Automotive Technology: Principles, Diagnosis, And Service; My Automotive Lab With Pearson Etext -- Access Code Card -- For Automotive Technology; ... For Automotive Technology (5th Edition)
5th Edition
ISBN: 9780134209227
Author: James D. Halderman
Publisher: PEARSON
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Textbook Question
Chapter 20, Problem 2CQ
As the percentage of antifreeze in the coolant increases, __________.
- a. the freezing point decreases (up to a point)
- b. the boiling point decreases
- c. the heat transfer increases
- d. All of the above
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1-While refilling an 8-quart (7.57 L) system with coolant: Technician A initially puts in 4 quarts (3.78 L) of straight coolant and tops it off with water. Technician B fills the system with the correct mixture, tightens the radiator cap, and then checks for leaks. Who is correct?
2-While checking for conditions that might cause coolant electrolysis: Technician A places the positive lead of a voltmeter into the coolant and connects the negative lead to a ground. Technician B checks for the presence of voltage in the coolant with the ignition off. Who is correct?
3-Technician A says that if the PCV valve or connecting hoses become clogged, excessive pressure will develop in the crankcase and can cause oil leaks. Technician B says that if the PCV valve or connecting hoses become clogged, oil may be pushed into the air cleaner or cause it to be drawn into the intake manifold. Who is correct?
4-While bleeding air from a cooling system: Technician A loosens a heater hose at its highest…
Chapter 20 Solutions
Automotive Technology: Principles, Diagnosis, And Service; My Automotive Lab With Pearson Etext -- Access Code Card -- For Automotive Technology; ... For Automotive Technology (5th Edition)
Ch. 20 - What types of coolant are used in vehicles?Ch. 20 - Why is a 50/50 mixture of antifreeze and water...Ch. 20 - What are the differences among IAT, OAT, HOAT, and...Ch. 20 - What are some of the heavy metals that can be...Ch. 20 - What is the difference between galvanic activity...Ch. 20 - Coolant is water and ____________. a. methanol b....Ch. 20 - As the percentage of antifreeze in the coolant...Ch. 20 - Adding a chemical to make ethylene glycol coolant...Ch. 20 - Asian red coolant is what type? a. IAT b. OAT c....Ch. 20 - Prob. 5CQ
Ch. 20 - PHOAT coolant is what color? a. Dark green b. Red...Ch. 20 - DEX-COOL is ____________. a. propylene glycol b....Ch. 20 - Two technicians are discussing testing coolant for...Ch. 20 - Reusing old coolant is generally not approved by...Ch. 20 - A voltmeter was used to check the coolant and a...
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