CDL: chapter 16-20 Exam Questions and
Answers with Verified Solutions | Latest
Updated 2026
If there is an imbalance of B. traction, wheel load, and force of motion
_________, a
skid may occur.
A. tread depth, traction, inflation
B. traction, wheel load, and force
of motion
C. wheel load, tread depth, and
brake pressure
D. force of motion, brake pressure,
and tire inflation
A _____________ will occur when B. tractor jackknife
the
drive wheels attempt to take over
the front wheels, causing the rear
of
the tractor to swing out.
A. trailer jackknife
B. tractor jackknife
C. front wheel skid
D. all-wheel skid
,What is something you can do to C. reduce your speed on wet/slippery
help prevent a front wheel skid? pavement
A. reduce your drive tires' inflation
by 5-10 psi
B. chain your tires in heavy rain
C. reduce your speed on
wet/slippery pavement
D. all of the above
Traction is needed to maintain D. all of the above
directional control. You need
traction in order to:
A. accelerate
B. turn
C. brake
D. all of the above
What should you do if your brakes A. downshift and find an escape route
fail?
A. downshift and find an escape
route
B. call 911 to have law
enforcement
clear the highway ahead
C. honk your horn and flash your
lights at all oncoming traffic
D. crank the wheel 180 degrees
and
engage the emergency brakes
, If you experience a tire blowout,: C. accelerate to overcome drag
A. hold the steering wheel loosely
B. brake firmly to slow your vehicle
C. accelerate to overcome drag
D. all of the above
If your vehicle begins to D. slow down until contact with the road
hydroplane,: surface
A. speed up to increase the is reestablished
traction
between your drive tires and the
road
B. apply the brakes hard to come
to
a complete stop as soon as
possible
C. turn the wheel sharply to the
right to guide the vehicle away
from
oncoming traffic
D. slow down until contact with the
road surface is reestablished
What is one of the main causes of C. improper load securement
vehicle rollovers?
A. driving too slow on ramps,
curves, and turns
B. defensive driving
C. improper load securement
D. all of the above
Answers with Verified Solutions | Latest
Updated 2026
If there is an imbalance of B. traction, wheel load, and force of motion
_________, a
skid may occur.
A. tread depth, traction, inflation
B. traction, wheel load, and force
of motion
C. wheel load, tread depth, and
brake pressure
D. force of motion, brake pressure,
and tire inflation
A _____________ will occur when B. tractor jackknife
the
drive wheels attempt to take over
the front wheels, causing the rear
of
the tractor to swing out.
A. trailer jackknife
B. tractor jackknife
C. front wheel skid
D. all-wheel skid
,What is something you can do to C. reduce your speed on wet/slippery
help prevent a front wheel skid? pavement
A. reduce your drive tires' inflation
by 5-10 psi
B. chain your tires in heavy rain
C. reduce your speed on
wet/slippery pavement
D. all of the above
Traction is needed to maintain D. all of the above
directional control. You need
traction in order to:
A. accelerate
B. turn
C. brake
D. all of the above
What should you do if your brakes A. downshift and find an escape route
fail?
A. downshift and find an escape
route
B. call 911 to have law
enforcement
clear the highway ahead
C. honk your horn and flash your
lights at all oncoming traffic
D. crank the wheel 180 degrees
and
engage the emergency brakes
, If you experience a tire blowout,: C. accelerate to overcome drag
A. hold the steering wheel loosely
B. brake firmly to slow your vehicle
C. accelerate to overcome drag
D. all of the above
If your vehicle begins to D. slow down until contact with the road
hydroplane,: surface
A. speed up to increase the is reestablished
traction
between your drive tires and the
road
B. apply the brakes hard to come
to
a complete stop as soon as
possible
C. turn the wheel sharply to the
right to guide the vehicle away
from
oncoming traffic
D. slow down until contact with the
road surface is reestablished
What is one of the main causes of C. improper load securement
vehicle rollovers?
A. driving too slow on ramps,
curves, and turns
B. defensive driving
C. improper load securement
D. all of the above
