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

What is referred to as glad hands?

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

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

None of these

2 / 30

What will join and lock the couplers?

Pins

A quick, downward snap

Clamps

Locking grips

3 / 30

Where are two-way check valves installed?

Between the hand valve and the tractor protection valve

Beside the compressor

Between the tractor protection valve and the supply tank

Between the foot valve and the compressor

4 / 30

The trailer-supply valve is usually...

A yellow square

A red triangle

A red octagonal button

A yellow circle

5 / 30

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

All of these

So as not to interfere with the driver

To follow company policy

To keep dirt out of the lines

6 / 30

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

The hand valve or foot valve

The supply tank

The one-way valve

All of these

7 / 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

Under the hood

Chassis of the tractor

8 / 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

The foot valve

Two air hoses

A one-way control valve

9 / 30

What is the function of the service line?

It carries pressure for the service brakes

None of these

It vents the air from the service brakes

It carries air to fill the trailer's tanks

10 / 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

Off

Normal

11 / 30

What prevents air from escaping the glad hands?

A shut-off valve

A snap-lock position and a rubber seal

A metal cap

Nothing

12 / 30

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

Spike

Shaft

Lever

Nailer

13 / 30

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

Removed

Closed

Blocked

Open

14 / 30

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

Depends on the number of reservoirs

Yes

Depends on the size of the compressor

15 / 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

16 / 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

17 / 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

18 / 30

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

The largest circuit

The closest circuit

The lowest-pressure circuit

The highest-pressure circuit

19 / 30

The double-check valve only takes air from what?

The supply tank

The highest pressure circuit

The biggest reservoir

The closest reservoir

20 / 30

What is referred to as dynamiting?

When the brakes explode from too much air pressure

An emergency application of the trailer brakes

When the brakes fall apart

None of these

21 / 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

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

22 / 30

Can the hand valve be used as a parking brake?

Yes

Only with buses

Only on Class 1 vehicles

23 / 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

24 / 30

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

Dead-end plates

Metal plates

Rounded plates

Protection plates

25 / 30

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

Four

Three

Two

Five

26 / 30

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

Shifts

Widens

Closes

Opens

27 / 30

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

The main line valve

The emergency valve

The primary valve

The service valve

28 / 30

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

Manually

None of these

Electronically

By remote

29 / 30

What's another name for the supply line?

Safety line

Perimeter line

Primary line

Emergency line

30 / 30

What happens when the trailer-supply valve is open?

Air passes directly to 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

All of these

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

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Saskatchewan Air Brake Test 05

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