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

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

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

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

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

None of the above

2 / 30

What's another name for the supply line?

Safety line

Emergency line

Primary line

Perimeter line

3 / 30

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

The emergency valve

The service valve

The main line valve

The primary valve

4 / 30

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

Blocked

Open

Closed

Removed

5 / 30

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

Yes

Depends on the size of the compressor

Depends on the number of reservoirs

6 / 30

What happens on a trailer breakaway?

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

The chains lock up

7 / 30

Why is the trailer hand-control valve added?

To reduce the work of the driver

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

To allow the trailer to apply automatically

To avoid having the brakes lock

8 / 30

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

So as not to interfere with the driver

All of these

To follow company policy

To keep dirt out of the lines

9 / 30

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

Anywhere the driver decides to put it

Under the hood

At the front of the trailer

Chassis of the tractor

10 / 30

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

The highest-pressure circuit

The largest circuit

The lowest-pressure circuit

The closest circuit

11 / 30

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

A one-way valve

The foot valve

A two-way valve

A double-check valve

12 / 30

What is referred to as glad hands?

The device used to force air into the brake chambers

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

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

None of these

13 / 30

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

Shaft

Nailer

Lever

Spike

14 / 30

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

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

The foot valve

A one-way control valve

Two air hoses

15 / 30

Can the hand valve be used as a parking brake?

Yes

Only on Class 1 vehicles

Only with buses

16 / 30

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

45 degree

30 degree

90 degree

75 degree

17 / 30

What prevents air from escaping the glad hands?

A shut-off valve

Nothing

A metal cap

A snap-lock position and a rubber seal

18 / 30

What happens when the trailer-supply valve is open?

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

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

19 / 30

Where are two-way check valves installed?

Between the tractor protection valve and the supply tank

Between the foot valve and the compressor

Between the hand valve and the tractor protection valve

Beside the compressor

20 / 30

The double-check valve only takes air from what?

The highest pressure circuit

The supply tank

The biggest reservoir

The closest reservoir

21 / 30

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

Electronically

Manually

None of these

By remote

22 / 30

What will join and lock the couplers?

Clamps

Locking grips

Pins

A quick, downward snap

23 / 30

What is referred to as dynamiting?

When the brakes explode from too much air pressure

None of these

An emergency application of the trailer brakes

When the brakes fall apart

24 / 30

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

Three

Four

Five

Two

25 / 30

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

Widens

Shifts

Closes

Opens

26 / 30

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

Protection plates

Metal plates

Dead-end plates

Rounded plates

27 / 30

What is the function of the service line?

It carries pressure for the service brakes

It vents the air from the service brakes

It carries air to fill the trailer's tanks

None of these

28 / 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

29 / 30

The trailer-supply valve is usually...

A yellow circle

A red octagonal button

A red triangle

A yellow square

30 / 30

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

All of these

The hand valve or foot valve

The one-way valve

The supply tank

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Saskatchewan Air Brake Test 05

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