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

Can the hand valve be used as a parking brake?

Yes

Only on Class 1 vehicles

Only with buses

2 / 30

What is referred to as glad hands?

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

None of these

The device used to force air into the brake chambers

3 / 30

What prevents air from escaping the glad hands?

A snap-lock position and a rubber seal

A metal cap

A shut-off valve

Nothing

4 / 30

What's another name for the supply line?

Primary line

Safety line

Perimeter line

Emergency line

5 / 30

What happens when the trailer-supply valve is open?

Air passes directly to the trailer through the supply line

All of these

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

6 / 30

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

The largest circuit

The highest-pressure circuit

The closest circuit

The lowest-pressure circuit

7 / 30

What is referred to as dynamiting?

When the brakes fall apart

When the brakes explode from too much air pressure

None of these

An emergency application of the trailer brakes

8 / 30

Where are two-way check valves installed?

Beside the compressor

Between the hand valve and the tractor protection valve

Between the foot valve and the compressor

Between the tractor protection valve and the supply tank

9 / 30

What will join and lock the couplers?

Pins

Clamps

A quick, downward snap

Locking grips

10 / 30

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

So as not to interfere with the driver

To keep dirt out of the lines

To follow company policy

All of these

11 / 30

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

A double-check valve

The foot valve

A one-way valve

A two-way valve

12 / 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

75 degree

90 degree

13 / 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

14 / 30

What happens on a trailer breakaway?

The brakes lock up

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

15 / 30

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

The emergency valve

The primary valve

The main line valve

The service valve

16 / 30

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

Lever

Shaft

Nailer

Spike

17 / 30

Why is the trailer hand-control valve added?

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

To avoid having the brakes lock

18 / 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

19 / 30

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

Three

Two

Five

Four

20 / 30

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

The foot valve

A one-way control valve

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

Two air hoses

21 / 30

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

Rounded plates

Protection plates

Metal plates

Dead-end plates

22 / 30

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

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

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 on a hook attached to the rear of the cab

23 / 30

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

Opens

Widens

Shifts

Closes

24 / 30

The double-check valve only takes air from what?

The biggest reservoir

The supply tank

The closest reservoir

The highest pressure circuit

25 / 30

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

Blocked

Removed

Closed

Open

26 / 30

The trailer-supply valve is usually...

A yellow square

A red triangle

A yellow circle

A red octagonal button

27 / 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?

Off

Normal

Emergency

28 / 30

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

The one-way valve

The supply tank

All of these

The hand valve or foot valve

29 / 30

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

Electronically

By remote

None of these

Manually

30 / 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

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Saskatchewan Air Brake Test 05

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