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 S endorsement

A B endorsement

A Z endorsement

An A endorsement

2 / 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

A qualified person should repair them

Keep trying

3 / 30

The entire slack adjuster operates as...

5 units

A unit

Individual units

3 units

4 / 30

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

1/4 inch

3/4 inch

1/2 inch

1/8 inch

5 / 30

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

The maximum

3/4 inch

1/2 inch

A minimum

6 / 30

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

1 3/4 inch

2 inch

1 1/4 inch

2 1/4 inch

7 / 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 brake adjustment is necessary

If the brake drums need replacement

If the brake pads need replacement

8 / 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

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

All of these

To increase the thickness of the brake lining

10 / 30

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

2 5/8 inch

1 3/4 inch

2 1/8 inch

2 1/2 inch

11 / 30

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

Satisfactorily

Dangerously

Extremely dangerously

Poorly

12 / 30

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

Thicknesses

Lengths

Arm configurations

Torque ratings

13 / 30

Stroke limit is +/- what?

1/32 inch

1/16 inch

1/64 inch

1/8 inch

14 / 30

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

Stroke

Slack

Piston travel

None of these

15 / 30

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

75%

25%

50%

40%

16 / 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

17 / 30

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

1 5/8 inch

1 3/4 inch

1 1/4 inch

1 1/2 inch

18 / 30

When must the brakes be adjusted?

When slack reaches 3/4 inch

When slack reaches 1/2 inch

When slack reaches 1/4 inch

When slack reaches 5/8 inch

19 / 30

How often should automatic slack adjusters be adjusted?

Daily

Never

Monthly

Weekly

20 / 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 12

Up to 15

21 / 30

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

1 1/4 inch

1 3/4 inch

1 1/2 inch

1 7/8 inch

22 / 30

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

So it rotates freely

To be able to see clearly

To remove any weight that sits on it

All of these

23 / 30

What does LS refer to for chamber size?

Lead stroke

Least stroke

Long stroke

Level stroke

24 / 30

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

You hear grinding

The wheel stops

The wheel turns freely

There is resistance against the wheel

25 / 30

Are slack adjusters used with wedge-type brakes?

Depending on the type of vehicle

Yes

Only with trailer applications

26 / 30

What is the most common cause of loss of braking?

A ruptured brake line

Poor brake adjustment

Small reservoirs

Old brakes

27 / 30

A correctly adjusted brake will have how much available slack?

1/2 to 3/4 inch

1/4 to 3/8 inch

1/8 to 3/16 inch

1/16 to 1/8 inch

28 / 30

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

1 1/8 inch

1 3/4 inch

1 1/2 inch

1 1/4 inch

29 / 30

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

2 1/4 inch

2 3/4 inch

2 inch

2 1/2 inch

30 / 30

At high temperature, what happens to the brake lining?

It thickens

It wears quickly

It breaks away

None of these

Your score is

Saskatchewan Air Brake Test 07

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