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

What are slack adjusters?

None of these

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

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

2 / 30

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

1 1/2 inch

1 3/4 inch

1 1/8 inch

1 1/4 inch

3 / 30

How often should automatic slack adjusters be adjusted?

Never

Daily

Weekly

Monthly

4 / 30

What is the purpose of slack adjusters?

To improve the wear of brake pads

All of these

To increase the thickness of the brake lining

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

5 / 30

Stroke limit is +/- what?

1/32 inch

1/16 inch

1/8 inch

1/64 inch

6 / 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 lining needs replacement

If the brake drums need replacement

If brake adjustment is necessary

If the brake pads need replacement

7 / 30

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

2 1/2 inch

2 3/4 inch

2 1/4 inch

2 inch

8 / 30

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

1 7/8 inch

1 3/4 inch

1 1/4 inch

1 1/2 inch

9 / 30

Are slack adjusters used with wedge-type brakes?

Yes

Only with trailer applications

Depending on the type of vehicle

10 / 30

What does LS refer to for chamber size?

Long stroke

Lead stroke

Level stroke

Least stroke

11 / 30

What is the most common cause of loss of braking?

Poor brake adjustment

Small reservoirs

A ruptured brake line

Old brakes

12 / 30

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

The wheel turns freely

You hear grinding

There is resistance against the wheel

The wheel stops

13 / 30

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

An S endorsement

A Z endorsement

An A endorsement

A B endorsement

14 / 30

When must the brakes be adjusted?

When slack reaches 1/4 inch

When slack reaches 5/8 inch

When slack reaches 1/2 inch

When slack reaches 3/4 inch

15 / 30

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

Torque ratings

Thicknesses

Arm configurations

Lengths

16 / 30

At high temperature, what happens to the brake lining?

It thickens

None of these

It wears quickly

It breaks away

17 / 30

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

1 3/4 inch

1 1/4 inch

2 1/4 inch

2 inch

18 / 30

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

1 1/2 inch

1 5/8 inch

1 1/4 inch

1 3/4 inch

19 / 30

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

Five to eight

Two to four

Ten to twelve

Eight to ten

20 / 30

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

A minimum

3/4 inch

1/2 inch

The maximum

21 / 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 12

Up to 15

20 or more

22 / 30

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

To be able to see clearly

So it rotates freely

To remove any weight that sits on it

All of these

23 / 30

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

3/4 inch

1/4 inch

1/8 inch

1/2 inch

24 / 30

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

2 1/2 inch

2 1/8 inch

2 5/8 inch

1 3/4 inch

25 / 30

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

None of these

Stroke

Slack

Piston travel

26 / 30

The entire slack adjuster operates as...

5 units

A unit

Individual units

3 units

27 / 30

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

Dangerously

Poorly

Extremely dangerously

Satisfactorily

28 / 30

A correctly adjusted brake will have how much available slack?

1/16 to 1/8 inch

1/2 to 3/4 inch

1/4 to 3/8 inch

1/8 to 3/16 inch

29 / 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%

30 / 30

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

Avoid driving at highway speeds

A qualified person should repair them

Take them apart to find the problem

Keep trying

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Saskatchewan Air Brake Test 07

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