CDL DOUBLES TRIPLES PRACTICE TEST WEST VIRGINIA

11. When a tire fails, you should:
apply the brakes as hard as you can without locking the wheels.
brake in a way that will keep your vehicle in a straight line.
stay off the brake.
push the brake pedal down gradually.
12. If your trailer starts to skid, you should:
steer in the opposite direction.
pump the brakes.
release the brakes.
lock the brakes.
13. Rims with welding repairs:
are not safe.
are acceptable only when carrying a heavy load.
can be used for tires in the front of the vehicle.
can be used for tires in the rear of the vehicle.
14. 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:
rearward amplification.
strong wind.
the rear trailer of a triple.
worn tire tread.
15. When the wheels of a trailer lock up, which of the following is most likely to occur?
The trailer will tend to push the towing vehicle sideways (tractor jackknife).
The trailer will tend to swing around (trailer jackknife).
The trailer will the trailer has overturn.
The rig will stay in a straight line but slide sideways.
16. Which of the following is not proper tie-down equipment:
Bungee cords
Straps
Chains
Ropes
17. On dry pavement, the braking distance when traveling at 55 mph is about:
216 feet.
61 feet.
419 feet.
142 feet.
18. Who is responsible for inspecting the cargo?
The person who loaded and secured the cargo
The shipper
The driver
The motor carrier
19. When more than one semitrailer is behind the tractor:
The order doesn't matter.
the more heavily loaded trailer should be disconnected.
the lighter trailer should be in the rear.
the more heavily loaded semitrailer should be in the rear.
20. If you will be transporting hazardous materials that require placards, you must:
obtain a hazardous materials endorsement.
obtain a special transit permit.
transport the materials at night only.
ask permission of the local transportation agency.
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