed limit for a curve:
is safe for trucks or buses, but it may be too fast for cars.
may be too fast for many trucks or buses.
is safe for all vehicles.
is optional and may be exceeded.
14. When driving a double or triple:
the more heavily loaded trailer should be in the rear.
the lighter trailer should be directly behind the tractor.
the more heavily loaded trailer should be directly behind the tractor.
all trailers should have the same weight.
15. When coupling twin trailers, the more heavily loaded semitrailer should:
be in first position behind the tractor.
have chocked wheels.
have its brakes locked.
be in the rear.
16. ABS:
improves your visibility at night.
helps you stop faster.
helps you avoid skids caused by over braking.
may cause your wheels to lock when you break hard.
17. Placards are:
a type of safety equipment.
devices placed below a vehicle to improve traction.
signs placed on a vehicle to identify the hazard class of the cargo.
signs put inside a vehicle used to warn others of hazardous materials.
18. With an engine fire, you should:
not shoot foam from the vehicle’s underside.
turn the engine off as soon as possible.
open the hood as soon as possible.
All of the above.
19. No matter how small the cargo is, it should have at least:
6 tie-downs.
1 tie-down.
2 tie-downs.
4 tie-downs.
20. Hanging meat in a refrigerated truck:
should never be transported.
creates a low center of gravity.
can be a very unstable load.
will not affect safe driving ability.
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