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?

They are hydraulic pistons 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

None of these

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

2 / 30

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

25%

50%

40%

75%

3 / 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

4 / 30

What does LS refer to for chamber size?

Long stroke

Lead stroke

Least stroke

Level stroke

5 / 30

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

Lengths

Thicknesses

Torque ratings

Arm configurations

6 / 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 1/4 inch

1 1/8 inch

7 / 30

A correctly adjusted brake will have how much available slack?

1/4 to 3/8 inch

1/16 to 1/8 inch

1/2 to 3/4 inch

1/8 to 3/16 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 purpose of slack adjusters?

To improve the wear of brake pads

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

10 / 30

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

The maximum

3/4 inch

A minimum

1/2 inch

11 / 30

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

1 1/2 inch

1 7/8 inch

1 3/4 inch

1 1/4 inch

12 / 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

13 / 30

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

Dangerously

Extremely dangerously

Satisfactorily

Poorly

14 / 30

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

Two to four

Eight to ten

Ten to twelve

Five to eight

15 / 30

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

To remove any weight that sits on it

All of these

To be able to see clearly

So it rotates freely

16 / 30

Are slack adjusters used with wedge-type brakes?

Yes

Depending on the type of vehicle

Only with trailer applications

17 / 30

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

Slack

Stroke

None of these

Piston travel

18 / 30

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

1 1/2 inch

1 3/4 inch

1 5/8 inch

1 1/4 inch

19 / 30

What is the most common cause of loss of braking?

Old brakes

Small reservoirs

A ruptured brake line

Poor brake adjustment

20 / 30

The entire slack adjuster operates as...

Individual units

A unit

3 units

5 units

21 / 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 brake adjustment is necessary

If the brake drums need replacement

If the brake lining needs replacement

22 / 30

How often should automatic slack adjusters be adjusted?

Monthly

Never

Weekly

Daily

23 / 30

When must the brakes be adjusted?

When slack reaches 1/4 inch

When slack reaches 1/2 inch

When slack reaches 5/8 inch

When slack reaches 3/4 inch

24 / 30

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

3/4 inch

1/8 inch

1/2 inch

1/4 inch

25 / 30

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

2 1/4 inch

2 1/2 inch

2 inch

2 3/4 inch

26 / 30

At high temperature, what happens to the brake lining?

It breaks away

It thickens

None of these

It wears quickly

27 / 30

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

1 1/4 inch

2 1/4 inch

1 3/4 inch

2 inch

28 / 30

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

2 5/8 inch

1 3/4 inch

2 1/2 inch

2 1/8 inch

29 / 30

Stroke limit is +/- what?

1/16 inch

1/64 inch

1/32 inch

1/8 inch

30 / 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

Your score is

Saskatchewan Air Brake Test 07

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