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

The entire slack adjuster operates as...

Individual units

5 units

3 units

A unit

2 / 30

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

50%

40%

25%

75%

3 / 30

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

A Z endorsement

An A endorsement

A B endorsement

An S endorsement

4 / 30

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

A qualified person should repair them

Take them apart to find the problem

Avoid driving at highway speeds

Keep trying

5 / 30

How often should automatic slack adjusters be adjusted?

Daily

Weekly

Monthly

Never

6 / 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

7 / 30

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

Lengths

Torque ratings

Arm configurations

Thicknesses

8 / 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

To improve the wear of brake pads

All of these

9 / 30

What are slack adjusters?

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

None of these

10 / 30

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

Dangerously

Poorly

Satisfactorily

Extremely dangerously

11 / 30

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

1 3/4 inch

2 5/8 inch

2 1/2 inch

2 1/8 inch

12 / 30

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

1 5/8 inch

1 1/2 inch

1 1/4 inch

1 3/4 inch

13 / 30

At high temperature, what happens to the brake lining?

It breaks away

None of these

It thickens

It wears quickly

14 / 30

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

1/2 inch

1/4 inch

1/8 inch

3/4 inch

15 / 30

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

The wheel turns freely

The wheel stops

There is resistance against the wheel

You hear grinding

16 / 30

What does LS refer to for chamber size?

Least stroke

Long stroke

Level stroke

Lead stroke

17 / 30

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

2 inch

2 1/4 inch

1 3/4 inch

1 1/4 inch

18 / 30

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

So it rotates freely

All of these

To remove any weight that sits on it

To be able to see clearly

19 / 30

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

2 3/4 inch

2 1/4 inch

2 inch

2 1/2 inch

20 / 30

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

None of these

Piston travel

Stroke

Slack

21 / 30

When must the brakes be adjusted?

When slack reaches 3/4 inch

When slack reaches 1/4 inch

When slack reaches 1/2 inch

When slack reaches 5/8 inch

22 / 30

What is the most common cause of loss of braking?

Poor brake adjustment

Small reservoirs

Old brakes

A ruptured brake line

23 / 30

Stroke limit is +/- what?

1/32 inch

1/16 inch

1/64 inch

1/8 inch

24 / 30

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

Ten to twelve

Two to four

Five to eight

Eight to ten

25 / 30

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

1 7/8 inch

1 3/4 inch

1 1/2 inch

1 1/4 inch

26 / 30

A correctly adjusted brake will have how much available slack?

1/8 to 3/16 inch

1/2 to 3/4 inch

1/16 to 1/8 inch

1/4 to 3/8 inch

27 / 30

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

A minimum

3/4 inch

1/2 inch

The maximum

28 / 30

Are slack adjusters used with wedge-type brakes?

Yes

Depending on the type of vehicle

Only with trailer applications

29 / 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 lining needs replacement

If brake adjustment is necessary

If the brake drums need replacement

30 / 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

Your score is

Saskatchewan Air Brake Test 07

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