Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Chapter 50, Problem 6ASRQ
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
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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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- 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 Barrow_forwardAfter resurfacing a brake drum: Technician A cleans it using hot water and a lint-free cloth. He then uses compressed air to thoroughly dry it Technician B cleans the drum using a lint-free cloth dipped in a special brake cleaning solvent. She then allows the drum to dry before reinstallation. 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 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_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_forwardExplain why the leading brake shoe wears quicker than the trailing shoe. Automotive engineeringarrow_forward
- Rusted-through brake lines are uncommon. a. True b. False A technician is diagnosing a vehicle with a braking system problem. When she removes the filler cap to check the fluid level in the master cylinder, she notices that the rubber seal on the cap is swollen and has begun to disintegrate. What could be the problem? a. water in the brake fluid b. petroleum-based lubricants in the fluid c. fluid overheating d. incorrect type of brake fluid The upward movement of the rear suspension opens the ______. a. residual pressure check valve b. metering valve c. height-sensing proportioning valve d. pressure differential valve A center high-mounted stop lamp (CHMSL) has been standard for more than 30 years. a. True b. Falsearrow_forwardCan someone help me fill out this worksheet please? I have A-R except G filled out so far. Thank youarrow_forwardTrue or False? If brake fluid is discolored, the system must be flushed and the fluid replaced.arrow_forward
- Which of the following is not a factor in determining the effectiveness of a brake system? Heat dissipation Lubricant Pressure Frictional contact areaarrow_forwardWhen the brakes are applied on a moving car, the frictional parts (brake or) are forced against the rotating parts of the car (brake or). The friction causes the rotating parts to slow down and stop. Just as the energy of the rotating parts is called kinetic, the friction used to stop them is called kinetic.arrow_forwardTrue or False? Backing plates, struts, levers, and other metal brake parts should be cleaned with a wet-cleaned using water or a water-based solution.arrow_forward
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