Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN: 9781133612315
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Chapter 51, Problem 7RQ
True or False? The name duo-servo drum brake is derived from the fact that the self-energizing force is transferred from one shoe to another with the wheel rotating forward.
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True or False? The name duo-servo drum brake isderived from the fact that the self-energizing force istransferred from one shoe to another with the wheelrotating forward.
The advantages and disadvantages of disc brake systems are being discussed. Technician A says that disc brakes are more likely to develop brake fade and water fade. Technician B says that reduction of mechanical fade and gas fade is an advantage of disc brakes. Who is correct?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
2. The operation of disc brake systems is being discussed. Technician A says that composite rotors were developed to save weight. Technician B says that a fixed rotor assembly is part of the hub.
Who is correct?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
Disc brakes are not as likely to fade during heavy braking as are drum brakes. True OR False?
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Explain how drum brakes create a self-multiplying brake force.arrow_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_forwardWhat is the advantage of dynamic brakes over mechanical brakes?arrow_forward
- (select the incorrect statement) Swinging caliper disc brakes have the following advantages when compared to internal shoe drum brakes: Select one: OA. Uniform friction pad wear OB. Initial cost is lower OC. Simpler in design O D. Have better anti-fade characteristicsarrow_forwardIn terms of legislative requirements, what standard must all parking brake systems meet in order to be compliant? (20 -30 words) What additional requirements (if any) apply to each of the following park brake mechanisms? (10-20 words each) a. Electrically operated b. Manually operated via a lever c. Manually operated via a foot pedalarrow_forwardExplain the operation of an integral drum brake parking brake.arrow_forward
- Name the two methods of attaching brake lining materials to the brake shoes.arrow_forwardExplain why the leading brake shoe wears quicker than the trailing shoe. Automotive engineeringarrow_forwardWhich type of brake requires greater application forceand is commonly used with power-boost units?a. Drumb. Discc. Parkingd. None of the abovearrow_forward
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