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

Where are two-way check valves installed?

Between the hand valve and the tractor protection valve

Between the tractor protection valve and the supply tank

Beside the compressor

Between the foot valve and the compressor

2 / 30

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

The hand valve or foot valve

The supply tank

The one-way valve

All of these

3 / 30

The double-check valve only takes air from what?

The highest pressure circuit

The closest reservoir

The biggest reservoir

The supply tank

4 / 30

The trailer-supply valve is usually...

A red octagonal button

A yellow square

A yellow circle

A red triangle

5 / 30

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

30 degree

45 degree

90 degree

75 degree

6 / 30

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

Rounded plates

Metal plates

Dead-end plates

Protection plates

7 / 30

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

The primary valve

The service valve

The main line valve

The emergency valve

8 / 30

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

Electronically

None of these

By remote

Manually

9 / 30

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

Depends on the number of reservoirs

Depends on the size of the compressor

Yes

10 / 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

11 / 30

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

Two

Four

Three

Five

12 / 30

What is the function of the service line?

It carries air to fill the trailer's tanks

It carries pressure for the service brakes

It vents the air from the service brakes

None of these

13 / 30

Why is the trailer hand-control valve added?

To avoid having the brakes lock

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

To reduce the work of the driver

To allow the trailer to apply automatically

14 / 30

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

A one-way control valve

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

The foot valve

Two air hoses

15 / 30

What is referred to as dynamiting?

None of these

An emergency application of the trailer brakes

When the brakes fall apart

When the brakes explode from too much air pressure

16 / 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

Off

Emergency

17 / 30

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

Removed

Blocked

Open

Closed

18 / 30

What's another name for the supply line?

Primary line

Emergency line

Safety line

Perimeter line

19 / 30

What is referred to as glad hands?

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

None of these

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

20 / 30

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

Nailer

Shaft

Lever

Spike

21 / 30

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

A double-check valve

A two-way valve

The foot valve

A one-way valve

22 / 30

What happens when the trailer-supply valve is open?

All of these

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

Air passes directly to 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

23 / 30

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

Chassis of the tractor

At the front of the trailer

Anywhere the driver decides to put it

Under the hood

24 / 30

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

Closes

Opens

Widens

Shifts

25 / 30

What prevents air from escaping the glad hands?

A snap-lock position and a rubber seal

A shut-off valve

A metal cap

Nothing

26 / 30

What will join and lock the couplers?

Clamps

Locking grips

A quick, downward snap

Pins

27 / 30

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

The lowest-pressure circuit

The largest circuit

The highest-pressure circuit

The closest circuit

28 / 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

29 / 30

Can the hand valve be used as a parking brake?

Yes

Only on Class 1 vehicles

Only with buses

30 / 30

What happens on a trailer breakaway?

The chains lock up

The brakes 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

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Saskatchewan Air Brake Test 05

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