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

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

Open

Blocked

Closed

Removed

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

What happens on a trailer breakaway?

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

The chains lock up

Air will rush into the supply line until the trailer-supply valve automatically opens

The brakes lock up

4 / 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

5 / 30

Why is the trailer hand-control valve added?

To avoid having the brakes lock

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

To reduce the work of the driver

To allow the trailer to apply automatically

6 / 30

Can the hand valve be used as a parking brake?

Yes

Only on Class 1 vehicles

Only with buses

7 / 30

The trailer-supply valve is usually...

A red octagonal button

A red triangle

A yellow square

A yellow circle

8 / 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

Emergency

Off

9 / 30

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

Two

Five

Four

Three

10 / 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

11 / 30

What prevents air from escaping the glad hands?

A shut-off valve

Nothing

A snap-lock position and a rubber seal

A metal cap

12 / 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 supply tank

The one-way valve

13 / 30

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

Rounded plates

Dead-end plates

Metal plates

Protection plates

14 / 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

15 / 30

The double-check valve only takes air from what?

The closest reservoir

The highest pressure circuit

The supply tank

The biggest reservoir

16 / 30

What will join and lock the couplers?

A quick, downward snap

Pins

Clamps

Locking grips

17 / 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

None of the above

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

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

Shifts

Opens

Closes

Widens

19 / 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

20 / 30

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

The foot valve

A one-way valve

A double-check valve

A two-way valve

21 / 30

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

The emergency valve

The primary valve

The service valve

The main line valve

22 / 30

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

Two air hoses

The foot valve

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

A one-way control valve

23 / 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

24 / 30

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

The closest circuit

The lowest-pressure circuit

The highest-pressure circuit

The largest circuit

25 / 30

Where are two-way check valves installed?

Between the foot valve and the compressor

Between the hand valve and the tractor protection valve

Between the tractor protection valve and the supply tank

Beside the compressor

26 / 30

What's another name for the supply line?

Emergency line

Safety line

Primary line

Perimeter line

27 / 30

What is referred to as dynamiting?

When the brakes fall apart

When the brakes explode from too much air pressure

None of these

An emergency application of the trailer brakes

28 / 30

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

All of these

To follow company policy

So as not to interfere with the driver

To keep dirt out of the lines

29 / 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

All of these

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

30 / 30

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

Lever

Shaft

Nailer

Spike

Your score is

Saskatchewan Air Brake Test 05

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