DE CDL COMBINATION PRACTICE TEST
11.
When approaching a vehicle with a distracted driver, you should:
|
change lanes quickly.
|
|
|
sound your horn.
|
|
|
quickly pass the vehicle.
|
|
|
maintain your safe following distance.
|
12.
Poor weight balance:
|
improves handling.
|
|
|
makes it easier to turn.
|
|
|
increases fuel efficiency.
|
|
|
can make vehicle handling more difficult.
|
13.
Banked curves:
|
have a safe "design speed".
|
|
|
should always be avoided.
|
|
|
can be taken at any speed.
|
|
|
are reserved for pedestrians.
|
14.
During your inspection, you should look into the fifth-wheel gap and check that the _________ are fully closed around the kingpin.
|
couplings (U-joints)
|
|
|
locking jaws
|
|
|
lug nuts
|
|
|
mounting bolts
|
15.
If you are being tailgated, you should:
|
turn on your taillights.
|
|
|
drive on the shoulder.
|
|
|
try to let the other vehicle pass.
|
|
|
speed up.
|
16.
What are the two basic reasons for covering cargo?
|
To protect the cargo from weather and to avoid littering.
|
|
|
To protect the cargo from pilferage and from weather.
|
|
|
To protect people from spilled cargo and the cargo from weather.
|
|
|
To protect people from spilled cargo and the cargo from pilferage.
|
17.
When the tractor protection valve closes, the trailer _______ brakes will come on.
|
parking
|
|
|
emergency
|
|
|
hand
|
|
|
service
|
18.
When uncoupling a trailer, after shutting off the trailer air supply to lock the trailer brakes, you should:
|
pull the tractor forward until the fifth-wheel comes out from under the trailer.
|
|
|
back up gently to ease the pressure on the fifth-wheel locking jaws.
|
|
|
inspect the trailer supports.
|
|
|
immediately apply your tractor parking brakes.
|
19.
When looking at your cargo covers in the mirrors while driving, you must be aware that a flapping cover:
|
can tear loose, uncovering the cargo.
|
|
|
helps keep the cargo as close to the ground as possible.
|
|
|
means that the cargo is balanced.
|
|
|
keeps the cargo cool.
|
20.
To know how much space you should keep in front of you when driving at speeds below 40 mph, one good rule says you need at least ______ for each ______ of vehicle length.
|
1 second; 10 feet
|
|
|
2 seconds; 10 feet
|
|
|
3 seconds; 50 feet
|
|
|
1 second; 5 feet
|
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More