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

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?

Normal

Off

Emergency

2 / 30

What's another name for the supply line?

Safety line

Primary line

Perimeter line

Emergency line

3 / 30

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

Lever

Shaft

Nailer

Spike

4 / 30

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

The lowest-pressure circuit

The largest circuit

The closest circuit

The highest-pressure circuit

5 / 30

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

Protection plates

Metal plates

Rounded plates

Dead-end plates

6 / 30

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

Three

Two

Five

Four

7 / 30

What is referred to as dynamiting?

An emergency application of the trailer brakes

When the brakes explode from too much air pressure

When the brakes fall apart

None of these

8 / 30

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

Open

Closed

Removed

Blocked

9 / 30

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

The supply tank

The one-way valve

The hand valve or foot valve

All of these

10 / 30

The trailer-supply valve is usually...

A yellow circle

A red triangle

A yellow square

A red octagonal button

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

The double-check valve only takes air from what?

The closest reservoir

The supply tank

The biggest reservoir

The highest pressure circuit

13 / 30

What happens when the trailer-supply valve is open?

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

Air passes directly to the trailer through the supply line

14 / 30

What will join and lock the couplers?

Clamps

A quick, downward snap

Locking grips

Pins

15 / 30

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

A double-check valve

A one-way valve

A two-way valve

The foot valve

16 / 30

What prevents air from escaping the glad hands?

A shut-off valve

A snap-lock position and a rubber seal

Nothing

A metal cap

17 / 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 in a pouch at the rear of the cab

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

18 / 30

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

To keep dirt out of the lines

All of these

So as not to interfere with the driver

To follow company policy

19 / 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

20 / 30

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

The service valve

The primary valve

The emergency valve

The main line valve

21 / 30

What is referred to as glad hands?

None of these

The device used to force air into the brake chambers

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

22 / 30

Why is the trailer hand-control valve added?

To avoid having the brakes lock

To allow the trailer to apply automatically

To reduce the work of the driver

So that you can apply the trailer's brakes independent of the tractor

23 / 30

Can the hand valve be used as a parking brake?

Yes

Only on Class 1 vehicles

Only with buses

24 / 30

What is the function of the service line?

It vents the air from the service brakes

None of these

It carries air to fill the trailer's tanks

It carries pressure for the service brakes

25 / 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

26 / 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

27 / 30

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

By remote

Manually

None of these

Electronically

28 / 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

29 / 30

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

90 degree

75 degree

30 degree

45 degree

30 / 30

What happens on a trailer breakaway?

The chains lock up

The brakes 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

Your score is

Saskatchewan Air Brake Test 05

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