CDL: chapters 1-35 Exam Questions and
Answers with Verified Solutions | Latest
Updated 2026
The trucking industry is subject to C. Federal Motor Carrier Safety
regulations from which of the Administration
following agencies? (FMCSA)
A. U.S. Department of Interior
(DOI)
B. Bureau of Safety and
Environmental Enforcement
(BSEE)
C. Federal Motor Carrier Safety
Administration (FMCSA)
D. Bureau of Transportation
Statistics (BTS)
The Federal Motor Carrier Safety D. all of the above
Regulations (FMCSRs) establish
basic safety rules and standards
for:
A. drivers and other employees of
motor carriers
B. motor carriers
C. commercial motor vehicles
(CMVs)
D. all of the above
,Which of the following requires B. Double/Triple trailers
and
endorsement on your CDL?
A. Air brakes
B. Double/Triple trailers
C. Manual transmission
D. All of the above
According to the FMCSRs, you are C. have only one current CDL
qualified to operate a CMV if you:
A. are at least 15 years old
B. have passed an IQ test
C. have only one current CDL
D. are currently disqualified from
operating a motor vehicle
Which of the following is B. leaving the scene of an accident
considered a major disqualifying
offense?
A. following the vehicle ahead too
closely
B. leaving the scene of an
accident
C. texting while driving a CMV
D. Violating an out-of-service order
,Prohibited alcohol use includes A. use during the eight hours following an
which of the following? accident, or until you undergo a
A. use during the eight hours post-accident
following an accident, or until you test
undergo a post-accident test
B. reporting for duty with an
alcohol
concentration of 0.01 or greater
C. use during the eight hours
before performing safety-sensitive
functions
D. use while cleaning your
windows
and mirrors
Which of the following will result in D. all of the above
you being removed from all safety-
sensitive functions until you go
through a return-to-duty process?
A. Failing an alcohol test
B. testing positive for drugs
C. refusing to take a required
alcohol and/or drug rest
D. all of the above
What part of a combination vehicle A. Tractor
is referred to as the "power unit"?
A. Tractor
B. Driver axle
C. Duals
D. Either A or B
, The federal size and weight limits D. National Network
apply to a national system of
interstates commonly referred to
as
the:
A. Federal Network
B. Limit Highway
C. Weight Road
D. National Network
A commercial motor vehicle's B. start up and shut down the vehicle's
(CMV's) engine controls are used engine
to:
A. safely operate your vehicle
B. start up and shut down the
vehicle's engine
C. warn when pressures or
temperatures reach a dangerous
level
D. help you steer, accelerate,
brake,
and park your CMV
If your truck has a(n) __________, A. starter button
you
must first turn the engine key to he
'on' position before engaging it.
A. starter button
B. engine break
C. clutch button
D. cruise control
Answers with Verified Solutions | Latest
Updated 2026
The trucking industry is subject to C. Federal Motor Carrier Safety
regulations from which of the Administration
following agencies? (FMCSA)
A. U.S. Department of Interior
(DOI)
B. Bureau of Safety and
Environmental Enforcement
(BSEE)
C. Federal Motor Carrier Safety
Administration (FMCSA)
D. Bureau of Transportation
Statistics (BTS)
The Federal Motor Carrier Safety D. all of the above
Regulations (FMCSRs) establish
basic safety rules and standards
for:
A. drivers and other employees of
motor carriers
B. motor carriers
C. commercial motor vehicles
(CMVs)
D. all of the above
,Which of the following requires B. Double/Triple trailers
and
endorsement on your CDL?
A. Air brakes
B. Double/Triple trailers
C. Manual transmission
D. All of the above
According to the FMCSRs, you are C. have only one current CDL
qualified to operate a CMV if you:
A. are at least 15 years old
B. have passed an IQ test
C. have only one current CDL
D. are currently disqualified from
operating a motor vehicle
Which of the following is B. leaving the scene of an accident
considered a major disqualifying
offense?
A. following the vehicle ahead too
closely
B. leaving the scene of an
accident
C. texting while driving a CMV
D. Violating an out-of-service order
,Prohibited alcohol use includes A. use during the eight hours following an
which of the following? accident, or until you undergo a
A. use during the eight hours post-accident
following an accident, or until you test
undergo a post-accident test
B. reporting for duty with an
alcohol
concentration of 0.01 or greater
C. use during the eight hours
before performing safety-sensitive
functions
D. use while cleaning your
windows
and mirrors
Which of the following will result in D. all of the above
you being removed from all safety-
sensitive functions until you go
through a return-to-duty process?
A. Failing an alcohol test
B. testing positive for drugs
C. refusing to take a required
alcohol and/or drug rest
D. all of the above
What part of a combination vehicle A. Tractor
is referred to as the "power unit"?
A. Tractor
B. Driver axle
C. Duals
D. Either A or B
, The federal size and weight limits D. National Network
apply to a national system of
interstates commonly referred to
as
the:
A. Federal Network
B. Limit Highway
C. Weight Road
D. National Network
A commercial motor vehicle's B. start up and shut down the vehicle's
(CMV's) engine controls are used engine
to:
A. safely operate your vehicle
B. start up and shut down the
vehicle's engine
C. warn when pressures or
temperatures reach a dangerous
level
D. help you steer, accelerate,
brake,
and park your CMV
If your truck has a(n) __________, A. starter button
you
must first turn the engine key to he
'on' position before engaging it.
A. starter button
B. engine break
C. clutch button
D. cruise control
