Saskatchewan Air Brake Test 05

Taking the free Saskatchewan Air Brake practice test is an excellent way to prepare yourself for the official exam. By taking this practice test, you will get a good idea of what kind of questions to expect, and you will be able to hone your skills to ace the exam with flying colors. Moreover, this test is designed to cover everything that you need to know to pass your official exam successfully.

1 / 30

Vehicles equipped with dead-end couplers should have what in use whenever the vehicle is used without a trailer?

Dead-end plates

Protection plates

Metal plates

Rounded plates

2 / 30

The trailer-supply valve has also been referred to as...

The service valve

The primary valve

The emergency valve

The main line valve

3 / 30

Place the trailer-supply valve in the what position and reservoir air will be directed to the tractor protection valve and supply-line glad hand?

Normal

Emergency

Off

4 / 30

What will join and lock the couplers?

A quick, downward snap

Locking grips

Pins

Clamps

5 / 30

What happens on a trailer breakaway?

The chains lock up

Air will rush out of the supply line until the trailer-supply valve automatically closes

Air will rush into the supply line until the trailer-supply valve automatically opens

The brakes lock up

6 / 30

Some vehicles are equipped with a different type of cab-mounted trailer-supply valve, which must be operated...

None of these

Manually

Electronically

By remote

7 / 30

When the pressure in the supply line reaches 45 psi, the service line port of the tractor protection valve does what?

Opens

Closes

Shifts

Widens

8 / 30

Will the tractor protection valve operate if the trailer-supply valve is closed?

Depends on the size of the compressor

Depends on the number of reservoirs

Yes

9 / 30

The double-check valve only takes air from what?

The supply tank

The biggest reservoir

The closest reservoir

The highest pressure circuit

10 / 30

What's another name for the supply line?

Perimeter line

Emergency line

Primary line

Safety line

11 / 30

What is referred to as dynamiting?

When the brakes explode from too much air pressure

None of these

When the brakes fall apart

An emergency application of the trailer brakes

12 / 30

The two-way check valve allows control of the trailer brake by use of...

The supply tank

All of these

The one-way valve

The hand valve or foot valve

13 / 30

The trailer hand-control valve is also called...

Lever

Spike

Shaft

Nailer

14 / 30

What is the function of the service line?

It carries air to fill the trailer's tanks

None of these

It carries pressure for the service brakes

It vents the air from the service brakes

15 / 30

Can the hand valve be used as a parking brake?

Yes

Only with buses

Only on Class 1 vehicles

16 / 30

Why should the glad hands be protected when not in use?

To keep dirt out of the lines

To follow company policy

So as not to interfere with the driver

All of these

17 / 30

What happens when the trailer-supply valve is open?

Air passes through the bottom of the tractor protection valve and charges the trailer through the supply line

Air passes through the top of the tractor protection valve and prepares to charge the trailer through the supply line

All of these

Air passes directly to the trailer through the supply line

18 / 30

Air is supplied to the trailer-supply valve by what?

A one-way control valve

Two air hoses

A double-check valve that is connected to both the primary and secondary circuits

The foot valve

19 / 30

What prevents air from escaping the glad hands?

A shut-off valve

A snap-lock position and a rubber seal

Nothing

A metal cap

20 / 30

The hand valve is typically supplied from primary and secondary circuits and plumbed to...

A two-way valve

A one-way valve

The foot valve

A double-check valve

21 / 30

When you are not hooked to a trailer, the trailer-supply valve is...

Open

Removed

Closed

Blocked

22 / 30

The supply line always contains the same air pressure as...

The highest-pressure circuit

The largest circuit

The closest circuit

The lowest-pressure circuit

23 / 30

What do you do if the unit is not equipped with dead-end couplers?

None of the above

The glad hand of the service line can be locked to the glad hand of the supply line

The glad hands can rest in a pouch at the rear of the cab

The glad hands can rest on a hook attached to the rear of the cab

24 / 30

How many positions does the manually operated trailer-supply valves have?

Four

Five

Three

Two

25 / 30

When connecting the glad hands, start with the two seals together and the couplers at what angle to each other?

75 degree

90 degree

45 degree

30 degree

26 / 30

What is referred to as glad hands?

The device used to force air into the brake chambers

None of these

The device used to filter the air from the compressor to the supply tank

The coupling device used to connect the service and supply lines of the trailer to the truck or tractor

27 / 30

A tractor protection valve is usually mounted on the cab or...

At the front of the trailer

Chassis of the tractor

Under the hood

Anywhere the driver decides to put it

28 / 30

Why is the trailer hand-control valve added?

To allow the trailer to apply automatically

So that you can apply the trailer's brakes independent of the tractor

To reduce the work of the driver

To avoid having the brakes lock

29 / 30

The trailer-supply valve is usually...

A red octagonal button

A yellow square

A yellow circle

A red triangle

30 / 30

Where are two-way check valves installed?

Beside the compressor

Between the hand valve and the tractor protection valve

Between the tractor protection valve and the supply tank

Between the foot valve and the compressor

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Saskatchewan Air Brake Test 05

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