TEXAS CDL: GENERAL KNOWLEDGE QUESTIONS AND CORRECT
ANSWERS 100% PASS| GRADED A+
1. What is the most important reason for doing a pre-trip inspection?
a) To avoid getting a ticket.
b) To ensure the vehicle is safe to operate and prevent accidents.
c) To practice for the CDL test.
d) To check the fuel level.
ANSWER: b) To ensure the vehicle is safe to operate and prevent accidents.
2. The Commercial Driver's License (CDL) program is regulated by:
a) The Texas Department of Public Safety (DPS) only.
b) The Federal Motor Carrier Safety Administration (FMCSA).
c) The Department of Transportation (DOT).
d) Both b and c.
ANSWER: d) Both b and c.
3. A vehicle's "gross vehicle weight rating" (GVWR) is:
a) The maximum weight the vehicle can carry, including its own weight.
b) The weight of the cargo only.
c) The weight of the empty vehicle.
d) The weight of the fuel and the driver.
ANSWER: a) The maximum weight the vehicle can carry, including its own weight.
4. Which of these is not a type of vehicle requiring a CDL?
a) A vehicle with a GVWR of 26,001 pounds or more.
b) A vehicle towing a trailer with a GVWR of 10,001 pounds or more, if the combined weight is 26,001
lbs or more.
c) A vehicle designed to transport 16 or more passengers (including the driver).
,d) A personal pickup truck towing a horse trailer for personal use.
ANSWER: d) A personal pickup truck towing a horse trailer for personal use.
5. Who is responsible for ensuring that a vehicle is not overloaded?
a) The shipper.
b) The driver.
c) The carrier.
d) Both the driver and the carrier.
ANSWER: d) Both the driver and the carrier.
6. What is the minimum tread depth for front tires on a commercial motor vehicle?
a) 1/32 inch
b) 2/32 inch
c) 4/32 inch
d) 1/16 inch
ANSWER: c) 4/32 inch
7. What is the minimum tread depth for other tires (not the front) on a commercial motor vehicle?
a) 1/32 inch
b) 2/32 inch
c) 4/32 inch
d) 1/16 inch
ANSWER: b) 2/32 inch
8. You should use your turn signals at least how many feet before turning in a commercial vehicle?
a) 50 feet
b) 100 feet
c) 200 feet
d) 500 feet
,ANSWER: b) 100 feet
9. The distance your vehicle travels from the time your eyes see a hazard to the time your brain
recognizes it is called:
a) Braking distance.
b) Perception distance.
c) Reaction distance.
d) Total stopping distance.
ANSWER: b) Perception distance.
10. If you are stopped at a railroad crossing, you must be at least how many feet from the nearest rail?
a) 5 feet
b) 10 feet
c) 15 feet
d) 25 feet
ANSWER: c) 15 feet
11. 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 safe to back up as long as you have mirrors.
c) You should avoid backing whenever you can.
d) You do not need a helper if you can see clearly behind you.
ANSWER: c) You should avoid backing whenever you can.
12. When backing, you should:
a) Use only the mirrors.
b) Back toward the driver's side whenever possible.
c) Rely solely on a helper's signals.
d) Honk your horn and back up quickly.
, ANSWER: b) Back toward the driver's side whenever possible.
13. The "reaction distance" is the distance traveled from the time:
a) You see a hazard to the time you hit the brakes.
b) You hit the brakes to the time the vehicle stops.
c) You see a hazard to the time your vehicle stops completely.
d) You decide to brake to the time your foot touches the pedal.
ANSWER: a) You see a hazard to the time you hit the brakes.
14. Which of these is a good rule to follow when driving at night?
a) Drive faster to reduce your time on the road.
b) Look directly at oncoming headlights.
c) Keep your speed slow enough to stop within the distance you can see ahead.
d) Use your high beams in all situations.
ANSWER: c) Keep your speed slow enough to stop within the distance you can see ahead.
15. You are driving a 40-foot vehicle at 50 mph. The road is dry and clear. What is the least amount of
space you should keep in front of your vehicle?
a) 2 seconds
b) 4 seconds
c) 6 seconds
d) 8 seconds
ANSWER: b) 4 seconds
16. You should increase your following distance when:
a) The road is dry and clear.
b) You are being tailgated.
c) Driving on an expressway.
d) You are traveling at night.
