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 50, Problem 2ASRQ
While discussing what affects the amount of pressure exerted by the brakes: Technician A says that the shorter the line, the more pressure there will be. Technician B says that braking force will increase if the size of the pistons in a master cylinder are increased. Who is correct?
- Technician A only
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Chapter 50 Solutions
Automotive Technology: A Systems Approach (MindTap Course List)
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 - What is the purpose of the master cylinder...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 - The purpose of the master cylinder is to. generate...
Ch. 50 - Which of the following can lead to brake hose...Ch. 50 - True or False? Metering and proportioning valves...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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- While diagnosing the cause for an engine having good results from a compression test and cylinder leakage test but poor results from a cylinder power balance test: Technician A says that incorrect valve timing is the most likely cause. Technician B says that a severely worn cam lobe is a likely cause. Who is correct? Technician A Technician B 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_forwardWhen replacing brake pads on a vehicle: Technician A works on one wheel before beginning work on an-other. Technician B uses a minimum of 52 psi of air pressure to force the piston from the caliper housing. Who is correct?arrow_forward
- why is brake fluid removed from the master cylinder prior to working on disc brakesarrow_forwardWhile discussing pull during braking: Technician A says that this can be caused by one tire being underinflated. Technician B says that a frozen wheel cylinder on one side of the car can cause this. Who is correct? Technician A only Technician B only Both A and B Neither A nor Barrow_forwardWhat is the function of the folowing system. What is the benefit of vacuum booster. Why is there a spring between primary and secondary pistons. What is the sort of fluids used in vacuum booster and master cylender, and why. Master Cylinder Vacuum Booster Vacuum Hose Diaphragm Secondary Reservoir Secondary Piston WAT LEAVI Spring's Brake Lines Primary Reservoir Primary Piston Vacuum on both sides of Diaphragm ©2000 How Stuff Works to Pedalarrow_forward
- Technician A says that a cylinder wall with too smooth a surface will prevent the piston rings from seating properly. Technician B says that a cylinder wall should have a crosshatch honing pattern. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardRusted-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_forwardAfter replacing a vacuum booster, the brakes lock up on a road test. Technician A says there is air trapped inside the brake lines. Technician B says the power booster pushrod needs adjustment. Who is correct? a. A only b. B only c. both A and B d. neither A nor Barrow_forward
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