COMBINATION PRACTICE TEST - AK CDL
11.
Strong winds can make it difficult to stay in your lane especially when driving:
|
lighter vehicles.
|
|
|
vehicles with ABS.
|
|
|
heavier vehicles.
|
12.
If you unlock the pintle hook with the dolly still under the rear trailer:
|
the dolly tow bar may fly up.
|
|
|
the brakes could be damaged by the combined forces of the springs and the air pressure.
|
|
|
your vehicle might roll away.
|
13.
To secure the tractor you should:
|
Put on the parking brake and put the transmission in neutral.
|
|
|
Check that the kingpin and the fifth-wheel are aligned.
|
|
|
All of the above.
|
14.
Why should you cover your cargo?
|
To protect people from spilled cargo.
|
|
|
To protect the cargo from weather.
|
|
|
All of the above.
|
15.
When you make a quick lane change, the crack-the-whip effect can:
|
improve your traction.
|
|
|
make it harder to turn without skidding.
|
|
|
turn the trailer over.
|
16.
If you are feeling sleepy, you should:
|
increase your speed to get to the destination quicker.
|
|
|
pull off the road and rest or take a nap.
|
|
|
slow down and drive on the shoulder of the road.
|
17.
After a tire has been changed, you should:
|
deflate the tire to 15 psi.
|
|
|
decrease tire pressure.
|
|
|
stop a short while later and check that the nuts are tight.
|
18.
What is the proper following distance for a 40 foot truck traveling at 35 mph?
|
10 seconds
|
|
|
12 seconds
|
|
|
4 seconds
|
19.
Transporting hanging meat requires special attention. Why?
|
Because you have to drive fast to get it delivered fresh.
|
|
|
Because hanging meat can be an unstable load with a high center of gravity.
|
|
|
Because refrigerated trucks have less traction.
|
20.
If you must drive slowly, how should you alert following drivers?
|
Flash your brake lights
|
|
|
Turn on your taillights
|
|
|
Use your emergency flashers if it is legal
|
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More