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

Shifts

Widens

Opens

Closes

2 / 30

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

Manually

None of these

By remote

Electronically

3 / 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

4 / 30

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

None of the above

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

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

5 / 30

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

Under the hood

Anywhere the driver decides to put it

Chassis of the tractor

At the front of the trailer

6 / 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

Protection plates

Metal plates

7 / 30

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

The closest circuit

The highest-pressure circuit

The largest circuit

The lowest-pressure circuit

8 / 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

9 / 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 through the top of the tractor protection valve and prepares to charge the trailer through the supply line

All of these

Air passes directly to the trailer through the supply line

10 / 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

None of these

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

11 / 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

12 / 30

What will join and lock the couplers?

Pins

Locking grips

A quick, downward snap

Clamps

13 / 30

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

All of these

To follow company policy

To keep dirt out of the lines

So as not to interfere with the driver

14 / 30

Can the hand valve be used as a parking brake?

Only with buses

Only on Class 1 vehicles

Yes

15 / 30

The double-check valve only takes air from what?

The supply tank

The biggest reservoir

The highest pressure circuit

The closest reservoir

16 / 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 allow the trailer to apply automatically

To reduce the work of the driver

17 / 30

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

Three

Five

Two

Four

18 / 30

What is the function of the service line?

None of these

It carries pressure for the service brakes

It vents the air from the service brakes

It carries air to fill the trailer's tanks

19 / 30

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

Two air hoses

A one-way control valve

The foot valve

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

20 / 30

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

30 degree

75 degree

90 degree

45 degree

21 / 30

The trailer-supply valve is usually...

A red octagonal button

A yellow circle

A yellow square

A red triangle

22 / 30

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

The primary valve

The emergency valve

The main line valve

The service valve

23 / 30

What prevents air from escaping the glad hands?

Nothing

A snap-lock position and a rubber seal

A metal cap

A shut-off valve

24 / 30

What's another name for the supply line?

Perimeter line

Primary line

Emergency line

Safety line

25 / 30

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

The foot valve

A double-check valve

A one-way valve

A two-way valve

26 / 30

Where are two-way check valves installed?

Between the hand valve and the tractor protection valve

Between the foot valve and the compressor

Between the tractor protection valve and the supply tank

Beside the compressor

27 / 30

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

Removed

Blocked

Closed

Open

28 / 30

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

All of these

The one-way valve

The hand valve or foot valve

The supply tank

29 / 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

30 / 30

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

Lever

Nailer

Shaft

Spike

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Saskatchewan Air Brake Test 05

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