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

A correctly adjusted brake will have how much available slack?

1/8 to 3/16 inch

1/4 to 3/8 inch

1/16 to 1/8 inch

1/2 to 3/4 inch

2 / 30

When must the brakes be adjusted?

When slack reaches 5/8 inch

When slack reaches 1/2 inch

When slack reaches 1/4 inch

When slack reaches 3/4 inch

3 / 30

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

1 1/2 inch

1 1/4 inch

1 3/4 inch

1 5/8 inch

4 / 30

Stroke limit is +/- what?

1/64 inch

1/16 inch

1/32 inch

1/8 inch

5 / 30

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

1/4 inch

1/8 inch

3/4 inch

1/2 inch

6 / 30

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

2 1/2 inch

2 5/8 inch

2 1/8 inch

1 3/4 inch

7 / 30

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

1 3/4 inch

1 1/8 inch

1 1/2 inch

1 1/4 inch

8 / 30

The entire slack adjuster operates as...

3 units

5 units

A unit

Individual units

9 / 30

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

To remove any weight that sits on it

To be able to see clearly

All of these

So it rotates freely

10 / 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 pads need replacement

If the brake drums need replacement

If brake adjustment is necessary

11 / 30

At high temperature, what happens to the brake lining?

It wears quickly

It breaks away

It thickens

None of these

12 / 30

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

1 7/8 inch

1 1/2 inch

1 1/4 inch

1 3/4 inch

13 / 30

How often should automatic slack adjusters be adjusted?

Weekly

Never

Daily

Monthly

14 / 30

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

3/4 inch

The maximum

A minimum

1/2 inch

15 / 30

What are slack adjusters?

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

None of these

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

16 / 30

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

You hear grinding

The wheel stops

There is resistance against the wheel

The wheel turns freely

17 / 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

Up to 12

20 or more

18 / 30

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

40%

50%

25%

75%

19 / 30

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

2 inch

1 1/4 inch

2 1/4 inch

1 3/4 inch

20 / 30

What does LS refer to for chamber size?

Long stroke

Level stroke

Lead stroke

Least stroke

21 / 30

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

Stroke

Slack

None of these

Piston travel

22 / 30

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

2 1/2 inch

2 1/4 inch

2 inch

2 3/4 inch

23 / 30

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

Lengths

Thicknesses

Torque ratings

Arm configurations

24 / 30

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

Keep trying

A qualified person should repair them

Avoid driving at highway speeds

Take them apart to find the problem

25 / 30

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

Five to eight

Ten to twelve

Two to four

Eight to ten

26 / 30

Are slack adjusters used with wedge-type brakes?

Yes

Depending on the type of vehicle

Only with trailer applications

27 / 30

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

Satisfactorily

Extremely dangerously

Dangerously

Poorly

28 / 30

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

An A endorsement

A Z endorsement

An S endorsement

A B endorsement

29 / 30

What is the most common cause of loss of braking?

Small reservoirs

Poor brake adjustment

A ruptured brake line

Old brakes

30 / 30

What is the purpose of slack adjusters?

All of these

To improve the wear of brake pads

To increase the thickness of the brake lining

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

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Saskatchewan Air Brake Test 07

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