NEW JERSEY CDL PRACTICE TEST - GENERAL KNOWLEDGE

21. If you expect to operate in both excepted and non-excepted intrastate commerce, what type of commercial operation should you disclose?
Standard
Non-excepted
Either excepted or non-excepted
Excepted
22. When approaching a double railroad track, you should:
remember that a train on one track may hide a train on the other track.
expect to hear a train when it's approaching.
rely upon the presence of warning signals.
remember that trains may be more frequent.
23. To check the automatic transmission fluid:
the engine may have to be running.
you should turn the engine off.
you must go down grades.
the wheel nuts must be loose.
24. ABS (anti-lock braking system):
lets you drive faster.
always shortens your stopping distance.
increases your normal braking capability.
keeps your brakes from locking up when you brake hard.
25. Driving at night is _______ driving during the day.
about the same as
more dangerous than
safer than
None of the above.
26. When driving on a long and/or steep downgrade, drivers should:
use a low gear and release the brakes.
release the clutch.
select an appropriate safe speed, and then use a low gear.
accelerate.
27. Air storage tanks:
use parts of the service brake systems to stop the vehicle in a brake system failure.
are installed in the first tank the air compressor pumps air to.
pump air into the air storage tanks.
hold compressed air for the brakes.
28. Which of the following statements about hydroplaning is true?
Hydroplaning is more likely if tire tread is worn.
Hydroplaning is less likely if tire pressure is low.
If your vehicle is hydroplaning, you should use the brakes to slow down.
Hydroplaning usually occurs at speeds lower than 30 mph.
29. For safety during a trip, you should:
use your senses to check for problems.
watch gauges for signs of trouble.
check critical items when you stop.
All of the above.
30. Suspension systems:
specify the loaded weight of a single vehicle.
are rated for the maximum weight the vehicle can pull.
have a minimum weight rating.
have a weight capacity rating.
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