CDL General Knowledge Practice test
7 Questions with Accurate Answers
Which of these statements about double clutching and shifting is true? - ANSWERSYou
can use the tachometer to tell you when you shift
Gross combination weight rating or GCWR means the following? - ANSWERSThe total
weight of a powered unit plus trailer(s) plus the cargo
Which of these statements about managing space is true? - ANSWERSWhen the road
is slippery you should keep more space in front of your vehicle
The road you are driving on becomes very slippery due to glare ice, which of these is a
good thing to do in such a situation? - ANSWERSStop driving and park where it is safe
to do so
Which of these statements about downshifting is true? - ANSWERSWhen you downshift
for a curve, you should do so before you enter the curve
If a straight vehicle goes into a front wheel skid it will: - ANSWERSGo straight ahead
even if the steering wheel is turned
Which of these statements about cold weather driving is true? - ANSWERSWindshield
washer antifreeze should be added to the washer reservoir
Retarders are used by? - ANSWERSExhaust, electrical, and engine
You must drive on a slippery road. Which of these is a good thing to do in such a
situation? - ANSWERSSlow down gradually
Which of these is a sign of tire failure? - ANSWERSSteering that feels heavy
A loud bang
Vibration
All answers are correct
Which of these statements about marking a stopped vehicle is true? - ANSWERSIf a hill
or curve keeps drivers behind you from seeing the vehicle within 500 feet, the rear
reflective triangle should be moved back down the road to give adequate warning
Which of these is a good driving rule for work zones? - ANSWERSDrive slowly
, Turn on you flashers / hazard lights
Use your brake lights to warn drivers behind you
All answers are correct
To transport cargo safely, which of the following are you NOT responsible for? -
ANSWERSEnsuring the freshness of sealed cargo
Which of the following CMVs are most likely to get stuck at a raised railroad crossing? -
ANSWERSmoving van
lowboy
car carrier
all of the above
All of the following behaviors are signs of aggressive driving EXCEPT -
ANSWERSfrequent changes of speed.
Which of these statements about escape ramps is true? - ANSWERSThey are used to
stop vehicles that lose their brakes on downhill grades
They are designed to prevent injury to drivers and passengers
They protect equipment and cargo from severe damage
All answers are correct and true
How often must you stop to check your cargo while on the road? - ANSWERSEvery
three hours or 150 miles
Within the first 50 miles
After each break you take
All of the above
Bridge formulas permit - ANSWERSLess maximum axle weight for axles that are close
together.
As your blood alcohol concentration (BAC) rises, what happens? - ANSWERSJudgment
and self-control are affected.
7 Questions with Accurate Answers
Which of these statements about double clutching and shifting is true? - ANSWERSYou
can use the tachometer to tell you when you shift
Gross combination weight rating or GCWR means the following? - ANSWERSThe total
weight of a powered unit plus trailer(s) plus the cargo
Which of these statements about managing space is true? - ANSWERSWhen the road
is slippery you should keep more space in front of your vehicle
The road you are driving on becomes very slippery due to glare ice, which of these is a
good thing to do in such a situation? - ANSWERSStop driving and park where it is safe
to do so
Which of these statements about downshifting is true? - ANSWERSWhen you downshift
for a curve, you should do so before you enter the curve
If a straight vehicle goes into a front wheel skid it will: - ANSWERSGo straight ahead
even if the steering wheel is turned
Which of these statements about cold weather driving is true? - ANSWERSWindshield
washer antifreeze should be added to the washer reservoir
Retarders are used by? - ANSWERSExhaust, electrical, and engine
You must drive on a slippery road. Which of these is a good thing to do in such a
situation? - ANSWERSSlow down gradually
Which of these is a sign of tire failure? - ANSWERSSteering that feels heavy
A loud bang
Vibration
All answers are correct
Which of these statements about marking a stopped vehicle is true? - ANSWERSIf a hill
or curve keeps drivers behind you from seeing the vehicle within 500 feet, the rear
reflective triangle should be moved back down the road to give adequate warning
Which of these is a good driving rule for work zones? - ANSWERSDrive slowly
, Turn on you flashers / hazard lights
Use your brake lights to warn drivers behind you
All answers are correct
To transport cargo safely, which of the following are you NOT responsible for? -
ANSWERSEnsuring the freshness of sealed cargo
Which of the following CMVs are most likely to get stuck at a raised railroad crossing? -
ANSWERSmoving van
lowboy
car carrier
all of the above
All of the following behaviors are signs of aggressive driving EXCEPT -
ANSWERSfrequent changes of speed.
Which of these statements about escape ramps is true? - ANSWERSThey are used to
stop vehicles that lose their brakes on downhill grades
They are designed to prevent injury to drivers and passengers
They protect equipment and cargo from severe damage
All answers are correct and true
How often must you stop to check your cargo while on the road? - ANSWERSEvery
three hours or 150 miles
Within the first 50 miles
After each break you take
All of the above
Bridge formulas permit - ANSWERSLess maximum axle weight for axles that are close
together.
As your blood alcohol concentration (BAC) rises, what happens? - ANSWERSJudgment
and self-control are affected.
