Michigan General Knowledge CDL
Test Class B Exam Questions &
Answers (Grade A+)
Who must obtain a CDL? -
correct answer ✅Any operator of a:CMV with a GCWR of 26,001
lbs. or more.vehicle required by federal regulation to be placarded
while transporting hazardous material.vehicle designed to carry 16
or more persons, including the driver
What are the classes of Commercial Drivers Licenses (CDL)? -
correct answer ✅Class A - Combination vehicles with a GCWR of
26,001 or more pounds
Class B - Single Vehicles with a GCWR of 26,001 or more lbs.
What endorsements are available to CDL operators and what is
their letter designation? -
correct answer ✅Charter Bus (C)Combination Tank and Hazardous
Material (X) Double/Triple Trailers (T)Passenger Vehicle (P)School
Bus (S)Tank Vehicles (N)Vehicles carrying hazardous Material (H)
What is the minimum tire tread depth on a CMV? -
correct answer ✅4/32nd of an inch on front or steer tires
2/32nd of an inch on all other tires
Test Class B Exam Questions &
Answers (Grade A+)
Who must obtain a CDL? -
correct answer ✅Any operator of a:CMV with a GCWR of 26,001
lbs. or more.vehicle required by federal regulation to be placarded
while transporting hazardous material.vehicle designed to carry 16
or more persons, including the driver
What are the classes of Commercial Drivers Licenses (CDL)? -
correct answer ✅Class A - Combination vehicles with a GCWR of
26,001 or more pounds
Class B - Single Vehicles with a GCWR of 26,001 or more lbs.
What endorsements are available to CDL operators and what is
their letter designation? -
correct answer ✅Charter Bus (C)Combination Tank and Hazardous
Material (X) Double/Triple Trailers (T)Passenger Vehicle (P)School
Bus (S)Tank Vehicles (N)Vehicles carrying hazardous Material (H)
What is the minimum tire tread depth on a CMV? -
correct answer ✅4/32nd of an inch on front or steer tires
2/32nd of an inch on all other tires