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 9, Problem 5ASRQ
While 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
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Chapter 9 Solutions
Automotive Technology: A Systems Approach (MindTap Course List)
Ch. 9 - Prob. 1RQCh. 9 - Describe what takes place during the four strokes...Ch. 9 - As an engines compression ratio increases, what...Ch. 9 - What test can be performed to check the efficiency...Ch. 9 - Describe tappet noise.Ch. 9 - Which of the following statements about engines is...Ch. 9 - Which stroke in the four-stroke cycle begins as...Ch. 9 - True or False? In an HCCI engine, combustion...Ch. 9 - Which of the following is not a true statement...Ch. 9 - True or False? SAE mandates that engine, when...
Ch. 9 - Technician A says head gasket thickness has an...Ch. 9 - Prob. 12RQCh. 9 - The stroke of an engine is the crank throw half...Ch. 9 - True or False? The camshaft is always located in...Ch. 9 - Which of the following is an expression of how...Ch. 9 - While diagnosing the cause for blue smoke from the...Ch. 9 - Prob. 2ASRQCh. 9 - While determining the cause for air leaking out of...Ch. 9 - While diagnosing the cause for an engine having...Ch. 9 - While looking at the results of an oil pressure...Ch. 9 - A vehicle is producing a sharp, metallic rapping...Ch. 9 - While conducting an engine vacuum test; Technician...Ch. 9 - While determining the most likely problem of an...Ch. 9 - When a customer states that black exhaust smoke is...Ch. 9 - Technician A says that if an engine had good...
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When conducting an oil pressure test: Technician A says that lower than normal pressure can be caused by faulty piston oil rings. Technician B says that lower than normal oil pressure can be caused by excessive engine bearing clearances. Who is correct? Technician A Both A and B Technician B Neither A nor B
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Which of the following is not an effective way to determine if an engine has an internal coolant leak? Performing a pressure test on the system Visually inspecting the exhaust, coolant, and engine oil Using a dye penetrant and black light Using a combustion leak tester
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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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While discussing the results of an oil pressure test: Technician A says that when the fluid pressures are high, internal leaks, a clogged filter, low oil pump out put, or a faulty pressure regulator valve are indicated. Technician B says that if the fluid pressure increased at the wrong time, an internal leak at the servo or clutch seal is indicated. Who is correct? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor B
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While discussing the causes of extreme engine bearing damage Technician A says that contaminated and old engine oil could be the cause. Technician B says that a leaking radiator could be the cause. Who is correct? Technician A Technician B Both A and B Neither A nor B
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True or False? A compression gauge will show the amount of air leaking through a cylinder as a percentage.
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When 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 B
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While determining the cause for air leaking out of the oil throttle body during a cylinder leakage test: Technician A says that a burnt intake valve is indicated. Technician B says that a warped cylinder head or bad head gasket is indicated. Who is correct? Technician A Technician B Both A and B d. Neither A nor B
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Technician A says an engine may use one or more valve springs per valve. Technician B says additional valve springs are used to control vibration and increase total pressure. Who is correct? a. Technician A b. Technician B c. Both A and B d. Neither A nor B
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True or False? Oil pressure is determined by whether the pump is a gear type or rotor type and by oil clearances, the pumps pressure regulator valve, and oil viscosity.
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Technician A uses a feeler gauge and straightedge to determine the pump cover flatness. Technician B uses an outside micrometer to measure the diameter and thickness of the outer rotor. Who is correct? Technician A Technician B Both A and B Neither A nor B
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While diagnosing the cause of air bubbles in the coolant recovery tank: Technician A checks for a bad head gasket. Technician B checks the radiator cap. Who is correct? Technician A Technician B Both A and B Neither A nor B
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