GA CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST

21. What is an important thing to remember about emergency braking?
You should never use stab braking.
Pushing down on the brake pedal as hard as you can will only keep the wheels locked up and cause a skid.
Your natural response (hitting the brakes) is never the right solution.
The more heavily loaded semitrailer trailer should be in the rear.
22. If you are driving in fog, you should not:
use high beams.
slow down.
turn on the 4-way emergency flashers.
All of the above.
23. Brake fade results from:
using brakes in cold weather.
excessive heat caused by using brakes too much.
wet brakes.
All of the above.
24. What are the two basic reasons for covering cargo?
To protect people from spilled cargo and the cargo from weather.
To protect the cargo from pilferage and from weather.
To protect people from spilled cargo and the cargo from pilferage.
To protect the cargo from weather and to avoid littering.
25. If during vehicle inspection a tire is too hot to touch, you should:
make sure there is enough engine oil on the tires.
remain stopped until the tire cools off.
let air out.
immediately decrease air pressure.
26. You should downshift:
before starting up a hill.
before starting down a hill or entering a curve.
before exiting a curve.
None of the above.
27. Emergency lines are often coded with the color ___ to keep from getting them mixed up with the service line.
blue.
white.
red.
yellow.
28. Hazardous materials placards are:
Signs put on the outside of a vehicle to warn others of hazardous materials.
Signs put on top of a vehicle that identify the hazard class of the cargo.
Signs put on the outside of a vehicle that identify the hazard class and weight of the vehicle.
None of the above.
29. If you have a manual transmission, when stopping don't _______ until the engine rpm is down close to idle.
push the clutch in
shift to second gear
place the transmission in park
apply the brakes
30. What is an advantage of going right instead of left around an obstacle?
If an oncoming driver has drifted into your lane, their natural response will be to brake suddenly.
No one is likely to be passing you on the left, but someone may be driving on the shoulder.
There is no real advantage.
If you are blocked on both sides, a move to the right won't force anyone into an opposing traffic lane and a possible head-on accident.
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