Class A/B Test Study Guide – Comprehensive Review
for Licensing and Certification Exam
Description:
This study guide provides a complete overview of the material needed to prepare for the Class A
and Class B licensing tests. It includes essential rules, safety procedures, driving techniques,
inspection checklists, and key regulations required for passing both written and practical exams.
Ideal for students and professionals aiming to achieve Class A or B certification efficiently.
Keywords:
Class A test
Class B test
licensing exam
driving regulations
safety procedures
vehicle inspection
test preparation
practice guide
certification study
transport regulations
Section 1: General Knowledge (Applicable to All CDL Classes)
1. What is the most important reason for doing a pre-trip inspection?
A) To avoid getting a ticket.
B) To make sure you have enough fuel.
C) To find problems that could cause a crash or breakdown.
D) To practice for the CDL test.
2. The Commercial Driver's License (CDL) program is regulated by:
A) The Department of Transportation (DOT).
B) The Federal Motor Carrier Safety Administration (FMCSA).
C) The Department of Commerce.
D) The National Highway Traffic Safety Administration (NHTSA).
3. "Gross Vehicle Weight Rating (GVWR)" is:
A) The maximum weight a tire can carry.
B) The weight of a empty vehicle.
,C) The maximum weight a vehicle is rated to safely carry, including the vehicle itself, passengers,
fuel, and cargo.
D) The weight of the cargo only.
4. What is the minimum number of seconds following distance you should maintain in good
weather?
A) 1 second
B) 2 seconds
C) 4 seconds
D) 8 seconds
5. You should use your horn:
A) To alert other drivers of your presence when necessary.
B) Frequently to show you are a professional driver.
C) Only in emergency situations.
D) To express frustration at other drivers' mistakes.
6. The purpose of a "diamond-shaped" sign is to:
A) Guide you to recreational areas.
B) Warn you of potential hazards ahead.
C) Provide information about road services.
D) Indicate a school zone.
7. Which of these is NOT a type of vehicle inspection?
A) Pre-trip
B) En-route
C) Post-trip
D) Annual
8. If you are stopped at a railroad crossing and the signal flashes red, you must stop:
A) Only if you see a train.
B) At least 15 feet from the nearest rail.
C) Between 15 and 50 feet from the nearest rail.
D) Exactly 50 feet from the nearest rail.
9. Which of these statements about backing a commercial vehicle is true?
A) You should always back up quickly to get it over with.
B) It is always safer to back toward the right side of the vehicle.
C) You should avoid backing whenever you can.
D) Use your mirrors alone and never get out to look.
, 10. The most common type of foundation brake found on heavy vehicles is the:
A) Disc brake.
B) S-cam drum brake.
C) Wedge brake.
D) Hydraulic brake.
11. What is a "low-air warning" device?
A) A light that tells you when to change your air filter.
B) A device that warns you when air pressure in the tanks falls below 60 psi.
C) A buzzer that sounds when you are in low gear.
D) A gauge that shows your tire pressure.
12. A "blackout" marker light should be:
A) Used when driving in fog.
B) Left on at all times.
C) Used only when parked.
D) A different color than red or amber.
13. Which of these is NOT a key point to remember about emergency braking?
A) Controlled braking involves applying the brakes as hard as you can without locking the
wheels.
B) You can slow down by using your emergency brake instead of your service brakes.
C) Stab braking should only be used on vehicles without Anti-lock Braking Systems (ABS).
D) Brakes fade when they get too hot.
14. When driving a large commercial vehicle, how far should you look ahead?
A) 5-8 seconds
B) 8-10 seconds
C) 12-15 seconds
D) 20-25 seconds
15. Which of these is a sign of tire failure?
A) A gentle swaying of the vehicle.
B) A loud "bang" and vibration.
C) A slight pull to the left.
D) A change in the engine's sound.
16. The purpose of the air compressor governor is to:
A) Pump air into the brake chambers.
