IOWA CDL Exam with Complete
Solutions
What do you need a CDL to operate? - ANS-Any single vehicle with a gross vehicle
weight rating of 26,001 pounds or more
A combination vehicle with a gross combination weight rating of 26,001 or more pounds,
provided the GVWE of the vehicle being towed is in excess of 10,00 pounds
A vehicle designed to transport 16 or more passengers (including the driver)
How can you lose your CDL fro at least one year? - ANS-Driving a CMV if your blood
alcohol concentration is .04% or higher
Driving a CMV under the influence of alcohol
Refusing to undergo blood alcohol testing
Driving a CMV while under the influence of a controlled substance
Leaving the scene of an accident involving a CMV
Committing a felony involving the sue of a CMV
Driving a CMV when the CDL is suspended
Causing a fatality through negligent operation of a CMV
How can you lose your CDL for 3 years? - ANS-if that offense occurs while you are
operating a CMV that is placarded for hazardous materials
How can you lose your CDL for life? - ANS-a second offense
if you use a CMV to commit a felony involving controlled substances
When you will be put out-of-service for 24 hours? - ANS-If you have any detectable
amount of alcohol under .04%
How can you lose your CDL for 60 days? - ANS-If you have committed two serious
traffic violations within a three-year period involving a CMV
, How can you lose your CDL for 120 days? - ANS-For three or more serious traffic
violations within a three-year period involving a CMV
How can you lose your CDL for 90 days? - ANS-if you have committed your first
violation of an out-of-service order
for at least one year if you have committed two violations of an out-of-service order in a
ten-year period
for at least three years if you have committed three or more violations of an out-of-
service order in a ten-year period
You must notify your employer within 30 days... - ANS-of conviction for any traffic
violations (except parking)
You must notify your employer within two business days... - ANS-if your license is
suspended, revoked, or canceled, or if you are disqualified from driving
What is the most important reason for doing a vehicle inspection? - ANS-SAFETY
What things should you check during a trip? - ANS-Watch gauges for signs of trouble.
Use your senses to check for problems (look,listen,smell,and feel)
Check critical items when you stop : tires, wheels, rims, brakes, lights, reflectors,
electrical connections to trailers, trailer coupling devices, cargo securement devices.
Name some key steering system parts - ANS-steering wheel, tie rod, steering shaft,
hydraulic fluid reservoir, gear box, pitman arm, drag link, steering knuckle, spindle,
steering arm, power steering cylinder
Name some suspension system defects - ANS-missing nuts, bolts, cotter keys, or other
parts
bent loose or broken parts such as steering column,
steering gearbox, or tie rods
IF power steering equipped, hoses, pumps, and fluid level; check for leaks steering
steering wheel play of more than 10 degrees can make it hard to steer
What three kinds of emergency equipment must you have? - ANS-fire extinguisher
spare electrical fuses
warning devices for parked vehicles
Solutions
What do you need a CDL to operate? - ANS-Any single vehicle with a gross vehicle
weight rating of 26,001 pounds or more
A combination vehicle with a gross combination weight rating of 26,001 or more pounds,
provided the GVWE of the vehicle being towed is in excess of 10,00 pounds
A vehicle designed to transport 16 or more passengers (including the driver)
How can you lose your CDL fro at least one year? - ANS-Driving a CMV if your blood
alcohol concentration is .04% or higher
Driving a CMV under the influence of alcohol
Refusing to undergo blood alcohol testing
Driving a CMV while under the influence of a controlled substance
Leaving the scene of an accident involving a CMV
Committing a felony involving the sue of a CMV
Driving a CMV when the CDL is suspended
Causing a fatality through negligent operation of a CMV
How can you lose your CDL for 3 years? - ANS-if that offense occurs while you are
operating a CMV that is placarded for hazardous materials
How can you lose your CDL for life? - ANS-a second offense
if you use a CMV to commit a felony involving controlled substances
When you will be put out-of-service for 24 hours? - ANS-If you have any detectable
amount of alcohol under .04%
How can you lose your CDL for 60 days? - ANS-If you have committed two serious
traffic violations within a three-year period involving a CMV
, How can you lose your CDL for 120 days? - ANS-For three or more serious traffic
violations within a three-year period involving a CMV
How can you lose your CDL for 90 days? - ANS-if you have committed your first
violation of an out-of-service order
for at least one year if you have committed two violations of an out-of-service order in a
ten-year period
for at least three years if you have committed three or more violations of an out-of-
service order in a ten-year period
You must notify your employer within 30 days... - ANS-of conviction for any traffic
violations (except parking)
You must notify your employer within two business days... - ANS-if your license is
suspended, revoked, or canceled, or if you are disqualified from driving
What is the most important reason for doing a vehicle inspection? - ANS-SAFETY
What things should you check during a trip? - ANS-Watch gauges for signs of trouble.
Use your senses to check for problems (look,listen,smell,and feel)
Check critical items when you stop : tires, wheels, rims, brakes, lights, reflectors,
electrical connections to trailers, trailer coupling devices, cargo securement devices.
Name some key steering system parts - ANS-steering wheel, tie rod, steering shaft,
hydraulic fluid reservoir, gear box, pitman arm, drag link, steering knuckle, spindle,
steering arm, power steering cylinder
Name some suspension system defects - ANS-missing nuts, bolts, cotter keys, or other
parts
bent loose or broken parts such as steering column,
steering gearbox, or tie rods
IF power steering equipped, hoses, pumps, and fluid level; check for leaks steering
steering wheel play of more than 10 degrees can make it hard to steer
What three kinds of emergency equipment must you have? - ANS-fire extinguisher
spare electrical fuses
warning devices for parked vehicles
