NS Learner's Licence Practice Exam | Nova Scotia Driving Test

Truck Test 8

1.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
01/45

Truck Test 8

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

For short periods

When in depot

Never

On level ground

Correct! Wrong!

Progress
02/45

Truck Test 8

3.When you press the brake pedal in an air brake vehicle, what does it do?

Releases compressed air

Starts the compressor working

Directly applies the brakes

Opens the air exhaust ports

Correct! Wrong!

Progress
03/45

Truck Test 8

4.Which reservoir receives air directly from a compressor?

The supply reservoir

The primary reservoir

The secondary reservoir

All of these

Correct! Wrong!

Progress
04/45

Truck Test 8

5.Reservoirs need to be bled…?

Every other day

Every six hours

Every day

Every week

Correct! Wrong!

Progress
05/45

Truck Test 8

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

65 psi

55 psi

45 psi

35 psi

Correct! Wrong!

Progress
06/45

Truck Test 8

7.You will not find spring brake actuators on…?

The front wheels of the tractor

The trailer wheels

The rear wheels of the tractor

Any of these

Correct! Wrong!

Progress
07/45

Truck Test 8

8.When air is forced into the brake chamber, it acts directly on what?

The slack adjuster

The diaphragm

The pushrod

The camshaft

Correct! Wrong!

Progress
08/45

Truck Test 8

9.What colour is the trailer air supply knob?

Green

Blue

Red

Yellow

Correct! Wrong!

Progress
09/45

Truck Test 8

10.What is the handbrake used for?

The service brakes on the semitrailer’s wheels

The spring brakes on the tractor wheels

The service brakes on all wheels

The spring brakes on all wheels

Correct! Wrong!

Progress
010/45

Truck Test 8

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

350°C

450°C

500°C

550°C

Correct! Wrong!

Progress
011/45

Truck Test 8

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

The push rod moves forward

Air travels into the brake chambers

The brake shoes contact the drums

All these things happen simultaneously

Correct! Wrong!

Progress
012/45

Truck Test 8

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

Greener

More powerful

Cheaper

All of these

Correct! Wrong!

Progress
013/45

Truck Test 8

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

Four

Three

Two

Five

Correct! Wrong!

Progress
014/45

Truck Test 8

15.If your vehicle has an air purifier, you should still bleed the supply reservoir how often?

Every week

Every month

Every day

Every three days

Correct! Wrong!

Progress
015/45

Truck Test 8

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

60 psi

120 psi

100 psi

80 psi

Correct! Wrong!

Progress
016/45

Truck Test 8

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

Halved

Doubled

Trebled

Quadrupled

Correct! Wrong!

Progress
017/45

Truck Test 8

18.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
018/45

Truck Test 8

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

45°

60°

90°

120°

Correct! Wrong!

Progress
019/45

Truck Test 8

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

Neutral

Second

Third

First

Correct! Wrong!

Progress
020/45

Truck Test 8

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 closed

Releasing the brake pedal completely

Correct! Wrong!

Progress
021/45

Truck Test 8

22.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
022/45

Truck Test 8

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

55 psi

25 psi

35 psi

45 psi

Correct! Wrong!

Progress
023/45

Truck Test 8

24.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
024/45

Truck Test 8

25.Which of these factors influence braking performance?

Road conditions

Vehicle aerodynamics

Brake adjustment

All of them

Correct! Wrong!

Progress
025/45

Truck Test 8

26.Hydrodynamic retarders work using what?

Exhaust gases

Air pressure

Oil pressure

Magnetic resistance

Correct! Wrong!

Progress
026/45

Truck Test 8

27.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
027/45

Truck Test 8

28.When checking brake adjustments, you should check…?

All wheels

At least the frontmost and rearmost wheels

At least six of the wheels

At least half the wheels

Correct! Wrong!

Progress
028/45

Truck Test 8

29.Brake fade is caused by what?

Under heating

Cold conditions

Overheating

Tired drivers

Correct! Wrong!

Progress
029/45

Truck Test 8

30.Which of these lessens the effect of brake lag?

Two-way valves

One-way valves

Relay valves

Governor valves

Correct! Wrong!

Progress
030/45

Truck Test 8

31.Retarders and engine brakes will not work until…?

You release the accelerator

You turn off the engine

You apply the emergency brake

You press the brake

Correct! Wrong!

Progress
031/45

Truck Test 8

32.Which of these can cause a drop in air pressure?

Broken line

Valve failure

Defective compressor

All of them

Correct! Wrong!

Progress
032/45

Truck Test 8

33.If your brakes have automatic slack adjusters, they have to be checked…?

Weekly

Daily

Monthly

Yearly

Correct! Wrong!

Progress
033/45

Truck Test 8

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

At the same speed

Faster

More slowly

Any of these depending on age of vehicle

Correct! Wrong!

Progress
034/45

Truck Test 8

35.Supplemental brakes always work on which wheels?

