Truck Driving Championships Exam (2025) comprehensive
questions and verified answers (detailed & elaborated)
ACTUAL EXAM 2025 TEST!!
1. Before starting a trip, what is the most important reason for conducting a
pre-trip inspection?
A) To check if the truck looks clean
B) To identify any safety defects that could cause accidents or breakdowns
C) To check the driver’s schedule
D) To ensure the cargo is locked
Answer: B) To identify any safety defects that could cause accidents or
breakdowns
2. When backing a truck with a trailer, what is the best practice?
A) Use only your mirrors
B) Have a spotter assist you if possible
C) Back up quickly to save time
D) Turn the steering wheel sharply in one direction
Answer: B) Have a spotter assist you if possible
3. What does a yellow traffic signal mean?
A) Stop immediately
B) Speed up to clear the intersection
C) Proceed with caution; the light will soon turn red
D) Yield to all traffic
Answer: C) Proceed with caution; the light will soon turn red
,4. What is the maximum allowed blood alcohol concentration (BAC) for a
commercial driver in the United States?
A) 0.08%
B) 0.10%
C) 0.04%
D) 0.02%
Answer: C) 0.04%
5. When driving in icy conditions, what should you do?
A) Brake hard to avoid slipping
B) Increase following distance and reduce speed
C) Use cruise control for stability
D) Drive in the center lane only
Answer: B) Increase following distance and reduce speed
6. How often should a driver take a break according to Hours of Service
regulations?
A) Every 8 hours of driving
B) After 4 hours of driving
C) After 10 hours of driving
D) Every 2 hours of driving
Answer: A) Every 8 hours of driving
7. What should you do if your brakes fail while driving downhill?
A) Pump the brakes rapidly
B) Shift to a lower gear and use the engine brake
C) Turn off the engine
D) Steer off the road immediately
Answer: B) Shift to a lower gear and use the engine brake
, 8. What is the purpose of the “twelve-second rule” while driving?
A) To check your mirrors every twelve seconds
B) To maintain a safe following distance
C) To allow time to react to traffic conditions ahead
D) To count how many cars are in front of you
Answer: C) To allow time to react to traffic conditions ahead
9. Which of the following is NOT part of a proper coupling procedure?
A) Making sure the trailer is level with the fifth wheel
B) Inspecting the locking jaws
C) Checking that the emergency brakes on the trailer are released
D) Ensuring the kingpin is properly locked
Answer: C) Checking that the emergency brakes on the trailer are released
(Emergency brakes should be applied during coupling.)
10. What should you do if you encounter a hazardous materials spill on the
road?
A) Drive through it quickly
B) Report it to the authorities immediately and avoid the area
C) Try to clean it yourself
D) Ignore it if it’s a small spill
Answer: B) Report it to the authorities immediately and avoid the area
11. When checking your tires during a pre-trip inspection, what is the minimum
tread depth allowed on the front tires?
A) 2/32 inch
B) 4/32 inch
C) 6/32 inch
D) 8/32 inch
Answer: B) 4/32 inch
questions and verified answers (detailed & elaborated)
ACTUAL EXAM 2025 TEST!!
1. Before starting a trip, what is the most important reason for conducting a
pre-trip inspection?
A) To check if the truck looks clean
B) To identify any safety defects that could cause accidents or breakdowns
C) To check the driver’s schedule
D) To ensure the cargo is locked
Answer: B) To identify any safety defects that could cause accidents or
breakdowns
2. When backing a truck with a trailer, what is the best practice?
A) Use only your mirrors
B) Have a spotter assist you if possible
C) Back up quickly to save time
D) Turn the steering wheel sharply in one direction
Answer: B) Have a spotter assist you if possible
3. What does a yellow traffic signal mean?
A) Stop immediately
B) Speed up to clear the intersection
C) Proceed with caution; the light will soon turn red
D) Yield to all traffic
Answer: C) Proceed with caution; the light will soon turn red
,4. What is the maximum allowed blood alcohol concentration (BAC) for a
commercial driver in the United States?
A) 0.08%
B) 0.10%
C) 0.04%
D) 0.02%
Answer: C) 0.04%
5. When driving in icy conditions, what should you do?
A) Brake hard to avoid slipping
B) Increase following distance and reduce speed
C) Use cruise control for stability
D) Drive in the center lane only
Answer: B) Increase following distance and reduce speed
6. How often should a driver take a break according to Hours of Service
regulations?
A) Every 8 hours of driving
B) After 4 hours of driving
C) After 10 hours of driving
D) Every 2 hours of driving
Answer: A) Every 8 hours of driving
7. What should you do if your brakes fail while driving downhill?
A) Pump the brakes rapidly
B) Shift to a lower gear and use the engine brake
C) Turn off the engine
D) Steer off the road immediately
Answer: B) Shift to a lower gear and use the engine brake
, 8. What is the purpose of the “twelve-second rule” while driving?
A) To check your mirrors every twelve seconds
B) To maintain a safe following distance
C) To allow time to react to traffic conditions ahead
D) To count how many cars are in front of you
Answer: C) To allow time to react to traffic conditions ahead
9. Which of the following is NOT part of a proper coupling procedure?
A) Making sure the trailer is level with the fifth wheel
B) Inspecting the locking jaws
C) Checking that the emergency brakes on the trailer are released
D) Ensuring the kingpin is properly locked
Answer: C) Checking that the emergency brakes on the trailer are released
(Emergency brakes should be applied during coupling.)
10. What should you do if you encounter a hazardous materials spill on the
road?
A) Drive through it quickly
B) Report it to the authorities immediately and avoid the area
C) Try to clean it yourself
D) Ignore it if it’s a small spill
Answer: B) Report it to the authorities immediately and avoid the area
11. When checking your tires during a pre-trip inspection, what is the minimum
tread depth allowed on the front tires?
A) 2/32 inch
B) 4/32 inch
C) 6/32 inch
D) 8/32 inch
Answer: B) 4/32 inch
