Quebec Truck Test-2 - Canada Driving License

1.Why have air brake systems become more popular than hydraulic brakes for heavy vehicles?

Air brakes are more reliable

Vehicles with air brake systems are easier to connect to other vehicles and air-driven equipment

Air brakes are more powerful

All of these

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2.When pressing down on the clutch to change gears with a standard transmission vehicle, you should:

Ensure the leg pressing on the clutch is completely straight

Press the clutch pedal all the way down

Avoid releasing the clutch too quickly or too slowly

Change gears as you're releasing the clutch

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3.What is the difference in technique when downshifting versus upshifting?

With upshifting, you must press down on the accelerator after you release the clutch for the first time

With downshifting, you must press down on the accelerator after you release the clutch for the first time

With downshifting, you must press on the brakes after releasing the clutch for the second time

With upshifting, you must press on the brakes after releasing the clutch for the second time

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4.When should the driver of a heavy vehicle use the double-clutch technique?

When shifting up and when shifting down

Only when shifting up

Only when shifting in the lowest gears

Only when shifting down

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5.In what instance might you need to shift back into the same gear or a lower gear when attempting to upshift?

When going down a hill and picking up too much speed

When the vehicle slows down too much during double-clutching

When you release the clutch too quickly

When you have left the vehicle in neutral for too long

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6.What is the unit of measurement indicated by a tachometer?

Degrees Celsius (°C)

Pounds per square inch (psi)

Kilometre per hour (km/h)

Revolutions per minute (rpm)

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7.At what temperature is black ice most likely to form on the roadway?

1°C

-20°C

10°C

-10°C

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8.What is the usual engine speed range within which most motor vehicles operate efficiently?

1400-2000 rpm

800-1400 rpm

1200-1800 rpm

1600-2200 rpm

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9.What is the major advantage of progressive shifting over other methods?

It leads to major fuels savings

It protects the engine from damage

It gives the driver greater control over the gear shift

It is safer on dangerous road conditions

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10.If you are planning to downshift from 6th gear to 5th gear, but your vehicle has slowed down dramatically while in neutral, which gear should you shift to?

7th

5th

4th

6th

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11.What is the cause of 'highway hypnosis'?

Frequent changes in the road environment such as hills and curves

Over-stimulation from busy highways and heavy oncoming traffic

Excessive noise from the engine or exhaust system of the vehicle

Driving for long periods where the surroundings are monotonous

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12.What is the recommended maximum cruising speed for a heavy vehicle on the highway?

120 km/h

110 km/h

100 km/h

90 km/h

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13.If you are finding it difficult to concentrate on the road, maintain a consistent speed and keep your eyes open, you should:

Pull over as soon as it is safe to do so and take a rest

Open the windows to reinvigorate yourself

Assess whether it is only a mild case of fatigue and carry on driving

Allow yourself to take 5-second 'micro-naps' while driving

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14.If one of the hydraulic brake circuits is defective or if the engine shuts down and the vehicle stalls, what action will be needed to successfully stop the vehicle?

Shift the vehicle to neutral

Gently pump the brake pedal

Press the brake pedal harder

Apply the service brake and the parking brake at the same time

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15.Which of the following is incorrect with regards to the pre-trip inspection that should be conducted during winter?

Pay special attention to the brake system to ensure it is working

Equip the vehicle with special tires for winter weather

Ensure the air supply reservoir is full

Ensure the use of special engine oil for cold weather

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16.What is the correct way to ensure you are following the vehicle in front at a safe distance:

Estimate the length of the vehicle you are trailing and ensure there are about four of those vehicle lengths in between you

Leave one second for every three metres of your vehicle's length and count out the seconds using a stationary object at the side of the road

Turn on your high beams and check that the vehicle in front is at least beyond the range of the beams

Get very close to the vehicle in front and then slowly apply the brakes and count to 4 seconds

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17.If an air compressor begins operating when the air pressure in the service reservoirs drops below 714 kPa, then the air compressor will stop filling them when the pressure reaches:

890 kPa

828 kPa

852 kPa

866 kPa

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18.Which of the following statements is true about the primary and secondary circuits of an air brake system?

The driver controls the two circuits separately

The two circuits work in synchronicity

The two circuits work independently

One circuit cannot work without the other

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19.What happens when the parking brake knob is pushed in?

Compressed air fills the brake chambers

The air supply control is activated

Compressed air is released from the brake chambers

The trailer brakes become clamped

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20.What would two needles in an air pressure gauge indicate?

The minimum and maximum amount of air pressure that gets into the brake chambers when the brakes are applied

The amount of air pressure in the service reservoirs for each of the circuits

The amount of air pressure that gets into the brake chambers when the brakes are applied

The minimum and maximum air pressure in the service reservoirs

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21.Retarders will:

Work well in any gear

Slow down but not stop your vehicle

Do the same thing as a runaway lane if your brakes fail

Automatically be operable

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22.What is an essential guideline to follow when negotiating a curve?

Avoid braking in curves

Change gears only after you enter the curve

Always look to the right when you are navigating a curve

Avoid accelerating in curves

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23.Which of the following situations could prevent you from clearing an overpass even if your vehicle is shorter than the height indicated?

There is vehicle coming from the other direction

There is a sign indicating strong crosswinds in the area

There is a heavy load inside your trailer

There is a thick amount of packed snow on the roads

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24.Which of the following is not an appropriate use for the trailer hand brake?

