CDL AIR BRAKES PRACTICE TEST - PENNSYLVANIA
11.
Hydroplaning is more likely if:
|
tire tread is worn.
|
|
|
tire pressure is low.
|
|
|
the road is wet.
|
|
|
All of the above.
|
12.
Parking brakes are:
|
not required on trailers.
|
|
|
not required on commercial vehicles with air brakes.
|
|
|
not required on buses.
|
|
|
required on all vehicles.
|
13.
If you must drive through a deep puddle you should:
|
slow down and place transmission in a low gear.
|
|
|
speed up to get through the puddle as quickly as possible.
|
|
|
start slowly and Speed up smoothly and gradually so the vehicle does not jerk.
|
|
|
apply the brakes until your speed reaches 40 mph.
|
14.
When a tire fails, you must:
|
hold the steering wheel firmly.
|
|
|
stay off the brake.
|
|
|
get out and check all the tires after you have come to a stop.
|
|
|
All of the above.
|
15.
Your mirrors should be adjusted so that:
|
more than half of the mirror shows the vehicle.
|
|
|
no part of the vehicle is visible in the mirror.
|
|
|
the rear of the vehicle is visible in the mirror.
|
|
|
a part of the vehicle is visible in the mirror.
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More