DOUBLES TRIPLES TEST WI - CDL PRACTICE TEST

11. If you go twice as fast, your stopping distance will increase by:
eight times.
two times.
ten times.
four times.
12. Converter dollies with ABS have:
a red lamp on the left side of the dolly.
an orange lamp on the right side of the dolly.
a yellow lamp on the right side of the dolly.
a yellow lamp on the left side of the dolly.
13. When coupling double trailers, you can secure the second trailer by:
setting the trailer emergency brakes.
using the trailer spring brakes.
chocking the wheels.
All of the above.
14. ABS:
helps you stop faster.
helps you avoid skids caused by over braking.
may cause your wheels to lock when you break hard.
improves your visibility at night.
15. When coupling, you should:
make sure the sliding fifth-wheel is locked.
make sure the trailer kingpin is bent.
be aware that wrong coupling and uncoupling can be very dangerous.
make sure the trailer wheels are not chocked.
16. What is the most important reason to inspect your vehicle?
Achieving the best gas mileage.
Vehicle inspection is required by federal and state laws.
Saving money by preventing costly repairs.
Your safety and that of other road users.
17. If you are feeling sleepy, you should:
pull off the road and rest or take a nap.
slow down and drive on the shoulder of the road.
increase your speed to get to the destination quicker.
None of the above.
18. When making a turn you should:
honk your horn.
make gestures to get the attention of other drivers.
signal early.
turn the signal off before entering the turn.
19. Rollovers happen when drivers:
brake too hard.
turn too fast.
turn too slowly.
stop too often.
20. When driving trucks with trailers, drivers should:
decrease their following distance.
push the brake pedal to the floor when braking.
avoid making sudden movements with the steering wheel.
make quick lane changes.
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