WV CDL DOUBLES TRIPLES PRACTICE TEST
11.
What is the most important reason to inspect your vehicle?
|
Vehicle inspection is required by federal and state laws.
|
|
|
Saving money by preventing costly repairs.
|
|
|
Achieving the best gas mileage.
|
|
|
Your safety and that of other road users.
|
12.
If you hear a loud loud "bang" and the steering feels "heavy", you should:
|
hold the steering wheel firmly and stay off the brake.
|
|
|
check your rearview mirrors to see if you have a flat tire.
|
|
|
brake hard and pull off the road.
|
|
|
pump the brakes until the vehicle has slowed down.
|
13.
If a load is placed on one side of the trailer:
|
a rollover is more likely.
|
|
|
your brakes won't work.
|
|
|
the steering axle weight will be too light to steer safely.
|
|
|
making turns may be easier.
|
14.
If your brakes fail on a steep mountain downgrade, you should:
|
go right if the shoulder is clear.
|
|
|
use an escape ramp if it is available.
|
|
|
leave the road immediately.
|
|
|
change lanes after making sure there is enough room.
|
15.
When coupling double trailers, if the second trailer does not have spring brakes, to set the trailer emergency brakes you should:
|
1. Drive the tractor close to the trailer 2. Connect the emergency line 3. Charge the trailer air tank 4. Disconnect the emergency line.
|
|
|
1. Connect the emergency line 2. Charge the trailer air tank. 3. Drive the tractor close to the trailer 4. Disconnect the emergency line.
|
|
|
1. Disconnect the emergency line 2. Drive the tractor close to the trailer 3. Charge the trailer air tank 4. Connect the emergency line.
|
|
|
1. Connect the emergency line 2. Drive the tractor close to the trailer 3. Disconnect the emergency line 4. Charge the trailer air tank.
|
16.
Emergency brakes are:
|
not required on buses.
|
|
|
required on all vehicles.
|
|
|
not required on commercial vehicles with air brakes.
|
|
|
not required on doubles.
|
17.
Which of the following may have reduced the clearances since the heights were posted at bridges and overpasses?
|
Repaving of the road
|
|
|
Rain
|
|
|
The weight of a cargo
|
|
|
Traffic
|
18.
Which of the following is a reason to cover cargo?
|
To contain a spill
|
|
|
To protect the cargo from weather
|
|
|
To protect people from spilled cargo
|
|
|
All of the above.
|
19.
Which of the following is not a braking system on a truck?
|
Parking brake
|
|
|
Steering brake
|
|
|
Emergency brake
|
|
|
Service brake
|
20.
Which of the following is a common cause of truck fires?
|
Under-inflated tires and duals that touch.
|
|
|
Short circuits due to loose connections.
|
|
|
loose fuel connections.
|
|
|
All of the above.
|
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More