ICBC Class 4 Knowledge Test Practice | BC Learners Test Practice

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Truck Test 5

1.When stopping on slippery surfaces with an ABS equipped truck, how should you apply the brake pedal?

With intermittent pressure

With as much pressure as possible

With light pressure

With firm continuous pressure

Correct! Wrong!

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Truck Test 5

2.If your vehicle is equipped with an air dryer system, you need to drain the reservoirs…?

Never

Less often

As often as if the system wasn't there

More often

Correct! Wrong!

Progress
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Truck Test 5

3.With brakes on the same axle, pushrod travel should be…?

Any of these

High on the right than the left

The same on each side

Higher on the left than the right

Correct! Wrong!

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Truck Test 5

4.An application pressure gauge shows what?

The pressure being delivered to the brakes

The pressure in the compressor

The pressure in the supply tank

The pressure in the secondary tank

Correct! Wrong!

Progress
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Truck Test 5

5.Which of these people is ultimately responsible for making sure air brakes are working properly?

State inspection officials

The company mechanic

The vehicle driver

The vehicle owner

Correct! Wrong!

Progress
05/45

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Truck Test 5

6.If your vehicle has wedge brakes, you will know the automatic adjusters have failed if when the brakes are applied and released the linings move more than…?

1/32 of an inch

1/8 of an inch

1/4 of an inch

1/16 of an inch

Correct! Wrong!

Progress
06/45

Truck Test 5

7.On which of these vehicles are you most likely to find air over hydraulic brakes?

A heavyweight truck

A bus

A crane towing vehicle

A heavyweight emergency response vehicle

Correct! Wrong!

Progress
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Truck Test 5

8.If a vehicle is equipped with a tractor parking brake valve, it will usually be what colour?

Yellow button

Red button

Blue button

Green button

Correct! Wrong!

Progress
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Truck Test 5

9.Your vehicle will have automatic slack adjusters if it was built later than…?

2006

1986

1996

1976

Correct! Wrong!

Progress
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Truck Test 5

10.Which of these statements is most accurate regarding poorly adjusted brakes?

You may not notice poor adjustment in normal operation

It is safe to use poorly adjusted brakes in normal operation

Poorly adjusted brakes will work normally if you increase pedal pressure

You will immediately notice poor adjustment

Correct! Wrong!

Progress
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Truck Test 5

11.The trailer air supply knob on the dashboard will usually be what shape?

Circle

Square

Hexagon

Octagon

Correct! Wrong!

Progress
011/45

Truck Test 5

12.A tractor with a bobtail proportioning system will reduce the braking pressure to the drive axle brakes by up to…?

75%

10%

25%

50%

Correct! Wrong!

Progress
012/45

Truck Test 5

13.In a Type 30 brake chamber, the maximum available stroke is…?

0.5 inches

1.5 inches

3.5 inches

2.5 inches

Correct! Wrong!

Progress
013/45

Truck Test 5

14.Automatic slack adjusters need to be checked…?

More often than manual adjusters

Less often than manual adjusters

Only during servicing

As often as manual adjusters

Correct! Wrong!

Progress
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Truck Test 5

15.When you want to apply the trailer brakes without applying the tractor brakes, what should you use?

The foot valve

The trailer air supply valve

Any of these

The hand valve

Correct! Wrong!

Progress
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Truck Test 5

16.Which of these factors influence braking performance?

Road conditions

Vehicle aerodynamics

Brake adjustment

All of them

Correct! Wrong!

Progress
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Truck Test 5

17.The emergency brake will come on automatically when the air pressure in the service brake system drops below…?

55 psi

25 psi

60 psi

45 psi

Correct! Wrong!

Progress
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Truck Test 5

18.When unloaded, a vehicle can stop in 20 m from 20 km/h. If the weight of the vehicle is doubled, how far will it need to stop from 40 km/h with the same brake pressure?

40 m

160 m

80 m

120 m

Correct! Wrong!

Progress
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Truck Test 5

19.When adjusting brakes, the vehicle should…?

Have the engine off

Have the wheels chocked

Be on level ground

Fulfil all these conditions

Correct! Wrong!

Progress
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Truck Test 5

20.In a manual transmission vehicle, the brakes should be checked with the transmission in what gear?

Neutral

Second

Third

First

Correct! Wrong!

