Maryland CDL Class B Knowledge Test
Exam Practice Questions And Correct
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Rationale 2026 Q&A| Instant Download
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1. What is the primary purpose of the Maryland CDL Class B knowledge
test?
A. To evaluate basic mechanical repair skills for commercial vehicles
B. To assess knowledge of safe driving practices, traffic laws, and CDL-
specific operational rules
C. To test advanced navigation and GPS route planning skills
D. To certify a driver for interstate freight brokerage operations
The Class B CDL knowledge test is designed to evaluate a candidate’s
understanding of safe commercial driving, Maryland traffic regulations,
and essential CDL operational knowledge including vehicle control,
inspection, and safety procedures.
2. Which vehicle would typically require a Maryland Class B CDL?
A. A passenger car used for ridesharing services
B. A single vehicle with a GVWR over 26,001 pounds or a vehicle designed to
transport 24 or more passengers
,C. A motorcycle with engine displacement above 500cc
D. A pickup truck under 10,000 pounds GVWR
A Class B CDL is required for operating heavy single vehicles exceeding
26,001 pounds GVWR or large passenger vehicles, including buses
designed to carry 24 or more people including the driver.
3. What is the minimum passing requirement for the Maryland CDL Class
B knowledge test?
A. 70% correct answers
B. 80% correct answers
C. 88% correct answers
D. 75% correct answers
Applicants must typically score at least 88% on the Maryland CDL Class B
knowledge test to pass, reflecting the high safety standards required for
commercial driving.
4. How many questions are generally included in the Maryland CDL Class
B knowledge test?
A. 25 questions
B. 30 questions
C. 50 questions
D. 75 questions
The Class B CDL knowledge test typically contains 50 multiple-choice
questions covering general knowledge and CDL-related safety topics.
5. Which of the following is NOT typically included in the Class B CDL
general knowledge subject areas?
A. Air brake systems and inspection procedures
B. Cargo securement principles
C. Advanced quantum navigation systems
D. Basic vehicle control and safe driving practices
, Quantum navigation systems are not part of CDL training; the test focuses
on practical driving knowledge such as air brakes, cargo safety, and vehicle
control.
6. What is the safest steering technique for operating a Class B
commercial vehicle?
A. One-hand steering for flexibility
B. Steering with alternating hands depending on road conditions
C. Two-hand steering at opposite sides of the wheel
D. Steering primarily using wrist motion only
Two-hand steering is required for maintaining full control of large
commercial vehicles, especially under heavy load or emergency conditions.
7. What should a driver do before leaving a Class B commercial vehicle
unattended?
A. Turn off hazard lights only
B. Leave the engine running for quick restart
C. Apply the parking brake and secure the vehicle
D. Remove only the seatbelt and exit immediately
Drivers must apply the parking brake and properly secure the vehicle to
prevent unintended movement or accidents when leaving it unattended.
8. What is a key safety risk when driving an empty heavy vehicle
compared to a loaded one?
A. Reduced stopping distance due to less weight
B. Increased stopping distance due to reduced traction
C. No difference in stopping distance
D. Automatic braking activation at all speeds
Empty heavy vehicles may require longer stopping distances because
reduced weight can decrease tire traction and braking stability.
Exam Practice Questions And Correct
Answers (Verified Answers) Plus
Rationale 2026 Q&A| Instant Download
1. What is the primary purpose of the Maryland CDL Class B knowledge
test?
A. To evaluate basic mechanical repair skills for commercial vehicles
B. To assess knowledge of safe driving practices, traffic laws, and CDL-
specific operational rules
C. To test advanced navigation and GPS route planning skills
D. To certify a driver for interstate freight brokerage operations
The Class B CDL knowledge test is designed to evaluate a candidate’s
understanding of safe commercial driving, Maryland traffic regulations,
and essential CDL operational knowledge including vehicle control,
inspection, and safety procedures.
2. Which vehicle would typically require a Maryland Class B CDL?
A. A passenger car used for ridesharing services
B. A single vehicle with a GVWR over 26,001 pounds or a vehicle designed to
transport 24 or more passengers
,C. A motorcycle with engine displacement above 500cc
D. A pickup truck under 10,000 pounds GVWR
A Class B CDL is required for operating heavy single vehicles exceeding
26,001 pounds GVWR or large passenger vehicles, including buses
designed to carry 24 or more people including the driver.
3. What is the minimum passing requirement for the Maryland CDL Class
B knowledge test?
A. 70% correct answers
B. 80% correct answers
C. 88% correct answers
D. 75% correct answers
Applicants must typically score at least 88% on the Maryland CDL Class B
knowledge test to pass, reflecting the high safety standards required for
commercial driving.
4. How many questions are generally included in the Maryland CDL Class
B knowledge test?
A. 25 questions
B. 30 questions
C. 50 questions
D. 75 questions
The Class B CDL knowledge test typically contains 50 multiple-choice
questions covering general knowledge and CDL-related safety topics.
5. Which of the following is NOT typically included in the Class B CDL
general knowledge subject areas?
A. Air brake systems and inspection procedures
B. Cargo securement principles
C. Advanced quantum navigation systems
D. Basic vehicle control and safe driving practices
, Quantum navigation systems are not part of CDL training; the test focuses
on practical driving knowledge such as air brakes, cargo safety, and vehicle
control.
6. What is the safest steering technique for operating a Class B
commercial vehicle?
A. One-hand steering for flexibility
B. Steering with alternating hands depending on road conditions
C. Two-hand steering at opposite sides of the wheel
D. Steering primarily using wrist motion only
Two-hand steering is required for maintaining full control of large
commercial vehicles, especially under heavy load or emergency conditions.
7. What should a driver do before leaving a Class B commercial vehicle
unattended?
A. Turn off hazard lights only
B. Leave the engine running for quick restart
C. Apply the parking brake and secure the vehicle
D. Remove only the seatbelt and exit immediately
Drivers must apply the parking brake and properly secure the vehicle to
prevent unintended movement or accidents when leaving it unattended.
8. What is a key safety risk when driving an empty heavy vehicle
compared to a loaded one?
A. Reduced stopping distance due to less weight
B. Increased stopping distance due to reduced traction
C. No difference in stopping distance
D. Automatic braking activation at all speeds
Empty heavy vehicles may require longer stopping distances because
reduced weight can decrease tire traction and braking stability.
