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Based on 2025 BC commercial driver's licence manual
Updated for August 2025
BC Class 1 Commercial Licence Practice Test 5
If you plan to drive semi-trailers or any other heavy commercial equipment in BC, you'll most likely need a Class 1 commercial licence (also known as a commercial driver's licence). This practice test will help you prepare for your Class 1 knowledge exam. It contains 50 questions based on the official commercial driver's handbook. You'll get a hint and a detailed explanation for each question to help you better understand and remember the underlying rule.
Perfect for first-time and renewal commercial applicants, and those adding endorsements
Triple-checked for accuracy
About this test
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If a fire starts in your vehicle, you should do which of the following?
When backing up a large vehicle, you should
How should you back up a tractor-trailer?
To back up with the aid of a guide, what should you do?
When backing up your tractor toward your trailer in preparation for coupling, you should
Which of the following are true about brake fade?
As air pressure builds during your pre-trip inspection of the air brakes, the low air pressure warning device should deactivate at
While you're charging the trailer braking system, you find that the trailer brakes do not release. What are some possible causes?
When coupling a tractor and trailer, before you raise the landing gear completely, you should
When coupling a tractor to a trailer that lacks spring brakes, you back up the tractor to the trailer. Then you exit the cab and do what?
Which of the following can increase the danger of crossing railway tracks?
When crossing railway tracks, you should
According to the British Columbia Driving Commercial Vehicles Manual, when you drive a large commercial vehicle on a public roadway, you should leave at least ________ of space between your vehicle and other large commercial vehicles.
Sudden steering movements can
When driving at night, you should do which of the following?
To drive safely under snowy or icy conditions, what should you do?
When driving in the United States, you may drive no more than ____ hours during your on-duty time.
When driving in the Yukon or Northwest Territories, you can be on duty for no more than ____ hours at a time.
When driving in the Yukon or Northwest Territories, you may drive no more than ____ hours during your on-duty time.
How should you drive through a large amount of water on the roadway?
When approaching a narrow bridge from a curve, you should
When a tractor-trailer is loaded, the cargo should be placed
When a tractor-trailer is loaded, the cargo should be
When are you required to complete a pre-hill inspection?
How should you handle driving around a curve?
If you are parking a single-unit (straight) vehicle on an upgrade without a curb, you should
If you are parking a tractor-trailer on an upgrade, you should
To park a trailer that is not equipped with spring brakes, you should
When you park a trailer, you can place blocks or pads under the landing gear
When parking a vehicle with a two-speed axle, in which range should you leave the axle?
If you are parking a truck on a downgrade, you should
When pulling out from an alley, you must
When refuelling your vehicle, you should
With progressive shifting, you should do which of the following?
When should you adjust an automatic slack adjuster?
When should you check the tire pressures?
To stop quickly in an emergency, what should you do if your vehicle has antilock brakes (ABS)?
When transporting a large boulder on a flatbed vehicle, you should support it with at least ____ piece(s) of hardwood blocking and secure it with at least ____ chain(s).
When transporting heavy metal coils, you should
When a vehicle's speed is doubled, how much more stopping power is required?
In vehicle control systems, what does ATC refer to?
What is another term for engine retarders?
If both the vehicle's weight and speed are doubled, how much more stopping power is needed?
When observing a potential hazard on the road while driving, what's a precautionary action you can take?
What can help to decrease fuel usage by up to 30%?
Which statement is FALSE about stopping safely?
What is the function of retarders in the vehicle?
When operating a bus, truck, or other large vehicle, what is the least following distance needed?
Why might you apply a light drag on the brakes while driving in water?
If a fire starts in your vehicle, you should do which of the following?
When backing up a large vehicle, you should
How should you back up a tractor-trailer?
To back up with the aid of a guide, what should you do?
When backing up your tractor toward your trailer in preparation for coupling, you should
Which of the following are true about brake fade?
As air pressure builds during your pre-trip inspection of the air brakes, the low air pressure warning device should deactivate at
While you're charging the trailer braking system, you find that the trailer brakes do not release. What are some possible causes?
When coupling a tractor and trailer, before you raise the landing gear completely, you should
When coupling a tractor to a trailer that lacks spring brakes, you back up the tractor to the trailer. Then you exit the cab and do what?
Which of the following can increase the danger of crossing railway tracks?
When crossing railway tracks, you should
According to the British Columbia Driving Commercial Vehicles Manual, when you drive a large commercial vehicle on a public roadway, you should leave at least ________ of space between your vehicle and other large commercial vehicles.
Sudden steering movements can
When driving at night, you should do which of the following?
To drive safely under snowy or icy conditions, what should you do?
When driving in the United States, you may drive no more than ____ hours during your on-duty time.
When driving in the Yukon or Northwest Territories, you can be on duty for no more than ____ hours at a time.
When driving in the Yukon or Northwest Territories, you may drive no more than ____ hours during your on-duty time.
How should you drive through a large amount of water on the roadway?
When approaching a narrow bridge from a curve, you should
When a tractor-trailer is loaded, the cargo should be placed
When a tractor-trailer is loaded, the cargo should be
When are you required to complete a pre-hill inspection?
How should you handle driving around a curve?
If you are parking a single-unit (straight) vehicle on an upgrade without a curb, you should
If you are parking a tractor-trailer on an upgrade, you should
To park a trailer that is not equipped with spring brakes, you should
When you park a trailer, you can place blocks or pads under the landing gear
When parking a vehicle with a two-speed axle, in which range should you leave the axle?
If you are parking a truck on a downgrade, you should
When pulling out from an alley, you must
When refuelling your vehicle, you should
With progressive shifting, you should do which of the following?
When should you adjust an automatic slack adjuster?
When should you check the tire pressures?
To stop quickly in an emergency, what should you do if your vehicle has antilock brakes (ABS)?
When transporting a large boulder on a flatbed vehicle, you should support it with at least ____ piece(s) of hardwood blocking and secure it with at least ____ chain(s).
When transporting heavy metal coils, you should
When a vehicle's speed is doubled, how much more stopping power is required?
In vehicle control systems, what does ATC refer to?
What is another term for engine retarders?
If both the vehicle's weight and speed are doubled, how much more stopping power is needed?
When observing a potential hazard on the road while driving, what's a precautionary action you can take?
What can help to decrease fuel usage by up to 30%?
Which statement is FALSE about stopping safely?
What is the function of retarders in the vehicle?
When operating a bus, truck, or other large vehicle, what is the least following distance needed?
Why might you apply a light drag on the brakes while driving in water?
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Explore our rigorous, multi-tiered verification process that ensures each question mirrors the official manual for unparalleled accuracy.
Written by Andrei ZakhareuskiUpdated over a week ago
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