Bundle: Automotive Technology: A Systems Approach, 6th + LMS Integrated for MindTap Auto Trades Printed Access Card
6th Edition
ISBN: 9781305366749
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Textbook Question
Chapter 8, Problem 20RQ
True or False? An oil with the classification of 5W-30 has the viscosity of both a 5- and 30-weight oil. The 5W means the oil has a viscosity of 5 when warm and a 30 rating when it is cold.
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The rate of change of viscosity with temperature is known as viscosity index and low viscosity index means oil will remain the same over a wide range of temperatures,
Select one:
True
False
Given two oil According to the standard by Society Automotive
Engineers the oil , by comparing the 5W-30 with the 10W-30,
a. The 5W-30 has lower viscosity than 10W-30 at low
temperature.
O b. The 5W-30 has higher viscosity at the high temperature.
c.
Both of the oils are suitable for cold weather
O d. All of the above are true.
The rate of change of viscosity with temperature is known as viscosity index and high viscosity index means oil will remain the same over a wide range of temperatures,
Select one:
True
False
Chapter 8 Solutions
Bundle: Automotive Technology: A Systems Approach, 6th + LMS Integrated for MindTap Auto Trades Printed Access Card
Ch. 8 - Describe the information found in a VIN.Ch. 8 - Technician A stresses the need to follow the...Ch. 8 - Prob. 3RQCh. 8 - Prob. 4RQCh. 8 - True or False? Legally, an RO protects the shop...Ch. 8 - While examining the color of an engines coolant:...Ch. 8 - While checking the condition of a vehicles ATF:...Ch. 8 - Technician A says that if a drive belt does not...Ch. 8 - List five different types of oil rating systems.Ch. 8 - Technician A says that to accurately check brake...
Ch. 8 - Why should you wipe off the outside of a zerk...Ch. 8 - True or False? All engine coolants contain some...Ch. 8 - List at least five things that should be checked...Ch. 8 - True or False? If brake fluid is dark or brown...Ch. 8 - Which of the following statements about drive belt...Ch. 8 - Prob. 16RQCh. 8 - Which of the following statements about an oils...Ch. 8 - While discussing a vehicles maintenance program:...Ch. 8 - Which of the following is not a true statement...Ch. 8 - True or False? An oil with the classification of...Ch. 8 - While discussing the effects of overtorquing wheel...Ch. 8 - The most commonly used brake fluid in domestic...Ch. 8 - Which of the following greases are best suited for...Ch. 8 - While discussing the special preventive...Ch. 8 - How does a technician determine the proper...
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- When oil pressure is below the spring pressure, the switch opens and the gauge reading falls toward the low-pressure side. Select one: True Falsearrow_forwardChoose correct answer: The compressor is used to increase the pressure of fluid-like air or grease. Select one: True Falsearrow_forwardTechnician A says that it takes about 1 pint of oil to raise the oil level from "add" to "full." Technician B says that it takes about 1 quart to raise it that much. Who is correct? Select one: a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forward
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