Progress
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Truck Test 5

21.When using anti-lock brakes, you have to get used to…?

Holding the brake pedal to the floor

Pumping the brake pedal

Holding the brake pedal exactly half close

Releasing the brake pedal completely

Correct! Wrong!

Progress
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Truck Test 5

22.When the brakes are on, the angle between the slack adjuster and the pushrod should be what?

120°

90°

60°

45°

Correct! Wrong!

Progress
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Truck Test 5

23.If the weight of your load doubles the weight of your vehicle, the stopping distance for the same brake pressure will be…?

Doubled

Halved

Trebled

Quadrupled

Correct! Wrong!

Progress
023/45

Truck Test 5

24.You're travelling at 90 km an hour and your brake system has a lag of half a second. How far will your vehicle travel in the time between you pressing the brake pedal and the brakes engaging?

18.5 m

6.5 m

14.5 m

12.5 m

Correct! Wrong!

Progress
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Truck Test 5

25.When checking brake adjustment, the air pressure gauge must read over what?

80 psi

120 psi

90 psi

60 psi

Correct! Wrong!

Progress
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Truck Test 5

26.The brake pressure gauge tells you what?

The pressure at the brake pedal

The pressure in the brake lines

The pressure in the brake chambers

All of these

Correct! Wrong!

Progress
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Truck Test 5

27.When can the trailer handbrake be used as a parking brake?

For short periods

When in depot

Never

On level ground

Correct! Wrong!

Progress
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Truck Test 5

28.The low air pressure indicator will always come on if the pressure drops below what level?

65 psi

35 psi

45 psi

60 psi

Correct! Wrong!

Progress
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Truck Test 5

29.What colour is the trailer air supply knob?

Red

Green

Blue

Yellow

Correct! Wrong!

Progress
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Truck Test 5

30.What is the handbrake used for?

The service brakes on the semitrailer’s wheels

The service brakes on all wheels

The spring brakes on the tractor wheels

The spring brakes on all wheels

Correct! Wrong!

Progress
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Truck Test 5

31.In a braking sequence, after the driver presses down on the brake pedal, what happens?

Air travels into the brake chambers

The push rod moves forward

The brake shoes contact the drums

All these things happen simultaneously

Correct! Wrong!

Progress
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Truck Test 5

32.Brake linings lose all effectiveness at temperatures over…?

350°C

450°C

500°C

550°C

Correct! Wrong!

Progress
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Truck Test 5

33.Heavy vehicles have a minimum of how many compressed air reservoirs?

Four

Three

Two

Five

Correct! Wrong!

Progress
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Truck Test 5

34.What is the big advantage that air brake systems have over hydraulic braking systems?

Greener

Cheaper

More powerful

All of these

Correct! Wrong!

Progress
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Truck Test 5

35.The brake linings can be found where?

On the S-cam

On the pushrod

On the brake drum

On the brake shoes

Correct! Wrong!

Progress
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Truck Test 5

36.Which of these limits your braking capability?

The available air pressure

How hard you can press on the brake

How long the supply lines are

All of these

Correct! Wrong!

Progress
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Truck Test 5

37.The truck parking brake control is what colour?

Yellow

Red

Blue

Green

Correct! Wrong!

Progress
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Truck Test 5

38.When connecting brake hose couplers, they should be held together at…?

45°

60°

90°

120°

Correct! Wrong!

Progress
038/45

Truck Test 5

39.The air pressure gauge tells you what?

The air pressure in the service reservoirs

The air pressure in the supply lines

The average air pressure across the system

The air pressure in the brake chambers

Correct! Wrong!

Progress
039/45

Truck Test 5

40.The emergency brakes can be activated by doing what?

Pulling the handbrake

Pumping the brake pedal

Pulling out the parking brake control

Pushing in the parking brake control

Correct! Wrong!

Progress
040/45

Truck Test 5

41.Compared to hydraulic brakes, air brakes react…?

At the same speed

Any of these depending on age of vehicle

Faster

More slowly

Correct! Wrong!

Progress
041/45

Truck Test 5

42.When you double your speed, the amount of braking power required for the same stopping distance as your initial speed is…?

Halved

Trebled

Doubled

Quadrupled

Correct! Wrong!

Progress
042/45

Truck Test 5

43.An air brake system can go from a pressure loss to emergency braking within…?