B) Control when the air compressor pumps air into the storage tanks.
for Licensing and Certification Exam
Description:
This study guide provides a complete overview of the material needed to prepare for the Class A
and Class B licensing tests. It includes essential rules, safety procedures, driving techniques,
inspection checklists, and key regulations required for passing both written and practical exams.
Ideal for students and professionals aiming to achieve Class A or B certification efficiently.
Keywords:
Class A test
Class B test
licensing exam
driving regulations
safety procedures
vehicle inspection
test preparation
practice guide
certification study
transport regulations
Section 1: General Knowledge (Applicable to All CDL Classes)
1. What is the most important reason for doing a pre-trip inspection?
A) To avoid getting a ticket.
B) To make sure you have enough fuel.
C) To find problems that could cause a crash or breakdown.
D) To practice for the CDL test.
2. The Commercial Driver's License (CDL) program is regulated by:
A) The Department of Transportation (DOT).
B) The Federal Motor Carrier Safety Administration (FMCSA).
C) The Department of Commerce.
D) The National Highway Traffic Safety Administration (NHTSA).
3. "Gross Vehicle Weight Rating (GVWR)" is:
A) The maximum weight a tire can carry.
B) The weight of a empty vehicle.
,C) The maximum weight a vehicle is rated to safely carry, including the vehicle itself, passengers,
fuel, and cargo.
D) The weight of the cargo only.
4. What is the minimum number of seconds following distance you should maintain in good
weather?
A) 1 second
B) 2 seconds
C) 4 seconds
D) 8 seconds
5. You should use your horn:
A) To alert other drivers of your presence when necessary.
B) Frequently to show you are a professional driver.
C) Only in emergency situations.
D) To express frustration at other drivers' mistakes.
6. The purpose of a "diamond-shaped" sign is to:
A) Guide you to recreational areas.
B) Warn you of potential hazards ahead.
C) Provide information about road services.
D) Indicate a school zone.
7. Which of these is NOT a type of vehicle inspection?
A) Pre-trip
B) En-route
C) Post-trip
D) Annual
8. If you are stopped at a railroad crossing and the signal flashes red, you must stop:
A) Only if you see a train.
B) At least 15 feet from the nearest rail.
C) Between 15 and 50 feet from the nearest rail.
D) Exactly 50 feet from the nearest rail.
9. Which of these statements about backing a commercial vehicle is true?
A) You should always back up quickly to get it over with.
B) It is always safer to back toward the right side of the vehicle.
C) You should avoid backing whenever you can.
D) Use your mirrors alone and never get out to look.
, 10. The most common type of foundation brake found on heavy vehicles is the:
A) Disc brake.
B) S-cam drum brake.
C) Wedge brake.
D) Hydraulic brake.
11. What is a "low-air warning" device?
A) A light that tells you when to change your air filter.
B) A device that warns you when air pressure in the tanks falls below 60 psi.
C) A buzzer that sounds when you are in low gear.
D) A gauge that shows your tire pressure.
12. A "blackout" marker light should be:
A) Used when driving in fog.
B) Left on at all times.
C) Used only when parked.
D) A different color than red or amber.
13. Which of these is NOT a key point to remember about emergency braking?
A) Controlled braking involves applying the brakes as hard as you can without locking the
wheels.
B) You can slow down by using your emergency brake instead of your service brakes.
C) Stab braking should only be used on vehicles without Anti-lock Braking Systems (ABS).
D) Brakes fade when they get too hot.
14. When driving a large commercial vehicle, how far should you look ahead?
A) 5-8 seconds
B) 8-10 seconds
C) 12-15 seconds
D) 20-25 seconds
15. Which of these is a sign of tire failure?
A) A gentle swaying of the vehicle.
B) A loud "bang" and vibration.
C) A slight pull to the left.
D) A change in the engine's sound.
16. The purpose of the air compressor governor is to:
A) Pump air into the brake chambers.
B) Control when the air compressor pumps air into the storage tanks.
