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ME CDL DOUBLES TRIPLES TEST - PRACTICE TEST

11. You have two tie-downs on a 15 foot load. How many more tie-downs do you need to secure cargo and keep it from shifting or falling?
None
One
Two
12. If a load is 50 feet long, the minimum number of tie-downs required is:
10
5
4
13. When coupling, you should:
be aware that wrong coupling and uncoupling can be very dangerous.
make sure the trailer kingpin is bent.
make sure the trailer wheels are not chocked.
14. During a walk around inspection of a combination vehicle, drivers should check that:
all locking pins are present and locked in place.
the glide plate is securely mounted to the trailer frame.
All of the above.
15. You hear a loud "bang" which sounds like a tire blowout. You should:
check the tires at the next stop.
assume you have a tire failure.
keep driving as normal.
16. Which of the following may have reduced the clearances since the heights were posted at bridges and overpasses?
Rain
Repaving of the road
The weight of a cargo
17. Retarders:
help slow a vehicle, reducing the need for using brakes.
reduce braking distance.
improve gas mileage.
18. You are driving a modern truck with a manual transmission. When going down a hill you should usually:
shift into neutral and coast.
use a lower gear than would be required to go up the hill.
use the same gear you would use to go up the hill.
19. When you turn suddenly while pulling doubles, which trailer is most likely to turn over?
The front trailer is twice as likely to turn over as the tractor.
All trailers are equally likely to turn over.
The rear trailer is twice as likely to turn over as the tractor.
20. Many large vehicles have convex (curved, "spot, "fisheye") mirrors. Convex mirrors:
are illegal in most states.
misrepresent reality by showing a larger area than flat mirrors.
make things look smaller and farther away than they really are.
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