CDL DOUBLES PRACTICE TEST NEW YORK
11.
Which of the following statements about backing heavy vehicles is true?
|
Always back as quickly as possible.
|
|
|
You should avoid backing whenever you can.
|
|
|
Back to the right side so that you can see better.
|
|
|
The helper should stand where you cannot see the helper.
|
12.
Radial and bias-ply tires:
|
should be used together.
|
|
|
should not be used together.
|
|
|
should be used together only during bad weather.
|
|
|
should be used together only when driving in packed snow.
|
13.
Fully loaded rigs:
|
are much more likely to roll over than empty rigs.
|
|
|
are less likely to roll over than empty rigs.
|
|
|
are just as likely to roll over as empty rigs.
|
|
|
None of the above.
|
14.
Containerized loads are used:
|
when the cargo has been or will be carried by rail or ship.
|
|
|
when the cargo exceeds the weight limit.
|
|
|
when transporting explosives.
|
|
|
when transporting liquids.
|
15.
If a load is 10 feet long, the minimum number of tie-downs required is:
|
3
|
|
|
1
|
|
|
2
|
|
|
4
|
16.
When driving trucks with trailers, drivers should:
|
avoid making sudden movements with the steering wheel.
|
|
|
decrease their following distance.
|
|
|
make quick lane changes.
|
|
|
push the brake pedal to the floor when braking.
|
17.
When you back under a trailer:
|
back the tractor slowly.
|
|
|
use lowest reverse gear.
|
|
|
make sure the trailer brakes are locked.
|
|
|
All of the above.
|
18.
Most heavy duty vehicles use ___ air brake systems for safety.
|
reduced
|
|
|
single
|
|
|
triple
|
|
|
dual
|
19.
As part of your vehicle inspection, you are checking that air flows to all trailers. After using the trailer handbrake to provide air to the service line, you go to the rear of the rig. When you open the emergency line shut-off valve at the rear of the last trailer, you should hear:
|
the service line valve close.
|
|
|
a thumping sound.
|
|
|
a mechanical vibration.
|
|
|
air escaping from the open valve.
|
20.
In vehicles with air brakes, the air compressor governor:
|
controls when the air compressor will pump air into the air storage tanks.
|
|
|
controls how much air the air compressor will pump into the air storage tanks.
|
|
|
controls when the air storage tanks will pump air into the air compressor.
|
|
|
None of the above.
|
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More