KENTUCKY CDL COMBINATION PRACTICE TEST
11.
As you approach off ramps and on ramps, remember:
|
to always brake and turn at the same time.
|
|
|
to maintain your highway speed.
|
|
|
that downgrades make it easier to reduce speed.
|
|
|
that the posted speed limit may not be safe for larger vehicles.
|
12.
Which of the following is NOT part of a trailer air line system?
|
Service air-line
|
|
|
Kingpin
|
|
|
Emergency air-line
|
|
|
Glad hands
|
13.
Most heavy vehicles require ________ change gears.
|
double shifting
|
|
|
double clutching
|
|
|
triple shifting
|
|
|
single clutching
|
14.
When approaching a stopped bus, you must be aware that:
|
passing a stopped bus is illegal.
|
|
|
a student may be driving the bus.
|
|
|
passengers crossing in front of the bus can always see you.
|
|
|
passengers may cross in front of or behind the bus.
|
15.
Who is responsible for inspecting the cargo?
|
The person who loaded and secured the cargo
|
|
|
The motor carrier
|
|
|
The shipper
|
|
|
The driver
|
16.
When inspecting the cargo, make sure it is:
|
secured properly for the first 50 miles after beginning a trip.
|
|
|
not overloaded.
|
|
|
piled up.
|
|
|
All of the above.
|
17.
When backing a trailer, you should:
|
avoid braking.
|
|
|
pull-up frequently to reposition the vehicle.
|
|
|
turn the steering wheel toward the direction you want to go.
|
|
|
not back up in a straight line.
|
18.
Which of these is more likely to rollover due to the "crack-the-whip" effect?
|
The last trailer of triples
|
|
|
5-axle tractor semitrailers
|
|
|
The front trailer of 65 ft. conventional doubles
|
|
|
The last trailer of doubles
|
19.
If your vehicle has dummy couplers, why should you use them when the air lines are not connected to a trailer?
|
To prevent overheating.
|
|
|
Because if you don't, you will never build system pressure.
|
|
|
To prevent water and dirt from getting into the coupler and the air lines.
|
|
|
To prevent freezing of the washer liquid.
|
20.
Which of the following is NOT part of inspecting the coupling?
|
Checking that the locking lever is in the "lock" position
|
|
|
Making sure there is no space between the upper and the lower fifth-wheel
|
|
|
Making sure the fifth-wheel jaws have closed around the shank of the kingpin.
|
|
|
Checking for enough clearance between the rear of the tractor frame and the landing gear.
|
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More