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

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

Removed

Blocked

Open

Closed

2 / 30

The double-check valve only takes air from what?

The closest reservoir

The biggest reservoir

The supply tank

The highest pressure circuit

3 / 30

What prevents air from escaping the glad hands?

Nothing

A snap-lock position and a rubber seal

A metal cap

A shut-off valve

4 / 30

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

The foot valve

A one-way valve

A double-check valve

A two-way valve

5 / 30

What's another name for the supply line?

Safety line

Perimeter line

Primary line

Emergency line

6 / 30

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

Metal plates

Protection plates

Rounded plates

Dead-end plates

7 / 30

Can the hand valve be used as a parking brake?

Yes

Only with buses

Only on Class 1 vehicles

8 / 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 coupling device used to connect the service and supply lines of the trailer to the truck or tractor

The device used to force air into the brake chambers

9 / 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 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

None of the above

10 / 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

11 / 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

12 / 30

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

The hand valve or foot valve

The one-way valve

The supply tank

All of these

13 / 30

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

75 degree

45 degree

30 degree

90 degree

14 / 30

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

Chassis of the tractor

At the front of the trailer

Under the hood

Anywhere the driver decides to put it

15 / 30

Where are two-way check valves installed?

Between the tractor protection valve and the supply tank

Between the foot valve and the compressor

Between the hand valve and the tractor protection valve

Beside the compressor

16 / 30

What is the function of the service line?

None of these

It carries air to fill the trailer's tanks

It vents the air from the service brakes

It carries pressure for the service brakes

17 / 30

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

The main line valve

The emergency valve

The primary valve

The service valve

18 / 30

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

The highest-pressure circuit

The largest circuit

The closest circuit

The lowest-pressure circuit

19 / 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

Two air hoses

The foot valve

20 / 30

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

Lever

Shaft

Spike

Nailer

21 / 30

The trailer-supply valve is usually...

A red octagonal button

A yellow circle

A yellow square

A red triangle

22 / 30

What will join and lock the couplers?

Clamps

Pins

A quick, downward snap

Locking grips

23 / 30

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

Five

Two

Four

Three

24 / 30

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

Yes

Depends on the number of reservoirs

Depends on the size of the compressor

25 / 30

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

Manually

Electronically

None of these

By remote

26 / 30

Why is the trailer hand-control valve added?

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

To avoid having the brakes lock

27 / 30

What happens on a trailer breakaway?

The chains lock up

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

The brakes lock up

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

28 / 30

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

So as not to interfere with the driver

All of these

To follow company policy

To keep dirt out of the lines

29 / 30

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

Closes

Widens

Opens

Shifts

30 / 30

What is referred to as dynamiting?

When the brakes explode from too much air pressure

None of these

An emergency application of the trailer brakes

When the brakes fall apart

Your score is

By WordPress Quiz plugin

Saskatchewan Air Brake Test 05

About

Practice Tests

Getting a License

Get In Touch