ANSWERS 100% PASS| GRADED A+
1. What is the most important reason for doing a pre-trip inspection?
a) To avoid getting a ticket.
b) To ensure the vehicle is safe to operate and prevent accidents.
c) To practice for the CDL test.
d) To check the fuel level.
ANSWER: b) To ensure the vehicle is safe to operate and prevent accidents.
2. The Commercial Driver's License (CDL) program is regulated by:
a) The Texas Department of Public Safety (DPS) only.
b) The Federal Motor Carrier Safety Administration (FMCSA).
c) The Department of Transportation (DOT).
d) Both b and c.
ANSWER: d) Both b and c.
3. A vehicle's "gross vehicle weight rating" (GVWR) is:
a) The maximum weight the vehicle can carry, including its own weight.
b) The weight of the cargo only.
c) The weight of the empty vehicle.
d) The weight of the fuel and the driver.
ANSWER: a) The maximum weight the vehicle can carry, including its own weight.
4. Which of these is not a type of vehicle requiring a CDL?
a) A vehicle with a GVWR of 26,001 pounds or more.
b) A vehicle towing a trailer with a GVWR of 10,001 pounds or more, if the combined weight is 26,001
lbs or more.
c) A vehicle designed to transport 16 or more passengers (including the driver).
,d) A personal pickup truck towing a horse trailer for personal use.
ANSWER: d) A personal pickup truck towing a horse trailer for personal use.
5. Who is responsible for ensuring that a vehicle is not overloaded?
a) The shipper.
b) The driver.
c) The carrier.
d) Both the driver and the carrier.
ANSWER: d) Both the driver and the carrier.
6. What is the minimum tread depth for front tires on a commercial motor vehicle?
a) 1/32 inch
b) 2/32 inch
c) 4/32 inch
d) 1/16 inch
ANSWER: c) 4/32 inch
7. What is the minimum tread depth for other tires (not the front) on a commercial motor vehicle?
a) 1/32 inch
b) 2/32 inch
c) 4/32 inch
d) 1/16 inch
ANSWER: b) 2/32 inch
8. You should use your turn signals at least how many feet before turning in a commercial vehicle?
a) 50 feet
b) 100 feet
c) 200 feet
d) 500 feet
,ANSWER: b) 100 feet
9. The distance your vehicle travels from the time your eyes see a hazard to the time your brain
recognizes it is called:
a) Braking distance.
b) Perception distance.
c) Reaction distance.
d) Total stopping distance.
ANSWER: b) Perception distance.
10. If you are stopped at a railroad crossing, you must be at least how many feet from the nearest rail?
a) 5 feet
b) 10 feet
c) 15 feet
d) 25 feet
ANSWER: c) 15 feet
11. 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 safe to back up as long as you have mirrors.
c) You should avoid backing whenever you can.
d) You do not need a helper if you can see clearly behind you.
ANSWER: c) You should avoid backing whenever you can.
12. When backing, you should:
a) Use only the mirrors.
b) Back toward the driver's side whenever possible.
c) Rely solely on a helper's signals.
d) Honk your horn and back up quickly.
, ANSWER: b) Back toward the driver's side whenever possible.
13. The "reaction distance" is the distance traveled from the time:
a) You see a hazard to the time you hit the brakes.
b) You hit the brakes to the time the vehicle stops.
c) You see a hazard to the time your vehicle stops completely.
d) You decide to brake to the time your foot touches the pedal.
ANSWER: a) You see a hazard to the time you hit the brakes.
14. Which of these is a good rule to follow when driving at night?
a) Drive faster to reduce your time on the road.
b) Look directly at oncoming headlights.
c) Keep your speed slow enough to stop within the distance you can see ahead.
d) Use your high beams in all situations.
ANSWER: c) Keep your speed slow enough to stop within the distance you can see ahead.
15. You are driving a 40-foot vehicle at 50 mph. The road is dry and clear. What is the least amount of
space you should keep in front of your vehicle?
a) 2 seconds
b) 4 seconds
c) 6 seconds
d) 8 seconds
ANSWER: b) 4 seconds
16. You should increase your following distance when:
a) The road is dry and clear.
b) You are being tailgated.
c) Driving on an expressway.
d) You are traveling at night.
