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

An A endorsement

A B endorsement

A Z endorsement

An S endorsement

2 / 30

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

1 1/8 inch

1 1/2 inch

1 3/4 inch

1 1/4 inch

3 / 30

Are slack adjusters used with wedge-type brakes?

Yes

Depending on the type of vehicle

Only with trailer applications

4 / 30

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

20 or more

Up to 15

Up to 12

5 / 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

6 / 30

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

Avoid driving at highway speeds

Take them apart to find the problem

Keep trying

A qualified person should repair them

7 / 30

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

1 5/8 inch

1 3/4 inch

1 1/2 inch

1 1/4 inch

8 / 30

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

Poorly

Satisfactorily

Extremely dangerously

Dangerously

9 / 30

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

2 1/8 inch

1 3/4 inch

2 5/8 inch

2 1/2 inch

10 / 30

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

75%

50%

25%

40%

11 / 30

What does LS refer to for chamber size?

Lead stroke

Level stroke

Long stroke

Least stroke

12 / 30

When must the brakes be adjusted?

When slack reaches 1/2 inch

When slack reaches 1/4 inch

When slack reaches 3/4 inch

When slack reaches 5/8 inch

13 / 30

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

There is resistance against the wheel

The wheel turns freely

You hear grinding

The wheel stops

14 / 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

So it rotates freely

To be able to see clearly

15 / 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

16 / 30

What are slack adjusters?

None of these

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

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

17 / 30

How often should automatic slack adjusters be adjusted?

Daily

Monthly

Weekly

Never

18 / 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

19 / 30

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

Thicknesses

Torque ratings

Arm configurations

Lengths

20 / 30

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

Stroke

Piston travel

None of these

Slack

21 / 30

Stroke limit is +/- what?

1/64 inch

1/8 inch

1/16 inch

1/32 inch

22 / 30

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

3/4 inch

A minimum

1/2 inch

The maximum

23 / 30

At high temperature, what happens to the brake lining?

It wears quickly

It thickens

None of these

It breaks away

24 / 30

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

1 1/4 inch

1 3/4 inch

2 1/4 inch

2 inch

25 / 30

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

1 3/4 inch

1 1/2 inch

1 1/4 inch

1 7/8 inch

26 / 30

What is the most common cause of loss of braking?

Poor brake adjustment

Small reservoirs

Old brakes

A ruptured brake line

27 / 30

A correctly adjusted brake will have how much available slack?

1/8 to 3/16 inch

1/2 to 3/4 inch

1/4 to 3/8 inch

1/16 to 1/8 inch

28 / 30

The entire slack adjuster operates as...

5 units

A unit

3 units

Individual units

29 / 30

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

If brake adjustment is necessary

If the brake pads need replacement

If the brake drums need replacement

If the brake lining needs replacement

30 / 30

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

Five to eight

Eight to ten

Ten to twelve

Two to four

Your score is

Saskatchewan Air Brake Test 07

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