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

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

2 / 30

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

Two

Three

Five

Four

3 / 30

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

Manually

Electronically

By remote

None of these

4 / 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

All of these

The supply tank

5 / 30

The double-check valve only takes air from what?

The highest pressure circuit

The biggest reservoir

The closest reservoir

The supply tank

6 / 30

What prevents air from escaping the glad hands?

Nothing

A shut-off valve

A snap-lock position and a rubber seal

A metal cap

7 / 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

Two air hoses

The foot valve

A one-way control valve

8 / 30

What's another name for the supply line?

Safety line

Emergency line

Perimeter line

Primary line

9 / 30

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

45 degree

90 degree

75 degree

30 degree

10 / 30

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

Removed

Blocked

Open

Closed

11 / 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

Rounded plates

Metal plates

12 / 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

All of these

To follow company policy

13 / 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

14 / 30

What happens when the trailer-supply valve is open?

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

Air passes through the bottom of the tractor protection valve and charges the trailer through the supply line

All of these

15 / 30

Can the hand valve be used as a parking brake?

Only on Class 1 vehicles

Only with buses

Yes

16 / 30

The trailer-supply valve is usually...

A yellow square

A red triangle

A red octagonal button

A yellow circle

17 / 30

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

The main line valve

The service valve

The emergency valve

The primary valve

18 / 30

What is referred to as dynamiting?

An emergency application of the trailer brakes

None of these

When the brakes fall apart

When the brakes explode from too much air pressure

19 / 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

20 / 30

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

Under the hood

Anywhere the driver decides to put it

Chassis of the tractor

At the front of the trailer

21 / 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 avoid having the brakes lock

To allow the trailer to apply automatically

22 / 30

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

Widens

Closes

Opens

Shifts

23 / 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

24 / 30

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

Nailer

Lever

Shaft

Spike

25 / 30

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

A two-way valve

A one-way valve

The foot valve

A double-check valve

26 / 30

What will join and lock the couplers?

Clamps

Pins

A quick, downward snap

Locking grips

27 / 30

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

The largest circuit

The lowest-pressure circuit

The closest circuit

The highest-pressure circuit

28 / 30

What is the function of the service line?

It carries air to fill the trailer's tanks

It vents the air from the service brakes

None of these

It carries pressure for the service brakes

29 / 30

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

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

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

30 / 30

What is referred to as glad hands?

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

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

None of these

Your score is

Saskatchewan Air Brake Test 05

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