Saskatchewan Air Brake Test 07

Taking the free Saskatchewan Air Brake practice test is a smart move if you are planning to take the official exam. The practice test provides you the opportunity to test your knowledge and understanding of the air brake system and related regulations in Saskatchewan. Not only does it offer you an assessment of your current abilities, but it also helps you identify areas in which you may need to improve.

1 / 30

Stroke limit is +/- what?

1/64 inch

1/8 inch

1/16 inch

1/32 inch

2 / 30

Which statement is false? Slack adjusters are available in a variety of...

Arm configurations

Thicknesses

Lengths

Torque ratings

3 / 30

The type-30 air chamber has how much available stroke?

1 3/4 inch

2 1/8 inch

2 1/2 inch

2 5/8 inch

4 / 30

A correctly adjusted brake will have how much available slack?

1/2 to 3/4 inch

1/16 to 1/8 inch

1/8 to 3/16 inch

1/4 to 3/8 inch

5 / 30

At high temperature, what happens to the brake lining?

It thickens

It wears quickly

It breaks away

None of these

6 / 30

The entire slack adjuster operates as...

3 units

A unit

5 units

Individual units

7 / 30

What is the stroke limit on a type-24 air chamber?

1 3/4 inch

1 7/8 inch

1 1/4 inch

1 1/2 inch

8 / 30

If the brakes are badly out of adjustment it may take up to how many brake applications of 100 psi to adjust them?

Up to 15

20 or more

Up to 12

9 / 30

What is the requirement for your license to operate a vehicle with an air brake system?

A Z endorsement

A B endorsement

An S endorsement

An A endorsement

10 / 30

What is the most common cause of loss of braking?

Old brakes

A ruptured brake line

Poor brake adjustment

Small reservoirs

11 / 30

What is the stroke limit for a type-30LS air chamber?

2 inch

2 3/4 inch

2 1/4 inch

2 1/2 inch

12 / 30

Since cast iron expands when heated, a hot brake drum can cause the chamber to stroke a further...

1/4 inch

1/2 inch

3/4 inch

1/8 inch

13 / 30

What is the stroke limit for a type-24LS air chamber?

1 1/4 inch

2 1/4 inch

2 inch

1 3/4 inch

14 / 30

What does LS refer to for chamber size?

Least stroke

Level stroke

Long stroke

Lead stroke

15 / 30

Under normal light braking conditions, grossly maladjusted brakes seem to respond how?

Extremely dangerously

Satisfactorily

Poorly

Dangerously

16 / 30

What are slack adjusters?

None of these

They are mechanical links between the brake-chamber push rod and the camshaft on cam type brakes

They are mechanical links inside the brake-chamber on cam type brakes

They are hydraulic pistons between the brake-chamber push rod and the camshaft on cam type brakes

17 / 30

When must the brakes be adjusted?

When slack reaches 1/4 inch

When slack reaches 3/4 inch

When slack reaches 1/2 inch

When slack reaches 5/8 inch

18 / 30

For manual slack adjusters, compare the actual stroke to the recommended maximum stroke of 1 1/2 inch to determine what?

If the brake pads need replacement

If the brake drums need replacement

If the brake lining needs replacement

If brake adjustment is necessary

19 / 30

After multiple attempts to adjust the automatic slack adjusters, what happens If they are still out of adjustment?

Keep trying

Avoid driving at highway speeds

Take them apart to find the problem

A qualified person should repair them

20 / 30

When performing a brake adjustment, why raise the wheel to be adjusted off the ground?

All of these

To be able to see clearly

To remove any weight that sits on it

So it rotates freely

21 / 30

What is the stroke limit for a type-20 air chamber?

1 3/4 inch

1 5/8 inch

1 1/2 inch

1 1/4 inch

22 / 30

At an 80 psi application, a brake chamber with 3/4 inch of slack will stroke how much?

1 1/4 inch

1 1/8 inch

1 3/4 inch

1 1/2 inch

23 / 30

Even with cold drums, a vehicle with poorly adjusted brakes will have up to a how much longer stopping distance than normal?

50%

25%

40%

75%

24 / 30

What is the purpose of slack adjusters?

To maintain proper brake chamber stroke and lining-to-drum clearance during normal operation

To increase the thickness of the brake lining

All of these

To improve the wear of brake pads

25 / 30

How often should automatic slack adjusters be adjusted?

Monthly

Daily

Never

Weekly

26 / 30

Turn the slack adjustment mechanism until the wheel stops, then back off the adjustment until...

The wheel stops

There is resistance against the wheel

The wheel turns freely

You hear grinding

27 / 30

Are slack adjusters used with wedge-type brakes?

Yes

Only with trailer applications

Depending on the type of vehicle

28 / 30

The most efficient braking occurs when push rod travel is held to...

A minimum

The maximum

1/2 inch

3/4 inch

29 / 30

Normally how many brake applications of 100 psi per day will keep the brakes properly adjusted with automatic slack adjusters?

Five to eight

Ten to twelve

Two to four

Eight to ten

30 / 30

What is another word for the length of push-rod travel?

Stroke

None of these

Slack

Piston travel

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Saskatchewan Air Brake Test 07

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