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CDL DOUBLES TRIPLES PRACTICE TEST INDIANA

11. When should you downshift automatic transmissions?
When going down steep grades.
When you start to get drowsy.
Watch your tachometer, and downshift when your engine reaches the top of the range.
When you want to go faster.
12. Empty trucks:
require a shorter stopping distance than full trucks.
require the same stopping distance than full trucks.
require a greater stopping distance than full trucks.
None of the above.
13. You should always try to back toward the driver's side because:
you can more easily correct any steering errors.
backing toward the left side is more dangerous.
you can watch the rear of your vehicle out the side window.
None of the above.
14. Alcohol:
impairs depth perception.
improves reaction time.
improves muscle coordination.
does not affect judgement.
15. During freezing weather, which area is most likely to be slippery after it rains?
Bridges.
Shaded areas.
Roads that look wet.
All of the above.
16. The best advice for driving in fog is:
use high beams.
drive slowly in the left lane of traffic.
use low beams.
don't drive.
17. Front-end header boards:
should never be used.
reduce traction.
protect drivers from spilled cargo.
protect drivers from cargo in case of an accident or emergency stop.
18. ABS helps you:
decrease your average speed.
decrease your overall stopping distance.
keep the wheels from locking up.
lock your wheels.
19. Texting while driving a CMV is:
acceptable if the message work-related.
safer than talking on the phone.
acceptable if the message less than 140 characters.
prohibited.
20. If your vehicle thumps or vibrates heavily, it may be a sign that:
the brakes have failed.
you need to shift up.
one of the tires has gone flat.
the engine belt is loose.
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