Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 50, Problem 3MC
Which type of brake requires greater application force and is commonly used with power-boost units?
- Drum
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Which type of brake requires greater application forceand is commonly used with power-boost units?a. Drumb. Discc. Parkingd. None of the above
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primary piston
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True or False?
A master cylinder that has a bulge at the rear, near the mounting flange, is a _____type master cylinder.
Chapter 50 Solutions
Automotive Technology
Ch. 50 - Explain why bleeding air out of a hydraulic system...Ch. 50 - Explain why modern hydraulic braking systems are...Ch. 50 - Describe the functions of the hydraulic system...Ch. 50 - When the brakes are applied on a moving car, the...Ch. 50 - What is the purpose of the master cylinder vent...Ch. 50 - Explain why a height-sensing proportioning valve...Ch. 50 - A three-function combination valve has a brake...Ch. 50 - Explain how vacuum is used to provide a power...Ch. 50 - True or False? Metering and proportioning valves...Ch. 50 - True or False? Semimetallic brake pads still often...
Ch. 50 - The purpose of the master cylinder is to. generate...Ch. 50 - Which of the following can lead to brake hose...Ch. 50 - Which type of brake requires greater application...Ch. 50 - Which of the following is not a factor in...Ch. 50 - Which of the following could cause an extremely...Ch. 50 - A vehicles power brakes are grabbing: Technician A...Ch. 50 - While discussing what affects the amount of...Ch. 50 - The metering valve portion of a combination valve...Ch. 50 - While discussing quick take-up master cylinders:...Ch. 50 - While bleeding a brake system: Technician A...Ch. 50 - The basic frictional parts of a brake system are...Ch. 50 - Vehicle dynamics during braking are being...Ch. 50 - Pressure bleeding is being discussed: Technician A...Ch. 50 - Technician A says that the master cylinder should...Ch. 50 - The hydraulic system of the hydro-boost and...
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- Which of the following is not a factor in determining the effectiveness of a brake system? Heat dissipation Lubricant Pressure Frictional contact areaarrow_forwardTrue 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.arrow_forwardExplain how drum brakes create a self-multiplying brake force.arrow_forward
- The 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_forwardWhile discussing quick take-up master cylinders: Technician A says that this design allows for increased braking power. Technician B says that this design is only used on drum brake systems. Who is correct? Technician A only Technician B only Both A and B Neither A nor Barrow_forwardTrue or False? Disc brakes are not as likely to fade during heavy braking as are drum brakes.arrow_forward
- Which of the following is not a factor in determiningthe effectiveness of a brake system?a. Heat dissipationb. Lubricantc. Pressured. Frictional contact areaarrow_forwardWhat type of brake uses the inside of each rear wheel hub and rotor assembly as a parking brake drum?arrow_forwardDiscuss the mechanism of each type of Brake systems.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_forwardWhich of the following statements about drum brake shoes is not true? Web thickness varies only with changes in shoe size. Many shoes have indented places along the edge of the rim. The shoe rim is welded to the web. The primary/leading shoe is typically the one that is positioned toward the front of the vehicle.arrow_forwardHow is the braking force of drum type brakes controlled?arrow_forward
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