As an alternative option if you want to reduce wear on the parking brake

To check that the semitrailer is properly hitched

To check that the service brakes of the trailer are working after being hitched

To bring the semitrailer to a stop during the hitching process

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25.If the low-pressure light comes on, indicating that your service brake system is failing, what should you do?

Within a few seconds, choose somewhere safe to stop your vehicle

Flip the switch to activate the engine brakes, as these will stop the vehicle

Find the best spot to pull over within the next 5km

Pull the parking brake control out immediately

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26.When entering a right curve in a heavy vehicle, the driver should:

Aim to keep the vehicle aligned in the centre of the lane

Use his or her mirrors to monitor the path of the rear wheels

Keep the front of the vehicle closer to the centre line or the left side of the lane

Keep the front of the vehicle closer to the right side of the road

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27.What is best practice for using your supplemental brakes when going down a hill with a loaded vehicle?

Ensure you are in the low gear range, flip the engine brake switch and take your foot off the accelerator

Upshift to the high gear range and flip the engine brake switch

Apply a steady amount of force on the accelerator and then flip the engine brake switch

Flip the engine brake switch and then apply constant force to the brake pedal

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28.Which is not a major factor contributing to 'brake fading'?

Excessive force on the brake pedal

Prolonged braking distance

Improper brake adjustment

Continuous and unnecessary 'riding' of the brakes

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29.What is the purpose of an air purifier in an air brake system?

It reduces the time required to bleed the air reservoirs

It reduces the frequency with which you need to bleed the air reservoirs

It makes the bleeding process more complicated

It removes the need to bleed the air reservoirs

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30.If you are making a turn in a heavy vehicle, when is the correct time to accelerate?

Any time, as long as you have checked your rearview mirror and blind spots

As you enter the turn

As you are about halfway through the intersection

As you come out of the turn

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31.What does the air pressure gauge tell you?

The difference in pressure between the two brake circuits

The air pressure travelling via brake hoses between adjoining trailers

How much air pressure there is in the service reservoirs

How much compressed air pressure gets into the chambers when the brakes are applied

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32.If you are carrying a heavy load, why is it important to increase your stopping distance rather than increasing your braking power when bringing the vehicle to a stop?

To prevent the brake chambers from filling with too much air

To prevent the brakes from overheating

To prevent the air pressure in the service reservoirs from dropping too low

To prevent the over-rotation of the S-cam

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33.Which of the following is not one of the factors determining the braking power?

Length of the slack adjuster

Size of the diaphragm

Rotation of the S-cam

Radius of the brake shoes

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34.As a responsible driver, you should look ahead over the distance you will be covering in the next:

3-6 seconds

17-20 seconds

12-15 seconds

5-8 seconds

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35.What mechanism causes the vehicle to slow down in a drum brake system when the driver presses the brake pedal?

Air in the brake chambers is emptied, which squeezes strong return springs

The S-cam drives a rod which causes a slack adjuster to make the brakes clamp

Two brake shoes covered with linings press against the drum

Air in the supply reservoirs is released, activating an air purifier

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36.When the brake pedal has been applied, what happens immediately after compressed air pushes on the diaphragm of the brake chamber?

The brake shoes come into contact with the drum

The brake shoes are pulled apart

The push rod is pushed

The S-cam is rotated

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37.If you doing a brake adjustment inspection, what is the sign that your brake(s) needs to be adjusted?

If pulling the slack adjuster requires considerable strength

If the push rod is coming out of the brake chamber

If the brakes on the same axle have identical push rod travel measurements

If the push road travel is more than 19mm

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38.Why is it important for drivers to know about brake lag?

Fluid in hydraulic brakes is compressed more easily than air

Driver reaction time is longer with air brakes

Air brake systems generally require longer stopping distance than hydraulic systems

Hydraulic brakes react less quickly than air brakes to the application of the brake pedal

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39.What does the acronym GVWR stand for?

Gross Vehicle Weight Rating

Gear Valve Wear Resistance

Gross Volume Weight Restriction

Grid Voltage Wheel Rotation

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40.The emergency brake will take over and bring the vehicle to a stop when the pressure in the service brakes drops below:

242 kPa

380 kPa

550 kPa

446 kPa

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41.How is compressed air supplied to a semitrailer's reservoirs?

From the compressor

From the two service reservoirs of the truck or tractor

From the supply reservoir of the truck or tractor

From the emergency reservoir

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42.When is jackknifing most likely to occur?

When the anti-lock braking system comes into play because the driver is attempting to stop urgently

When the angle between the push rod and the slack adjuster is 90°

When the space between the brake lining and the brake drums is too large

When the brake linings are worn down

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43.Air brake systems might operate at different pressure levels, but the difference in pressure between when the air compressor starts and stops operating is always the same. It is:

138 kPa

176 kPa

152 kPa

114 kPa

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44.Which of the sequences below correctly describes how air from the outside of the vehicle travels through the brake system?

Supply reservoir; service reservoirs; air compressor; brake chambers; air filter

Air compressor; air filter; supply reservoir; service reservoirs; brake chambers

Brake chambers; service reservoirs; supply reservoir; air filter; air compressor

Air filter; supply reservoir; service reservoirs; air compressor; brake chambers

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45.How often should you be checking your rearview mirrors?

Before changing lanes to see if anyone is in your blind spots

Quick glances every 10-12 seconds and to complete manoeuvres safely

For about 5-6 seconds straight every minute to get a full grasp of what is happening behind you