Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN: 9781133612315
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Textbook Question
Chapter 51, Problem 7ASRQ
When machining brake drums: Technician A tries to remove only enough metal to obtain a true, smooth surface. Technician B cuts the drum on the other side of the axle to the same diameter as the one that was cut first. Who is correct?
- Technician A only
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Chapter 51 Solutions
Automotive Technology: A Systems Approach (MindTap Course List)
Ch. 51 - Name the two methods of attaching brake lining...Ch. 51 - Explain how drum brakes create a self-multiplying...Ch. 51 - List at least five separate types of wear and...Ch. 51 - What is the job of wheel cylinder stops?Ch. 51 - Explain the operation of an integral drum brake...Ch. 51 - In a typical drum brake, which component provides...Ch. 51 - True or False? The name duo-servo drum brake is...Ch. 51 - Prob. 8RQCh. 51 - Which of the following statements about drum brake...Ch. 51 - Brake linings should be replaced when. linings are...
Ch. 51 - In the unapplied position, drum brake shoes arc...Ch. 51 - Duo-servo drum brakes are also known as what type...Ch. 51 - On most vehicles, the automatic adjuster cables or...Ch. 51 - Backing plates, struts, levers, and other metal...Ch. 51 - A buildup of brake dust and dirt between the...Ch. 51 - Technician A says that an out-of-round drum can...Ch. 51 - Technician A says that a grinding noise from a...Ch. 51 - It has been determined that chatter and brake pull...Ch. 51 - Technician A says that the discard dimension of a...Ch. 51 - After resurfacing a brake drum: Technician A...Ch. 51 - Drum linings are badly worn at their heel and toe:...Ch. 51 - When machining brake drums: Technician A tries to...Ch. 51 - While discussing what would happen if too much...Ch. 51 - Technician A checks the surface of the drum for...Ch. 51 - While discussing pull during braking: Technician A...
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- While discussing what would happen if too much metal is removed from a drum by machining: Technician A says that noise can result from the thin drum vibrating when the brakes are applied. Technician B says that the brakes could fade because the thin drum is unable to absorb heat during braking. Who is correct? Technician A only Technician B only Both A and B Neither A nor Barrow_forwardThe basic frictional parts of a brake system are being discussed: Technician A says that the harder the frictional parts are pushed together, the higher the friction. Technician B says that the harder the frictional parts are pushed together, the more heat is developed. Who is correct? Technician A only Technician B only Both A and B Neither A nor Barrow_forwardTechnician A says that the discard dimension of a brake drum is the drums allowable machining dimension. Technician B says that the discard dimension is the allowable wear dimension. There must be 0.030 inch left for wear after machining. Who is correct? Technician A only Technician B only Both A and B Neither A nor Barrow_forward
- While discussing the effects of overtorquing wheel lugs: Technician A says that this can cause the threads of the lugs and/or studs to distort. Technician B says that this can cause disc brake rotor distortion. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardTechnician A says that a grinding noise from a drum brake when it is not applied can be caused by a bad wheel bearing. Technician B says that a grinding noise from a drum brake when it is not applied can be caused by worn brake hardware. Who is correct? Technician A only Technician B only Both A and B Neither A nor Barrow_forwardit has been determined that chatter and brake pull are being caused by hard spots on the brake drum: Technician A say that the problem can be solved by grinding off the hard spots. Technician B says that the drum must be replaced. who is correct?arrow_forward
- Which of the following statements about drum brake shoes is not true? a. Linings may be riveted or bonded to the shoes. b. Shoe indentions hold the shoe in place against the backing plate. c. The shoe rim supports the shoe lining. d. The primary/leading shoe is typically the one that is positioned toward the front of the vehicle.arrow_forwardTechnician A says that an out-of-round drum can cause a pulsating brake pedal. Technician B says that an out-of-round drum can cause the brakes to grab. Who is correct?arrow_forwardTechnician A tests brake drums for out-of-round using a dial indicator. Technician B measures the drum diameter in several places to check for out-of-round. Who is correct?arrow_forward
- From the following identify the safety precaution for Milling machine. Sharp countersinks need to be using while milling Loosening of nuts should not be done by the machine torque . Nuts can be loosen by machine torque. The T-Handle should be removed from the chuck before millingarrow_forwardList at least five seperate types of wear and distortion to look for when inspecting brake drums.arrow_forwardWhich of the following is not measured when inspecting the brake rotors and pads? Out of round Rotor thickness Runout Pad thicknessarrow_forward
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