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?

None of these

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

The device used to force air into the brake chambers

2 / 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

3 / 30

The double-check valve only takes air from what?

The highest pressure circuit

The biggest reservoir

The closest reservoir

The supply tank

4 / 30

What will join and lock the couplers?

Clamps

Locking grips

Pins

A quick, downward snap

5 / 30

What is referred to as dynamiting?

When the brakes fall apart

An emergency application of the trailer brakes

When the brakes explode from too much air pressure

None of these

6 / 30

The trailer-supply valve is usually...

A red triangle

A yellow square

A red octagonal button

A yellow circle

7 / 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

30 degree

75 degree

8 / 30

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

Shaft

Nailer

Lever

Spike

9 / 30

Where are two-way check valves installed?

Between the tractor protection valve and the supply tank

Between the hand valve and the tractor protection valve

Beside the compressor

Between the foot valve and the compressor

10 / 30

What happens when the trailer-supply valve is open?

All of these

Air passes through the top of the tractor protection valve and prepares to charge the trailer through the supply line

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

Air passes directly to the trailer through the supply line

11 / 30

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

The highest-pressure circuit

The closest circuit

The lowest-pressure circuit

The largest circuit

12 / 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

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

The brakes lock up

13 / 30

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

The foot valve

Two air hoses

A one-way control valve

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

14 / 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

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

None of the above

15 / 30

What is the function of the service line?

It carries pressure for the service brakes

None of these

It carries air to fill the trailer's tanks

It vents the air from the service brakes

16 / 30

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

Anywhere the driver decides to put it

Chassis of the tractor

Under the hood

At the front of the trailer

17 / 30

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

The foot valve

A one-way valve

A two-way valve

A double-check valve

18 / 30

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

The hand valve or foot valve

All of these

The one-way valve

The supply tank

19 / 30

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

Shifts

Closes

Widens

Opens

20 / 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

21 / 30

Can the hand valve be used as a parking brake?

Only with buses

Only on Class 1 vehicles

Yes

22 / 30

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

To keep dirt out of the lines

To follow company policy

All of these

So as not to interfere with the driver

23 / 30

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

The emergency valve

The service valve

The primary valve

The main line valve

24 / 30

What prevents air from escaping the glad hands?

A shut-off valve

A metal cap

A snap-lock position and a rubber seal

Nothing

25 / 30

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

Four

Five

Two

Three

26 / 30

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

Electronically

Manually

None of these

By remote

27 / 30

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

Blocked

Closed

Open

Removed

28 / 30

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

Protection plates

Rounded plates

Metal plates

Dead-end plates

29 / 30

What's another name for the supply line?

Primary line

Emergency line

Safety line

Perimeter line

30 / 30

Why is the trailer hand-control valve added?

To avoid having the brakes lock

To reduce the work of the driver

To allow the trailer to apply automatically

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

Your score is

Saskatchewan Air Brake Test 05

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