The semi-trailer has no spring brakes on any axle. What must you do before backing under it?
Alberta Class 1–4 Mock Exam 5
Same format as the real test. Answers stay hidden until you submit. The official time limit is not published; the timer is a practice setting.
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- 30 questions
- untimed
- Pass mark 25/30
All 30 questions in this test
Every question and its answer choices. The correct answers and explanations appear when you take the test above.
The semi-trailer has no spring brakes on any axle. What must you do before backing under it?
- Hook up the air lines and set its brakes
- Raise the landing gear fully before backing
- Chock only the tractor wheels
- Back under it faster so the jaws lock firmly
Division 2.3 gases are:
- Flammable
- Toxic
- Non-flammable and non-toxic
- Corrosive
When is a GPS screen allowed under the distracted driving law?
- Whenever it is held up at eye level
- If mounted and set before driving
- When you type in data at low speed
- Only on highways
When coupling a pintle hitch with a no-slack ram, what confirms the ram is working?
- Listening for the latch click
- Measuring the drawbar height
- A tug test after charging the air
- Checking the trailer lights
You have only one wheel chock when uncoupling. Where should it go?
- Beside the fifth wheel
- Behind the semi-trailer wheel
- In front of the semi-trailer wheel
- Under the tractor steer wheel
Another driver shows road rage toward your vehicle. What should you do?
- Brake suddenly to warn them off
- Lock the doors and get away safely
- Roll down the window and explain
- Follow them closely to get their plate
Under the regulation, when is a vehicle being used "for hire"?
- Whenever passengers share gas costs
- When someone is paid for the service the vehicle provides
- Whenever the vehicle is commercially registered
- Only when a taxi meter is used
During a circle check, what should you see at the fifth wheel?
- The slider pin left unlocked
- A small gap of daylight between the plate and the apron
- Plate flush with the apron, jaws locked on the kingpin
- Jaws left open so the trailer can pivot in turns
What flash point defines a Class 3 flammable liquid?
- Below 37.8 °C
- Below 93 °C
- Above 60.5 °C
- Below 60.5 °C (closed cup)
An ambulance driver ignores a red light without meeting the legal conditions and crashes. What can follow?
- Civil and criminal penalties
- No penalty, since it was an emergency
- Only a warning from the employer
- Only a parking ticket
Why does a C train move less from side to side than an A train?
- Its trailers must always be shorter than an A train's
- It has no fifth wheel at all
- Its rear trailer must always be the heavier trailer
- Its double drawbar leaves one pivot point
Students must cross a rural highway after leaving the bus. Where should they walk first?
- Two paces beside the door
- At least 10 paces in front of the bus
- Directly behind the bus
- Along the shoulder to the rear
A child weighing 15 kg is your passenger. What does the law require?
- A booster cushion and lap belt
- Nothing if the trip is short
- A lap and shoulder belt only
- A properly installed car seat
What is the maximum overall length of a tractor semi-trailer?
- 23 m
- 27.5 m
- 20 m
- 25 m
Which standard sets the cargo securement rules adopted in Alberta?
- CSA Standard D250
- NSC Standard 10
- NSC Standard 13
- The Highway Traffic Act
The load is stuck in the raised box. What should you do?
- Lower the box first
- Climb in and loosen it with a shovel
- Drive forward sharply to shake it loose
- Raise the box higher and wait
A loaded truck travels twice as fast as an empty truck half its weight. How much more braking force does it need?
- Six times as much
- Eight times as much
- Twice as much
- Four times as much
How is a converter dolly handled in trip inspections?
- Only at the annual inspection
- On its own separate report
- It never needs to be inspected
- As part of the trailer it carries
Your bus breaks down in a safe spot with no danger nearby. Where should the passengers usually stay?
- On the roadside ditch
- In the oncoming lane shoulder
- Walking to the next stop
- On the bus
You pass the Class 1 road test in a truck with an automatic transmission. What is the result?
- You must take the road test again within 12 months
- Your licence becomes a Class 3 instead
- You may only drive within 160 km of your home terminal
- A condition code limits you to automatic trucks
By law, which door do students use to enter and leave a school bus?
- The rear door in bad weather
- The front door
- Either door, at the driver's choice
- The rear door when the bus is full
Under federal rules, a driver may not drive unless they have had at least how much consecutive time off in the previous 14 days?
- 72 hours
- 48 hours
- 24 hours
- 36 hours
Which licence class lets you drive a single motor vehicle with three or more axles, such as a tandem dump truck?
- Class 5
- Class 2 only
- Class 4
- Class 3
Compared with level ground at the same speed, how does stopping distance change going downhill?
- It stays the same
- It gets shorter because of weight
- It gets longer because of gravity
- It gets shorter if the brakes are hot
After stopping to let passengers out, what should you check before they open the doors?
- The mirrors, for people near the doors
- The odometer reading for the fare
- The fuel gauge for the next trip
- The radio volume
You hold a Class 5 GDL (probationary) licence. Can you apply for a Class 3 licence now?
- No, not while you are a probationary GDL driver
- Yes, once you have passed the knowledge test
- Only for farm-registered trucks
- Yes, as long as you are at least 18 years old
When uncoupling, what do you do before disconnecting the air and electrical lines?
- Raise the fifth wheel
- Pull the tractor ahead slowly
- Remove the wheel chocks
- Lower the landing gear
What is brake lag time in an air brake system?
- The time from pressing the pedal until a full stop
- The delay while air flows to apply the brakes
- The time the compressor takes to refill tanks
- The time the driver takes to notice the hazard ahead
The bus chapter is mainly about school buses. Does it matter to other bus drivers?
- Only if the bus has an S endorsement
- No, it applies only to school buses
- Only the railway section applies
- Yes, most of it applies to all bus operations
A substance gives off flammable gas when it gets wet. Which division is it?
- Division 4.1
- Division 4.2
- Division 4.3
- Division 5.1
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