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

How often should automatic slack adjusters be adjusted?

Monthly

Daily

Never

Weekly

2 / 30

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

Piston travel

Slack

None of these

Stroke

3 / 30

What are slack adjusters?

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

4 / 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

The wheel stops

You hear grinding

5 / 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

6 / 30

The entire slack adjuster operates as...

3 units

A unit

5 units

Individual units

7 / 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

8 / 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

9 / 30

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

2 inch

2 1/4 inch

2 1/2 inch

2 3/4 inch

10 / 30

At high temperature, what happens to the brake lining?

It thickens

It wears quickly

None of these

It breaks away

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

Are slack adjusters used with wedge-type brakes?

Only with trailer applications

Yes

Depending on the type of vehicle

13 / 30

What is the purpose of slack adjusters?

To improve the wear of brake pads

All of these

To increase the thickness of the brake lining

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

14 / 30

What does LS refer to for chamber size?

Least stroke

Lead stroke

Level stroke

Long stroke

15 / 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

16 / 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 lining needs replacement

If the brake pads need replacement

If the brake drums need replacement

17 / 30

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

1 3/4 inch

2 1/4 inch

2 inch

1 1/4 inch

18 / 30

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

50%

25%

40%

75%

19 / 30

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

Satisfactorily

Extremely dangerously

Dangerously

Poorly

20 / 30

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

Thicknesses

Lengths

Torque ratings

Arm configurations

21 / 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

22 / 30

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

1 1/2 inch

1 3/4 inch

1 7/8 inch

1 1/4 inch

23 / 30

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

1 1/8 inch

1 1/4 inch

1 1/2 inch

1 3/4 inch

24 / 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

25 / 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

26 / 30

What is the most common cause of loss of braking?

Small reservoirs

A ruptured brake line

Old brakes

Poor brake adjustment

27 / 30

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

A Z endorsement

An S endorsement

An A endorsement

A B endorsement

28 / 30

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

3/4 inch

The maximum

1/2 inch

A minimum

29 / 30

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

Eight to ten

Five to eight

Ten to twelve

Two to four

30 / 30

Stroke limit is +/- what?

1/32 inch

1/64 inch

1/16 inch

1/8 inch

Your score is

Saskatchewan Air Brake Test 07

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