#1
What is the minimum age requirement for obtaining a Commercial Driver License (CDL) in most states?
18 years old
ExplanationMost states require individuals to be 18 years old to obtain a CDL.
#2
What does a 'Class A' CDL allow a driver to operate?
Vehicles towing a trailer with a GVWR of 10,000 pounds or more, where the gross combination weight rating (GCWR) is 26,001 pounds or more
Explanation'Class A' CDL permits the operation of vehicles towing a trailer with a GVWR of 10,000 pounds or more, where the GCWR is 26,001 pounds or more.
#3
What must a driver do if their CDL is lost or stolen?
All of the above
ExplanationIf a CDL is lost or stolen, the driver must report it to the police, their employer, and the licensing agency.
#4
What is the primary function of the Hours of Service (HOS) regulations for CDL holders?
To limit the number of hours a driver can be on the road to prevent fatigue
ExplanationHOS regulations aim to limit driving hours to prevent driver fatigue.
#5
What does the Medical Examination Report for Commercial Driver Fitness Determination ensure?
That the driver is physically qualified to drive a commercial vehicle
ExplanationThe Medical Examination Report ensures the driver is physically qualified to operate a commercial vehicle.
#6
Which endorsement is required on a CDL to haul hazardous materials?
H - Hazardous Materials
ExplanationThe 'H - Hazardous Materials' endorsement is required for transporting hazardous materials.
#7
What does the Air Brake Restriction on a CDL indicate?
The driver is not allowed to operate vehicles with air brakes.
ExplanationAn Air Brake Restriction on a CDL means the driver cannot operate vehicles with air brakes.
#8
Under the FMCSA regulations, what is the maximum Blood Alcohol Concentration (BAC) level for a CDL holder while operating a commercial vehicle?
0.04%
ExplanationThe maximum BAC for CDL holders under FMCSA regulations is 0.04% while operating a commercial vehicle.
#9
Which part of the CDL exam tests a driver's ability to inspect their vehicle to ensure it is safe to drive?
Vehicle Inspection Test
ExplanationThe Vehicle Inspection Test in the CDL exam assesses a driver's ability to inspect their vehicle for safety.
#10
For CDL holders, what is the consequence of refusing a drug or alcohol test?
Disqualification from driving commercial vehicles
ExplanationRefusing a drug or alcohol test results in disqualification from driving commercial vehicles for CDL holders.
#11
Which of the following is NOT a part of the pre-trip inspection that CDL holders are required to perform?
Ensuring the vehicle's color matches that listed on the registration
ExplanationEnsuring the vehicle's color matches the registration is not part of the pre-trip inspection for CDL holders.
#12
Under FMCSA regulations, how often must a CDL holder submit a Medical Examiner's Certificate to their state licensing agency?
Every 2 years
ExplanationFMCSA regulations mandate CDL holders to submit a Medical Examiner's Certificate to their state licensing agency every 2 years.
#13
How long must a new CDL holder wait before they can apply for a Hazardous Materials (H) endorsement?
There is no waiting period
ExplanationThere is no waiting period for new CDL holders to apply for a Hazardous Materials (H) endorsement.
#14
Under FMCSA rules, which of the following actions is considered 'off-duty' for HOS purposes?
Sleeping in a sleeper berth
ExplanationSleeping in a sleeper berth is considered 'off-duty' for HOS purposes under FMCSA rules.
#15
Which of the following is NOT a reason for a CDL to be disqualified?
Failure to wear a seatbelt in a commercial vehicle
ExplanationFailure to wear a seatbelt in a commercial vehicle is not a reason for CDL disqualification.