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Brakes ASE

Total questions: 38

Worksheet time: 19mins

Name
Class
Date
1.

Two technicians are discussing drum brake shoes. Technician A says that forward and​ rear-facing shoes are the same and can be installed in either position on any drum brake system. Technician B says that the darker color linings should always be placed toward the front of the vehicle. Which technician is​ correct?

a)

Technician A

b)

Technician B

c)

Both A and B

d)

Neither A nor B

2.

Technician A says that the anchor pin​ (shoe anchor) is used to hold one end of the primary and secondary shoe return springs. Technician B says that the shoe anchor prevents the brake shoes from rotating with the drum when the brakes are applied. Which technician is​ correct?

a)

Technician A

b)

Technician B

c)

Both Technician A and B

d)

Neither Technician A nor B

3.

Which lining does most of the braking on a​ dual-servo brake?

a)

Both contribute equally

b)

Front (forward facing)

c)

Rear (rearward facing)

d)

Depends on the speed of the vehicle

4.

Which lining does most of the braking on a​ leading/trailing brake?

a)

Depends on the speed of the vehicle

b)

Trailing (rearward facing)

c)

Both contribute equally

d)

Leading (forward facing)

5.

The brakes on a​ dual-servo drum system are designated as​ ________.

a)

Two leading shoes

b)

Primary and Secondary

c)

Leading and Trailing

d)

None of the above

6.

​________ action uses drum rotation to force the brake shoe outward and wedge it tightly against the brake drum.

a)

Self- Energizing

b)

Centrifugal

c)

Centripetal

d)

Servo

7.

When removing the Brake line from a Wheel Cylinder, what tool should be used?

a)

Correct size socket

b)

vise grips

c)

Flare nut or line wrench

d)

Allen wrench

8.

As a general rule, how often should brakes be checked?

a)

Every 20,000 miles

b)

Annually

c)

Every 40,000 miles

d)

Every 2 years

9.

Technician A says to make the finish cut at the slowest speed when machining brake drums. Technician B says that the drum should not exceed its discard diameter. Who is correct?

a)

Technician A only

b)

Technician B only

c)

Both Technician A and B

d)

Neither Technician A nor B

10.

Duo-Servo brakes adjust:

a)

When applying the parking brake.

b)

When applying the brakes in forward.

c)

When applying the brakes in reverse.

d)

By variations in fluid pressure.

11.

Leading Trailing brakes are adjusted:

a)

By using the Parking Brake.

b)

When applying the brakes in forward.

c)

When applying the brakes in reverse.

d)

Only manually.

12.

On a Duo-Servo drum brake, when compared to Primary shoe linings, the Secondary shoe linings are:

a)

Shorter than the Primary linings

b)

Longer than the Primary linings

c)

The same length as Primary linings

d)

Made of a harder material

13.

Technician A says that all modern brake linings are bonded to their shoes. Technician B says that some brake linings are riveted to their shoes. Who is correct?

a)

Technician A only

b)

Technician B only

c)

Both Technician A and B

d)

Neither Technician A nor B

14.

After assembling a drum​ brake, it is discovered that the brake drum will not fit over the new brake shoes. Technician A says that the parking brake cable may not have been fully released. Technician B says to check to see if both shoes are contacting the anchor pin. Which technician is​ correct?

a)

Technician A only

b)

Technician B only

c)

Both Technician A and B

d)

Neither Technician A nor B

15.

Technician A says that hard spots in a brake drum should be removed using a​ carbide-tip machining tool. Technician B says the drum should be replaced if hard spots are discovered. Which technician is​ correct?

a)

Technician A only

b)

Technician B only

c)

Both Technician A and B

d)

Neither Technician A nor B

16.

New rear brake shoes were replaced on a​ rear-wheel-drive vehicle equipped with front disc brakes and rear drum brakes. During the test drive smoke was observed coming from both rear wheels. Technician A says that this is normal because the new linings always smoke when first heated due to the resins in the lining. Technician B says that the parking brake cable may not have been fully released causing the brakes to drag. Which technician is​ correct?

a)

Technician A only

b)

Technician B only

c)

Both Technician A and B

d)

Neither Technician A nor B

17.

Which is the most likely cause of chatter marks on the friction surface of a brake drum during​ machining?

a)

Machining the drum at too fast a speed

b)

Using the wrong cutter

c)

Dirt or grease build up on the inside of the drum

d)

Lack of a vibration damper

18.

New wheel cylinders are being installed. Which operation is not​ required?

a)

The wheel cylinder should be bled of any trapped air.

b)

The retainer fastener should be torqued to factory specifications.

c)

The brake line should be attached.

d)

Compressing the pistons before installing the wheel cylinder on the backing plate

19.

On a car with disc/drum brakes, the front brakes grab quickly when light pedal pressure is applied. This problem could be cause by a bad:

a)

Proportioning valve

b)

Pressure safety valve

c)

Metering valve

d)

Residual check valve

20.