A few seconds

A few dozen seconds

A few hours

A few minutes

Correct! Wrong!

Progress
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Truck Test 5

44.To keep brake hose couplers clean when not in use, they can be hooked up to dummy couplers or…?

Covered with plastic bags

Hooked to each other

Blocked off with rags

Sealed with grease

Correct! Wrong!

Progress
044/45

Truck Test 5

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

Degrees Celsius (°C)

Pounds per square inch (psi)

Kilometer per hour (km/h)

Revolutions per minute (rpm)

Correct! Wrong!

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Dear user, its time to take Fastrack success in driving! Our premium plan increases the chances of passing in first attempt. Don’t wait, upgrade now!

Truck Test 5

1.When stopping on slippery surfaces with an ABS equipped truck, how should you apply the brake pedal?

Progress 01/45

The road to first-time pass begins with our premium package. From road rules, safety driving practices to emergency handling, we got you all covered.

Truck Test 5

2.If your vehicle is equipped with an air dryer system, you need to drain the reservoirs…?

Progress 02/45

Experience excellence with our premium offering! Access to 20 real ICBC knowledge test questions, ad-free learning, personalized dashboard access, and performance tracker.

Truck Test 5

3.With brakes on the same axle, pushrod travel should be…?

Progress 03/45

Don’t settle for less! Accelerate your progress with our $4.99 premium plan for seven days and get secured passing score in ICBC knowledge test.

Truck Test 5

4.An application pressure gauge shows what?

Progress 04/45

Hurry Up! Limited offer! Grab your chance to excel with 30 days of in-depth learning on rules of the road just for $14.99.

Truck Test 5

5.Which of these people is ultimately responsible for making sure air brakes are working properly?

Progress 05/45

Increase the chances of passing with premium! 20 real exam-like practice tests, topic-wise flashcards, ad-free learning, personalized dashboard access and unlimited practice.

Truck Test 5

6.If your vehicle has wedge brakes, you will know the automatic adjusters have failed if when the brakes are applied and released the linings move more than…?

Progress 06/45

Truck Test 5

7.On which of these vehicles are you most likely to find air over hydraulic brakes?

Progress 07/45

Truck Test 5

8.If a vehicle is equipped with a tractor parking brake valve, it will usually be what colour?

Progress 08/45

Truck Test 5

9.Your vehicle will have automatic slack adjusters if it was built later than…?

Progress 09/45

Truck Test 5

10.Which of these statements is most accurate regarding poorly adjusted brakes?

Progress 010/45

Truck Test 5

11.The trailer air supply knob on the dashboard will usually be what shape?

Progress 011/45

Truck Test 5

12.A tractor with a bobtail proportioning system will reduce the braking pressure to the drive axle brakes by up to…?

Progress 012/45

Truck Test 5

13.In a Type 30 brake chamber, the maximum available stroke is…?

Progress 013/45

Truck Test 5

14.Automatic slack adjusters need to be checked…?

Progress 014/45

Truck Test 5

15.When you want to apply the trailer brakes without applying the tractor brakes, what should you use?

Progress 015/45

Truck Test 5

16.Which of these factors influence braking performance?

Progress 016/45

Truck Test 5

17.The emergency brake will come on automatically when the air pressure in the service brake system drops below…?

Progress 017/45

Truck Test 5

18.When unloaded, a vehicle can stop in 20 m from 20 km/h. If the weight of the vehicle is doubled, how far will it need to stop from 40 km/h with the same brake pressure?

Progress 018/45

Truck Test 5

19.When adjusting brakes, the vehicle should…?

Progress 019/45

Truck Test 5

20.In a manual transmission vehicle, the brakes should be checked with the transmission in what gear?

Progress 020/45

Truck Test 5

21.When using anti-lock brakes, you have to get used to…?

Progress 021/45

Truck Test 5

22.When the brakes are on, the angle between the slack adjuster and the pushrod should be what?

Progress 022/45

Truck Test 5

23.If the weight of your load doubles the weight of your vehicle, the stopping distance for the same brake pressure will be…?

Progress 023/45

Truck Test 5

24.You're travelling at 90 km an hour and your brake system has a lag of half a second. How far will your vehicle travel in the time between you pressing the brake pedal and the brakes engaging?

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