Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
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Textbook Question
Chapter 21, Problem 4RQ
What determines the pressure on the low-pressure side of the system?
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Chapter 21 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 21 - What is the function of the evaporator in the...Ch. 21 - Refrigerant in the evaporator A. changes from...Ch. 21 - The sensible heat that is added to a saturated...Ch. 21 - What determines the pressure on the low-pressure...Ch. 21 - A refrigerant system's evaporator typically runs...Ch. 21 - What does a high evaporator superheat indicate?Ch. 21 - A low evaporator superheat indicates A....Ch. 21 - Why is a multicircuit evaporator used?Ch. 21 - Flooded evaporators use a(n) ______type of...Ch. 21 - An evaporator that is not flooded is thought of as...
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- The function of the evaporator pressure regulator is to A. maintain a constant evaporator pressure. B. prevent a minimum pressure in the evaporator. C. maintain a constant evaporator temperature. D. prevent a maximum pressure in the evaporator.arrow_forwardWhy does the high-pressure gauge on a regulator not always indicate the amount of gas in the cylinder?arrow_forwardChoose the correct answer The discharge pressure of a refrigerant should be as constant as possible The discharge pressure of a refrigerant should be as low as possible The discharge pressure of a refrigerant should be as high as possiblearrow_forward
- Which 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_forwardWhat is the purpose of a pressure regulator?arrow_forwardWhat may result if a pressure regulator is not used on the type of gas or pressure range for which it was designed?arrow_forward
- What is the advantage of using an injector-type mixing chamber?arrow_forwardHow is the refrigerant cylinder pressure kept above the system pressure when a system is being charged with vapor from a cylinder?arrow_forwardWhy must nitrogen be used only with a regulator when it is charged into a system?arrow_forward
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