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

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

So as not to interfere with the driver

To follow company policy

To keep dirt out of the lines

All of these

2 / 30

What is referred to as dynamiting?

None of these

When the brakes explode from too much air pressure

An emergency application of the trailer brakes

When the brakes fall apart

3 / 30

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

Spike

Lever

Shaft

Nailer

4 / 30

What is the function of the service line?

It carries air to fill the trailer's tanks

None of these

It carries pressure for the service brakes

It vents the air from the service brakes

5 / 30

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

Electronically

Manually

By remote

None of these

6 / 30

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

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

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 in a pouch at the rear of the cab

7 / 30

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

All of these

The one-way valve

The hand valve or foot valve

The supply tank

8 / 30

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

Depends on the size of the compressor

Yes

Depends on the number of reservoirs

9 / 30

What prevents air from escaping the glad hands?

A metal cap

A shut-off valve

Nothing

A snap-lock position and a rubber seal

10 / 30

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

75 degree

90 degree

30 degree

45 degree

11 / 30

The double-check valve only takes air from what?

The highest pressure circuit

The biggest reservoir

The closest reservoir

The supply tank

12 / 30

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

A two-way valve

A double-check valve

The foot valve

A one-way valve

13 / 30

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

Five

Four

Three

Two

14 / 30

Where are two-way check valves installed?

Between the foot valve and the compressor

Beside the compressor

Between the tractor protection valve and the supply tank

Between the hand valve and the tractor protection valve

15 / 30

What is referred to as glad hands?

The device used to force air into the brake chambers

None of these

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

16 / 30

What happens on a trailer breakaway?

The brakes lock up

The chains lock up

Air will rush into the supply line until the trailer-supply valve automatically opens

Air will rush out of the supply line until the trailer-supply valve automatically closes

17 / 30

The trailer-supply valve is usually...

A yellow square

A yellow circle

A red octagonal button

A red triangle

18 / 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

Emergency

Normal

19 / 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

All of these

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

Air passes directly to the trailer through the supply line

20 / 30

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

Closes

Widens

Shifts

Opens

21 / 30

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

Anywhere the driver decides to put it

Chassis of the tractor

Under the hood

At the front of the trailer

22 / 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

23 / 30

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

The lowest-pressure circuit

The closest circuit

The highest-pressure circuit

The largest circuit

24 / 30

Can the hand valve be used as a parking brake?

Only with buses

Yes

Only on Class 1 vehicles

25 / 30

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

A one-way control valve

Two air hoses

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

The foot valve

26 / 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

27 / 30

What's another name for the supply line?

Perimeter line

Primary line

Emergency line

Safety line

28 / 30

What will join and lock the couplers?

Clamps

Pins

Locking grips

A quick, downward snap

29 / 30

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

The service valve

The main line valve

The emergency valve

The primary valve

30 / 30

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

Closed

Removed

Open

Blocked

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Saskatchewan Air Brake Test 05

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