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

The foot valve

A one-way valve

A two-way valve

A double-check valve

2 / 30

Can the hand valve be used as a parking brake?

Only with buses

Yes

Only on Class 1 vehicles

3 / 30

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

Shaft

Lever

Spike

Nailer

4 / 30

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

The highest-pressure circuit

The closest circuit

The lowest-pressure circuit

The largest circuit

5 / 30

What is the function of the service line?

It vents the air from the service brakes

None of these

It carries pressure for the service brakes

It carries air to fill the trailer's tanks

6 / 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

75 degree

90 degree

7 / 30

What is referred to as dynamiting?

None of these

When the brakes explode from too much air pressure

When the brakes fall apart

An emergency application of the trailer brakes

8 / 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

Normal

Off

9 / 30

The trailer-supply valve is usually...

A yellow square

A yellow circle

A red triangle

A red octagonal button

10 / 30

What's another name for the supply line?

Safety line

Emergency line

Perimeter line

Primary line

11 / 30

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

Under the hood

At the front of the trailer

Anywhere the driver decides to put it

Chassis of the tractor

12 / 30

What will join and lock the couplers?

A quick, downward snap

Pins

Clamps

Locking grips

13 / 30

What prevents air from escaping the glad hands?

A metal cap

A shut-off valve

A snap-lock position and a rubber seal

Nothing

14 / 30

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

Three

Four

Two

Five

15 / 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

16 / 30

Where are two-way check valves installed?

Between the tractor protection valve and the supply tank

Between the hand valve and the tractor protection valve

Beside the compressor

Between the foot valve and the compressor

17 / 30

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

To keep dirt out of the lines

To follow company policy

All of these

So as not to interfere with the driver

18 / 30

What is referred to as glad hands?

None of these

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

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

19 / 30

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

Protection plates

Dead-end plates

Metal plates

Rounded plates

20 / 30

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

The service valve

The primary valve

The main line valve

The emergency valve

21 / 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

22 / 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

23 / 30

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

None of these

Manually

By remote

Electronically

24 / 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

25 / 30

The double-check valve only takes air from what?

The highest pressure circuit

The supply tank

The biggest reservoir

The closest reservoir

26 / 30

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

Shifts

Closes

Widens

Opens

27 / 30

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

All of these

The supply tank

The hand valve or foot valve

The one-way valve

28 / 30

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

Two air hoses

The foot valve

A one-way control valve

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

29 / 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

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

30 / 30

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

Open

Removed

Blocked

Closed

Your score is

Saskatchewan Air Brake Test 05

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