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...

A one-way valve

A two-way valve

A double-check valve

The foot valve

2 / 30

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

Three

Two

Five

Four

3 / 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

90 degree

75 degree

4 / 30

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

Dead-end plates

Rounded plates

Metal plates

Protection plates

5 / 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

6 / 30

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

None of these

By remote

Electronically

Manually

7 / 30

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

A one-way control valve

The foot valve

Two air hoses

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

8 / 30

What is referred to as dynamiting?

An emergency application of the trailer brakes

When the brakes fall apart

None of these

When the brakes explode from too much air pressure

9 / 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

10 / 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

11 / 30

What prevents air from escaping the glad hands?

A snap-lock position and a rubber seal

Nothing

A metal cap

A shut-off valve

12 / 30

What is the function of the service line?

It carries air to fill the trailer's tanks

It carries pressure for the service brakes

None of these

It vents the air from the service brakes

13 / 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

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

None of the above

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

14 / 30

What will join and lock the couplers?

Clamps

A quick, downward snap

Locking grips

Pins

15 / 30

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

The closest circuit

The lowest-pressure circuit

The largest circuit

The highest-pressure circuit

16 / 30

Where are two-way check valves installed?

Beside the compressor

Between the tractor protection valve and the supply tank

Between the hand valve and the tractor protection valve

Between the foot valve and the compressor

17 / 30

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

The hand valve or foot valve

The supply tank

All of these

The one-way valve

18 / 30

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

Widens

Opens

Shifts

Closes

19 / 30

Why is the trailer hand-control valve added?

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

To avoid having the brakes lock

20 / 30

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

Closed

Blocked

Open

Removed

21 / 30

The trailer-supply valve is usually...

A yellow square

A yellow circle

A red triangle

A red octagonal button

22 / 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

23 / 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

To follow company policy

All of these

24 / 30

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

The service valve

The primary valve

The emergency valve

The main line valve

25 / 30

The double-check valve only takes air from what?

The biggest reservoir

The supply tank

The closest reservoir

The highest pressure circuit

26 / 30

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

Shaft

Spike

Nailer

Lever

27 / 30

What's another name for the supply line?

Perimeter line

Safety line

Emergency line

Primary line

28 / 30

What is referred to as glad hands?

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

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

None of these

29 / 30

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

At the front of the trailer

Anywhere the driver decides to put it

Chassis of the tractor

Under the hood

30 / 30

Can the hand valve be used as a parking brake?

Only on Class 1 vehicles

Yes

Only with buses

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Saskatchewan Air Brake Test 05

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