The driver of a vehicle with power disc/drum brakes says the brake pedal moves slowly to the floor while maintaining pedal pressure at a stoplight. What could cause this problem?

a)

Leaking primary piston cup in master cylinder

b)

Leaking power brake booster

c)

Leaking residual check valve in master cylinder

d)

Internal leak in the combination valve

21.

Which of the following would MOST LIKELY happen if the measurements taken from the check shown above varied from the manufacturer's specifications?

a)

Noisy brake operation

b)

Brake grab or pull

c)

Pulsating brake pedal

d)

Low brake pedal

22.

What is the purpose of the master cylinder residual check valve(s) on vehicles equipped with drum brakes?

a)

Allows the driver to pump up the brakes

b)

Prevents air from entering the hydraulic system

c)

Prevents wheel lockup by reducing the hydraulic pressure

d)

Reduces pedal pulsation by controlling hydraulic pressure

23.

A technician has just overhauled the front brakes on a vehicle with front disc and rear drum brakes. However, when he attaches a pressure bleeder (pressurized to about 25 psi) to the master cylinder, he cannot get any fluid to come out of the disc brake caliper bleeder screws. Which of the following is MOST LIKELY the cause?

a)

Bad proportioning valve

b)

Bad pressure differential valve

c)

Proportioning valve release button not activated

d)

Metering valve release button not activated

24.

On a vehicle with single piston floating caliper front disc brakes, the brake pads on the left side on the vehicle are almost completely worn while the right side is almost new. Technician A says that too much rotor runout could be the cause. Technician B says that a binding caliper piston could be the cause. Who is right?

a)

Technician A only

b)

Technician B only

c)

Both A and B

d)

Neither A nor B

25.

What is the purpose of the bar that is being removed from the brake assembly shown below?

a)

To equalize the braking force between the shoes during normal braking

b)

To center the shoes after each brake application

c)

To force the shoes into the drum when the parking brakes are applied

d)

To reduce the distance between the shoes and the drum

26.

A hydraulic brake line is leaking. Which of the following is the correct repair procedure?

a)

Cut out the bad section and replace with new steel tubing using compression fittings

b)

Replace the leaking line with double-flared, seamless copper tubing

c)

Cut out the bad section and replace with single-flared steel tubing using flare nuts and unions

d)

Replace the leaking line with double-flared steel tubing

27.

The set-up shown above is used to check:

a)

Rotor parallelism

b)

Wheel bearing adjustment

c)

Rotor lateral runout

d)

Rotor face wear

28.

Which of the following problems would be caused by using a residual check valve in a disc brake master cylinder?

a)

Reduced brake pedal travel

b)

Reduced brake system pressure

c)

Increased brake pad wear

d)

Increased rotor runout

29.

Which of the following brake symptoms can be caused by wheel bearing problems?

a)

Pedal pulsation

b)

Brake pull

c)

Grabbing

d)

All of the above

30.

Which component in the Hydro-Boost system provides power assist if there is a loss of hydraulic pressure to the system?

a)

Boost piston

b)

Check valve

c)

Accumulator

d)

Open-center spool valve

31.

A customer complains that the parking brake will not keep his car stationary. The car has four-wheel disc brakes. Technician A says the caliper levers could be out of adjustment. Technician B says the brake shoes could need adjustment. Who is right?

a)

Technician A only

b)

Technician B only

c)

Both A and B

d)

Neither A or B

32.

When replacing an integral hub/bearing assembly on a front wheel drive vehicle, all of the following must be replaced EXCEPT:

a)

Brake rotor

b)

Brake caliper

c)

Steering knuckle

d)

Wheel

33.

A wheel cylinder has been disassembled and corrosion and light scoring have been found in the bore. Technician A says the bore can be refinished using a small hone lubricated with cutting oil. Technician B says oversize pistons and cup seals can be installed if the hone removes too much material. Who is right?

a)

Technician A only

b)

Technician B only

c)

Both A and B

d)

Neither A nor B

34.

Two technicians are discussing traction control systems. Technician A says that some traction control strategies do not use the brakes to control wheel spin. Technician B says that a fault in the ABS does not affect traction control. Who is right?

a)

Technician A only

b)

Technician B only

c)

Both A and B

d)

Neither A nor B

35.

When rough machining a brake drum, the depth of cut and spindle feed rate should be:

a)

0.010-0.015-in. at high feed rate

b)

0.010-0.015-in. at low feed rate

c)

0.005-in. at high feed rate

d)

0.005-in. at low feed rate

36.

In the test shown above, vacuum should:

a)

Exist on the engine side but not on the booster side

b)

Exist on the booster side but not on the engine side

c)

Exist on both sides

d)

Exist on neither side

37.

Technician A says the number on the brake drum shown above indicates the maximum diameter, beyond which the drum should not be used. Technician B says the number indicates the maximum diameter the drum can be machined to. Who is right?

a)

Technician A only

b)

Technician B only

c)

Both A and B

d)

Neither A nor B

38.

A vehicle's brake warning system schematic is shown above. All of the following could cause the brake warning light to stay illuminated EXCEPT:

a)

A short to ground between C105 and C201

b)

A stuck closed parking brake switch

c)

An open between C237 and C305

d)

A leaking wheel cylinder