Drum Brakes-jb
20 Questions
| Total Attempts: 343
Chapter 33
Questions and Answers
- 1._____________________ do just what their name suggests; they hold the brake shoes against the backing plate.
- A.
Specialty springs
- B.
Return springs
- C.
Hold-down springs
- D.
None of the above
- 2.__________________ are used to return links and levers on the parking brake system or the self-adjuster mechanism.
- A.
Specialty springs
- B.
Return springs
- C.
Hold-down springs
- D.
None of the above
- 3.Which type of brake lining is typically used on light-duty vehicles?
- A.
Bonded
- B.
Rivets
- C.
Both A and B
- D.
None of the above
- 4.Which of the following can be found on a typical drum brake shoe?
- A.
Holes
- B.
Slots
- C.
Tabs for springs
- D.
All of the above
- 5.The ___________________ gets its name from using the servo action in both the forward and the reverse direction.
- A.
Twin leading shoe drum brake system
- B.
Leading/trailing shoe drum brake system
- C.
Duo-servo drum brake system
- D.
None of the above
- 6.True or False. The composition of the lining material affects brake operation. Materials that provide good braking with low pedal pressures tend to lose efficiency when they get hot.
- A.
True
- B.
False
- 7.___________________ are installed so the direction they are applied is the same as the forward rotation of the drum.
- A.
Trailing shoes
- B.
Leading shoes
- C.
Stationary shoes
- D.
None of the above
- 8.Tech A says that it is a good practice to research any technical service bulletins for any brake system complaint. Tech B says that it is common practice to test-drive a vehicle even if the brake pedal goes to the floor. Who is correct?
- A.
Tech A
- B.
Tech B
- C.
Both Techs A and B
- D.
Neither Tech A nor B
- 9.Tech A says that when removing a hubless-style drum, you should first make matching marks on the drum and hub for reinstallation in the correct position. Tech B says that a center punch can be used to mark the position of the drum to hub. Who is correct?
- A.
Tech A
- B.
Tech B
- C.
Both Techs A and B
- D.
Neither Tech A nor B
- 10.Tech A says that if a hubless-style drum has screws or speed nuts holding the drum to the hub, you should remove them following the specified procedure. You cannot discard the speed nuts or the screws. Tech B says that if a hubless-style drum has screws or speed nuts holding the drum to the hub, you should remove them following the specified procedure. The speed nuts can be discarded and are not needed upon reassembly. The screws will be reused. Who is correct?
- A.
Tech A
- B.
Tech B
- C.
Both Techs A and B
- D.
Neither Tech A nor B
- 11.Tech A says that the anti-chatter band used for turning brake drums is not necessary, and not installing it on the brake drum will not affect the results. Tech B says that you should always install the anti-chatter band to reduce vibration and get the correct finish on the brake drum. Who is correct?
- A.
Tech A
- B.
Tech B
- C.
Both Techs A and B
- D.
Neither Tech A nor B
- 12.Tech A says that to reassemble a duo-servo brake, the backing plate pads should be lubricated. Tech B says that to reassemble a duo-servo brake, the star wheel assembly should be lubricated on the floating end. Who is correct?
- A.
Tech A
- B.
Tech B
- C.
Both Techs A and B
- D.
Neither Tech A nor B
- 13.All of the following components are part of a parking brake system in a drum brake, EXCEPT:
- A.
Primary shoe.
- B.
Secondary shoe.
- C.
Brake strut rod.
- D.
Wheel cylinder.
- 14.Which of the following is a recommended tool for removing brake lines from a wheel cylinder?
- A.
Flare nut wrench
- B.
Line wrench
- C.
Both A and B
- D.
None of the above
- 15.Tech A says that many wheels use a tapered hole that matches the tapered end of the lug nut and centers the wheel on the wheel flange. Tech B says that manufacturers usually suggest tightening wheel lugs in a circular pattern. Who is correct?
- A.
Tech A
- B.
Tech B
- C.
Both Techs A and B
- D.
Neither Tech A nor B
- 16.Tech A says that you should always start lug nuts on the wheel stud by hand. Tech B says that on some vehicles you are required to install the hubcap before installing the lug nuts. Who is correct?
- A.
Tech A
- B.
Tech B
- C.
Both Techs A and B
- D.
Neither Tech A nor B
- 17.Tech A says that during a brake inspection, it is good practice to carefully peel back the dust boot from a wheel cylinder and see if there is any brake fluid behind the dust boot. A little brake fluid is normal. Tech B says that during a brake inspection, it is good practice to carefully peel back the dust boot from a wheel cylinder and see if there is any brake fluid behind the dust boot. If there is, the wheel cylinder is starting to leak and should be replaced. Who is correct?
- A.
Tech A
- B.
Tech B
- C.
Both Techs A and B
- D.
Neither Tech A nor B
- 18.Tech A says that servicing the wheel bearings is a common part of a brake job if the vehicle has serviceable wheel bearings. Tech B says that if the vehicle uses non-serviceable bearings, the bearings should be checked during a brake job and replaced if they are worn out. Who is correct?
- A.
Tech A
- B.
Tech B
- C.
Both Techs A and B
- D.
Neither Tech A nor B
- 19.Which type of drum is typically used on common passenger vehicles?
- A.
Hub-style drum
- B.
Hubless-style drum
- C.
Both A and B
- D.
None of the above
- 20.Wheel cylinders typically contain which of the following?
- A.
Pistons
- B.
Spring and expander set
- C.
Both A and B
- D.
None of the above
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