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

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

2 / 30

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

The highest-pressure circuit

The closest circuit

The largest circuit

The lowest-pressure circuit

3 / 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

4 / 30

Can the hand valve be used as a parking brake?

Yes

Only with buses

Only on Class 1 vehicles

5 / 30

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

Closes

Opens

Shifts

Widens

6 / 30

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

A one-way valve

A double-check valve

The foot valve

A two-way valve

7 / 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

8 / 30

The double-check valve only takes air from what?

The highest pressure circuit

The supply tank

The biggest reservoir

The closest reservoir

9 / 30

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

None of the above

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

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

10 / 30

What is the function of the service line?

It carries pressure for the service brakes

It carries air to fill the trailer's tanks

None of these

It vents the air from the service brakes

11 / 30

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

To keep dirt out of the lines

All of these

To follow company policy

So as not to interfere with the driver

12 / 30

What will join and lock the couplers?

Locking grips

Clamps

Pins

A quick, downward snap

13 / 30

What's another name for the supply line?

Emergency line

Safety line

Perimeter line

Primary line

14 / 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

15 / 30

Where are two-way check valves installed?

Between the hand valve and the tractor protection valve

Beside the compressor

Between the foot valve and the compressor

Between the tractor protection valve and the supply tank

16 / 30

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

None of these

Electronically

By remote

Manually

17 / 30

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

90 degree

45 degree

30 degree

75 degree

18 / 30

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

Lever

Nailer

Spike

Shaft

19 / 30

The trailer-supply valve is usually...

A yellow circle

A red triangle

A red octagonal button

A yellow square

20 / 30

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

Depends on the number of reservoirs

Yes

Depends on the size of the compressor

21 / 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 allow the trailer to apply automatically

To reduce the work of the driver

22 / 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?

Emergency

Off

Normal

23 / 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

A one-way control valve

Two air hoses

The foot valve

24 / 30

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

Four

Three

Five

Two

25 / 30

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

The primary valve

The service valve

The emergency valve

The main line valve

26 / 30

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

Under the hood

At the front of the trailer

Chassis of the tractor

Anywhere the driver decides to put it

27 / 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 directly to the trailer through the supply line

All of these

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

28 / 30

What prevents air from escaping the glad hands?

A metal cap

A snap-lock position and a rubber seal

A shut-off valve

Nothing

29 / 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

30 / 30

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

Closed

Removed

Blocked

Open

Your score is

Saskatchewan Air Brake Test 05

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