The middle trailer wheels

The offside wheels

The drive wheels

The rear trailer wheels

Correct! Wrong!

Progress
035/45

Truck Test 8

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

Hooked to each other

Covered with plastic bags

Blocked off with rags

Sealed with grease

Correct! Wrong!

Progress
036/45

Truck Test 8

37.If an air compressor begins filling the service reservoirs when their pressure drops below 105 psi, it will stop filling them when they reach what level?

110 psi

115 psi

120 psi

125 psi

Correct! Wrong!

Progress
037/45

Truck Test 8

38.Brakes need adjusting if the pushrod travel is more than what?

1 inch

3/4 inch

1 1/2 inch

1/2 inch

Correct! Wrong!

Progress
038/45

Truck Test 8

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 8

40.Air brakes are now fitted on almost all vehicles weighing over…?

4000 kg

3000 kg

5000 kg

2000 kg

Correct! Wrong!

Progress
040/45

Truck Test 8

41.The air compressor will only work if…?

The vehicle is in motion

The engine is running

At least one of these applies

The ignition is switched on

Correct! Wrong!

Progress
041/45

Truck Test 8

42.Spring brakes are used for what?

Parking

Regular braking

Parking and emergency

Emergency

Correct! Wrong!

Progress
042/45

Truck Test 8

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

45°

60°

120°

90°

Correct! Wrong!

Progress
043/45

Truck Test 8

44.In which of the below scenarios would a driver not be permitted to extend his or her hours of driving time?

An unexpected thunderstorm hits the region and delays what is usually a simple trip to complete under normal driving conditions

The driver is caught in the usual traffic jam that congests roads at 16:00

The driver of a tow truck must tow a vehicle on a public road that is 120km from the home terminal

The driver and his passengers need to travel an extra distance in order to find a safe place to stop during an emergency

Correct! Wrong!

Progress
044/45

Truck Test 8

45.If a driver elects to drive for 15 hours in one shift and defer two hours of off-duty time to the next day and, what is the maximum number of hours he or she can drive the next day?

9 hours

11 hours

13 hours

7 hours

Correct! Wrong!

Sign Up/Sign In now to view your test results

Sign In

Sign Up to Unlock more Questions

Truck Test 8

1.The brake pressure gauge tells you what?

Progress 01/45

Truck Test 8

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

Progress 02/45

Truck Test 8

3.When you press the brake pedal in an air brake vehicle, what does it do?

Progress 03/45

Truck Test 8

4.Which reservoir receives air directly from a compressor?

Progress 04/45

Truck Test 8

5.Reservoirs need to be bled…?

Progress 05/45

Truck Test 8

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

Progress 06/45

Truck Test 8

7.You will not find spring brake actuators on…?

Progress 07/45

Truck Test 8

8.When air is forced into the brake chamber, it acts directly on what?

Progress 08/45

Truck Test 8

9.What colour is the trailer air supply knob?

Progress 09/45

Truck Test 8

10.What is the handbrake used for?

Progress 010/45

Truck Test 8

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

Progress 011/45

Truck Test 8

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

Progress 012/45

Truck Test 8

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

Progress 013/45

Truck Test 8

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

Progress 014/45

Truck Test 8

15.If your vehicle has an air purifier, you should still bleed the supply reservoir how often?

Progress 015/45

Truck Test 8

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

Progress 016/45

Truck Test 8

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

Progress 017/45

Truck Test 8

18.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?

Progress 018/45

Truck Test 8

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

Progress 019/45

Truck Test 8

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

Progress 020/45

Truck Test 8

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

Progress 021/45

Truck Test 8

22.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 022/45

Truck Test 8

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

Progress 023/45

Truck Test 8

24.When adjusting brakes, the vehicle should…?

Progress 024/45

Truck Test 8

25.Which of these factors influence braking performance?

Progress 025/45

Truck Test 8

26.Hydrodynamic retarders work using what?

Progress
01/45

Progress
02/45

Progress
03/45

Progress
04/45

Progress
05/45

Progress
06/45

Progress
07/45

Progress
08/45

Progress
09/45

Progress
010/45

Progress
011/45

Progress
012/45

Progress
013/45

Progress
014/45

Progress
015/45

Progress
016/45

Progress
017/45

Progress
018/45

Progress
019/45

Progress
020/45

Progress
021/45

Progress
022/45

Progress
023/45

Progress
024/45

Progress
025/45

Progress
026/45

Progress
027/45

Progress
028/45

Progress
029/45

Progress
030/45

Progress
031/45

Progress
032/45

Progress
033/45

Progress
034/45

Progress
035/45

Progress
036/45

Progress
037/45

Progress
038/45

Progress
039/45

Progress
040/45

Progress
041/45

Progress
042/45

Progress
043/45

Progress
044/45

Progress
045/45

Ace the DMV Exam on
Your First Attempt