Disc Brakes Trivia Quiz
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Chapter 32
- 1.Once all of the lug nuts have been torqued, go around them again, this time in a _______________ to ensure that you did not miss any in the previous pattern.
- A.
Star pattern
- B.
Circular pattern
- C.
Alternating pattern
- D.
None of the above
- 2.When installing wheels on a vehicle that a technician just finished servicing, the technician should use a(n) __________________________ to tighten each wheel lug nut.
- A.
Impact gun
- B.
Air ratchet
- C.
Torque wrench
- D.
None of the above
- 3.When inspecting wheel studs for damage, a technician should look for which of the following?
- A.
Necked-down or thinned-out sections
- B.
Cross-threading
- C.
Seizing of the lug nut on the stud
- D.
All of the above
- 4.Which of the following is a typical disc rotor?
- A.
Hub-style
- B.
Hubless-style
- C.
Both A and B
- D.
None of the above
- 5.Removing the rotor is usually required when the rotor:
- A.
Is under the specified minimum thickness.
- B.
Would be under the minimum thickness after machining.
- C.
Both A and B
- D.
None of the above
- 6.True or False. Disc rotors and drums can be refinished while on the vehicle or off the vehicle
- A.
True
- B.
False
- 7.True or False. Rotors that are too thin cannot handle as much heat and will experience brake fade.
- A.
True
- B.
False
- 8.Excessive brake disc rotor thickness variation will cause:
- A.
Steering wheel shimmy.
- B.
A brake surging/pulsation feeling.
- C.
Both A and B
- D.
None of the above
- 9.Which of the following is a type of disc brake pad wear indicator?
- A.
Scratcher type
- B.
Sensor type
- C.
Both A and B
- D.
None of the above
- 10.True or False. Retracting the caliper piston on an integrated parking brake system is different than on a standard caliper.
- A.
True
- B.
False
- 11.Which of the following can cause brake pedal pulsation?
- A.
Warped rotors
- B.
Anti-lock braking system operation
- C.
Both A and B
- D.
None of the above
- 12.True or False. Pinching off the flexible brake hoses with vice grip pliers is a recommended method of closing rubber brake lines.
- A.
True
- B.
False
- 13.If the ________________ anti-lock braking system warning lamp illuminates, it typically means the vehicle's power train control module has observed a fault in the anti-lock brake system and will need to be checked for diagnostic trouble codes.
- A.
Red
- B.
Blue
- C.
Yellow
- D.
None of the above
- 14.Disc brake rotors with holes or slots machined into their surface can help:
- A.
Dissipate heat more quickly.
- B.
Remove water more quickly
- C.
Both A and B
- D.
None of the above
- 15.In a disc brake system, the dust shields help control which of the following?
- A.
Dust
- B.
Water
- C.
Road debris
- D.
All of the above
- 16.Tech A says that when the brake pedal is depressed, a push rod creates the hydraulic pressure in the disc brake system. Tech B says that when the brake pedal is depressed, a push rod transfers the force through a brake booster to a hydraulic master cylinder. Who is correct?
- A.
Tech A
- B.
Tech B
- C.
Both Techs A and B
- D.
Neither Tech A nor B
- 17.All of the following are disadvantages of disc brake systems, EXCEPT:
- A.
Water dissipation.
- B.
Rotor warpage.
- C.
Squeals.
- D.
Squeaks.
- 18.Tech A says that fixed calipers are rigidly bolted in place and cannot move or slide. Tech B says that the sliding or floating caliper has brake pads located on each side of the rotor, but all the pistons are on only one side, usually the inside of the rotor. Who is correct?
- A.
Tech A
- B.
Tech B
- C.
Both Techs A and B
- D.
Neither Tech A nor B
- 19.All of the following are types of disc brake calipers, EXCEPT:
- A.
Rotating caliper.
- B.
Fixed caliper
- C.
Floating caliper.
- D.
Sliding caliper.
- 20.Tech A says that in disc brake calipers, the piston is sealed by a stationary round section sealing ring, also called a round cut O-ring. Tech B says that in disc brake calipers, the piston is sealed by a stationary square section sealing ring, also called a square cut O-ring. Who is correct?
- A.
Tech A
- B.
Tech B
- C.
Both Techs A and B
- D.
Neither Tech A nor B
- 21.Tech A says that manufacturers have dealt with caliper brake piston corrosion by making pistons out of a phenolic resin. Tech B says that even though the phenolic pistons themselves do not corrode, the cast iron bore of the caliper does corrode and rust, and can therefore cause a phenolic piston to seize in the bore. Who is correct?
- A.
Tech A
- B.
Tech B
- C.
Both Techs A and B
- D.
Neither Tech A nor B
- 22.Which of the following is/are LEAST likely to be used to reduce disc brake squeal?
- A.
Shims
- B.
Spacers
- C.
Axle grease
- D.
Bendable tangs
- 23.Tech A says that burnishing the new brake pads results in longer brake pad life. Tech B says that burnishing the new brake pads results in quiet brake life. Who is correct?
- A.
Tech A
- B.
Tech B
- C.
Both Techs A and B
- D.
Neither Tech A nor B
- 24.Tech A says that a wheel stud that shows signs of cross-threaded lug nuts should be rethreaded with a die and put back in service. Tech B says that a wheel stud that shows signs of cross-threaded lug nuts should be replaced. Who is correct?
- A.
Tech A
- B.
Tech B
- C.
Both Techs A and B
- D.
Neither Tech A nor B
- 25.Tech A says that the piston on a brake caliper that integrates the parking brake will need to be screwed back in on the threaded shaft to retract it into the bore. Tech B says that you need a special tool that mates to slots, grooves, or holes in the outer face of the caliper piston. Who is correct?
- A.
Tech A
- B.
Tech B
- C.
Both Techs A and B
- D.
Neither Tech A nor B
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