Mindtap For Erjavec/thompson's Automotive Technology: A Systems Approach, 4 Terms Printed Access Card (mindtap Course List)
7th Edition
ISBN: 9781337794381
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Chapter 8, Problem 4TF
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
Mindtap For Erjavec/thompson's Automotive Technology: A Systems Approach, 4 Terms Printed Access Card (mindtap Course List)
Ch. 8 - Describe the information found in a VIN.Ch. 8 - List five different types of oil rating systems.Ch. 8 - Why should you wipe off the outside of a zerk...Ch. 8 - List at least five things that should be checked...Ch. 8 - How does a technician determine the proper...Ch. 8 - Explain the purpose of a repair order and describe...Ch. 8 - True or False? Legally, an RO protects the shop...Ch. 8 - True or False? If brake fluid is discolored, the...Ch. 8 - Prob. 3TFCh. 8 - True or False? An oil with the classification of...
Ch. 8 - Technician A stresses the need to follow the...Ch. 8 - Prob. 2MCCh. 8 - Prob. 3MCCh. 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 - Technician A says that to accurately check brake...Ch. 8 - Which of the following statements about drive belt...Ch. 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 - 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...
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