Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN: 9781133612315
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Chapter 14, Problem 2RQ
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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True or False? Oil pressure is determined bywhether the pump is a gear type or rotor typeand by oil clearances, the pump’s pressure regulator valve, and oil viscosity.
For a hydraulic power unit, this part protects the pump from taking in any harmful particles that may be in the reservoir
a. liquid level gauge
b. filler/breather
c. pressure gauge
d. suction strainer
Technician A says that excessively high pressure from an electric fuel pump can be caused by a faulty pressure regulator. Technician B says that the typical problem may be an obstructed return line. Who is correct?
Chapter 14 Solutions
Automotive Technology: A Systems Approach (MindTap Course List)
Ch. 14 - What is the most efficient way to increase a...Ch. 14 - True or False? Oil pressure is determined by...Ch. 14 - Describe the simple test used to determine whether...Ch. 14 - Which of the following is a function of the...Ch. 14 - What is ECD and what can result from it?Ch. 14 - True or False? To eliminate the drain of engine...Ch. 14 - For every pound of pressure put on engine coolant,...Ch. 14 - Which is not a typical method of driving the water...Ch. 14 - Which of the following is not an effective way to...Ch. 14 - Explain why a pressure relief valve is needed in...
Ch. 14 - List five problems that can be caused by engine...Ch. 14 - Cooling system hoses should be replaced when they...Ch. 14 - True or False? The presence of air in the cooling...Ch. 14 - Which of the following is not a true statement...Ch. 14 - Describe the procedure for using air bleed valves...Ch. 14 - Technician A uses a feeler gauge and straightedge...Ch. 14 - Technician A says that excessive engine oil...Ch. 14 - While checking for conditions that might cause...Ch. 14 - When installing an oil pump in an engine...Ch. 14 - Technician A says that if the PCV valve or...Ch. 14 - While bleeding air from a cooling system:...Ch. 14 - While diagnosing an engine that overheats after...Ch. 14 - While performing a cooling system service on a...Ch. 14 - While discussing the causes of extreme engine...Ch. 14 - While diagnosing the cause of air bubbles in the...
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- Which is not a pressure or force acting on a TXV diaphragm? A. Head pressure B. Evaporator pressure C. Spring pressure D. Bulb pressurearrow_forwardTrue or False: All gas valves snap open and closed.arrow_forwardTechnician 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 Barrow_forward
- A one-pipe system may be used when the oil tank is higher or lower than the oil pump. True or false.arrow_forwardPressure readings reveal possible problems in which of the following? a. Oil pump b. Governor c. Apply circuits d. All of the abovearrow_forwardTrue or False: City water does not contain air.arrow_forward
- What will happen if the float in an oil separator collapses?arrow_forwardTrue or False? Fuel pressure typically is at its highest level when vacuum is applied to the pressure regulator.arrow_forwardWhich is not a pressure or force acting on a TXV diaphragm?A. Head pressureB. Evaporator pressureC. Spring pressureD. Bulb pressurearrow_forward
- True or false As fluids flow through pipes energy is lost due to friction which produces a pressure differentialarrow_forwardOn the low-pressure side of a double diaphragm seal system, the transmitter measures a pressure of 108 in. WC when the tank is empty. Which process should you apply before measuring on the high-pressure side? Low water level cutoff Ratholing Zero suppression Blowdownarrow_forwardWhich of the following statements is not true? A direct acting PRV: Is complex in construction, therefore can malfunction if a very small dirt gets trapped inside the valve, which may result in safety hazard Offers uneven flow Does not provide precise pressure control Causes more wastage of HP compared to a compound one Which of the following basic system components has the primary function of removing the heat of compression from the air? Receiver Relief valve Pressure regulator Dryer Aftercooler Which of the following statements is true? A single acting cylinder may have two ports at two different ends and pressurized fluid can be directed to both of them A single acting cylinder with two ports will can be used as a double acting cylinder A single acting cylinder may have two ports at two different ends but into only one of the ports pressurized fluid is being directed A single acting cylinder…arrow_forward
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