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 8, Problem 17RQ
Which of the following statements about an oils viscosity is not true?
- The ability of oil to resist flow is its viscosity.
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Define any four different properties of lubricating oil?
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,
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True
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Which of the statement correct?
fluid dynamics and statics examine fluid separately
The effect of application of force in fluids is instantaneous
Hydrodynamics is part of fluid statics
Chapter 8 Solutions
Automotive Technology: A Systems Approach (MindTap Course List)
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- 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.arrow_forwardWhile looking at the results of an oil pressure test: Technician A says that higher than normal readings can be caused by using oil that is too thin. Technician B says that higher than normal readings can be expected on a cold engine. Who is correct? Technician A Technician Both A and B Neither A nor Barrow_forwardProper disposal of oil filters includes. recycling used filters draining them for at least 24 hours crushing them all of the abovearrow_forward
- All of the following statements are correct except? a. Belts are reinforcing materials that encircle the tire under the tread. b. The carcass of a tire is made up of plies, layers of cloth, and rubber. c. Most tread patterns are designed to work well on both wet and dry roads. d. The bead is the decorative pattern at the outer edge of the tread.arrow_forwardWhen discussing oil consumption: Technician A says using one-quart of oil every 2,000 miles is acceptable. Technician B says oil consumption may increase depending on driving conditions. Who is correct? a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forwardWhich of the following statements about latex and nitrile gloves is not true? The gloves offer protection against cuts. The gloves offer protection against disease and grease buildup under and around your fingernails. Latex gloves are more comfortable but weaken when they are exposed to gas, oil, and solvents. Nitrile gloves are not as comfortable but they are not affected by gas, oil, and solvents.arrow_forward
- 4q Identify the property of lubricant, in which the oil blocks the circulation pipe due to the presence of oxygen at higher temperatures. Viscosity Oxidation Stability Viscosity Indexarrow_forwardWhich is not true about viscosity? Viscosity is an intensive property A fluid at rest has zero shear stress Viscosity is sometimes referred to as fluidity Viscosity can be dependent on temperature Deformation of fluids halts at a fixed strain rate Immersed object in fluid are not restricted by its relative motion Viscosity is a property that represents the internal resistance of a fluid to motionarrow_forwardWhat happens to an object's motion when the forces are balanced? Group of answer choices The object will accelerate. The object could be at rest or moving at a constant velocity. The object MUST be moving at a constant velocity. The object MUST be at rest. What is the correct choisearrow_forward
- Tire manufacturers recommend that you check your tire pressure monthly to avoid unnecessary tire wear and enhance safety. This is best done when the tires are cold meaning; the car has not been driven for at least 2 hours. Since you leave for work before the sun comes up you decide to inflate your tires to the recommended pressure right after you get home from work in the afternoon when the tires are still warm. What would you find if you rechecked your tire pressure after the tires have cooled down? A.Tire pressure has decreased because there is a decrease in kinetic energy of themolecules resulting in more collisions with the inside walls of the tire thusincreasing the pressure inside the tire. B.Tire pressure has increased because there is a decrease in kinetic energy of the molecules resulting in fewer collisions with the inside walls of the tire thus decreasing the pressure inside the tire. C.Tire pressure has increased because there is an increase in kinetic energy of the…arrow_forward4)Exceptional gases are an example of ________________________ type of lubricant: Liquid Gaseous Solid Semi-solidarrow_forwardi) rank 20w-50, 5w- 30 and 10w-30 motor oils in terms of increasing viscosity ii)List three (3) ways in which the accuracy of results could be improved in a viscosity experimentarrow_forward
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