AIR BRAKES PRACTICE TEST - PENNSYLVANIA
11.
After starting the engine, oil pressure should rise to a normal level:
|
within 2 minutes.
|
|
|
within 6 minutes.
|
|
|
within 3 miles.
|
|
|
within seconds.
|
12.
An ABS system:
|
helps you avoid skids caused by over braking.
|
|
|
gives you more control over the vehicle during braking.
|
|
|
keep your wheels from locking when you brake hard.
|
|
|
All of the above.
|
13.
The stop light switch:
|
tells you when you need to use your parking brake instead of the service brake.
|
|
|
warns you when the air supply pressure drops below 55 psi.
|
|
|
turns on the brake lights when you put on the air brakes.
|
|
|
should be used to fend off tailgaters.
|
14.
How can you tell if your vehicle is equipped with ABS?
|
Look under the vehicle for the wheel speed sensor wires coming from the back of the brakes.
|
|
|
Look for yellow ABS malfunction lamps on the instrument panel.
|
|
|
Trailers will have yellow ABS malfunction lamps on the left side.
|
|
|
All of the above.
|
15.
When driving in a construction zone, if a construction worker is near the road, you should:
|
maintain a constant speed.
|
|
|
further reduce your speed.
|
|
|
come to a complete stop.
|
|
|
speed up.
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More