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

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

A one-way control valve

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

Two air hoses

The foot valve

2 / 30

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

Metal plates

Rounded plates

Dead-end plates

Protection plates

3 / 30

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

75 degree

45 degree

90 degree

30 degree

4 / 30

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

Depends on the number of reservoirs

Depends on the size of the compressor

Yes

5 / 30

The trailer-supply valve is usually...

A yellow square

A red triangle

A red octagonal button

A yellow circle

6 / 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

7 / 30

What is referred to as dynamiting?

When the brakes fall apart

None of these

An emergency application of the trailer brakes

When the brakes explode from too much air pressure

8 / 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

The brakes lock up

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

9 / 30

What prevents air from escaping the glad hands?

A metal cap

Nothing

A shut-off valve

A snap-lock position and a rubber seal

10 / 30

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

Spike

Lever

Shaft

Nailer

11 / 30

What will join and lock the couplers?

A quick, downward snap

Pins

Locking grips

Clamps

12 / 30

Why is the trailer hand-control valve added?

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

To avoid having the brakes lock

To allow the trailer to apply automatically

To reduce the work of the driver

13 / 30

Can the hand valve be used as a parking brake?

Only on Class 1 vehicles

Only with buses

Yes

14 / 30

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

The supply tank

All of these

The hand valve or foot valve

The one-way valve

15 / 30

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

The closest circuit

The highest-pressure circuit

The lowest-pressure circuit

The largest circuit

16 / 30

What is referred to as glad hands?

The device used to force air into the brake chambers

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

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

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

Blocked

Open

Closed

Removed

19 / 30

What's another name for the supply line?

Emergency line

Safety line

Primary line

Perimeter line

20 / 30

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

By remote

Manually

Electronically

None of these

21 / 30

Where are two-way check valves installed?

Between the foot valve and the compressor

Beside the compressor

Between the tractor protection valve and the supply tank

Between the hand valve and the tractor protection valve

22 / 30

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

Five

Four

Two

Three

23 / 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

Normal

Off

24 / 30

The double-check valve only takes air from what?

The biggest reservoir

The highest pressure circuit

The closest reservoir

The supply tank

25 / 30

What do you do if the unit is not equipped with dead-end couplers?

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

The glad hand of the service line can be locked to the glad hand of the supply line

None of the above

26 / 30

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

The emergency valve

The main line valve

The primary valve

The service valve

27 / 30

What happens when the trailer-supply valve is open?

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

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

All of these

28 / 30

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

So as not to interfere with the driver

All of these

To keep dirt out of the lines

To follow company policy

29 / 30

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

Under the hood

Chassis of the tractor

At the front of the trailer

Anywhere the driver decides to put it

30 / 30

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

Opens

Shifts

Widens

Closes

Your score is

Saskatchewan Air Brake Test 05

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