1. An R22 standard refrigerating cycle operates at an evaporator pressure of 367.01 kPa and a condensing pressure of 1833.45 kPa. It is desired to increase the evaporator pressure from 367.01 to 602.28 kPa. Determine For 367.01 kPa Evaporator (a) temperature and degree superheat leaving the compressor (b) mass of vapor entering evaporator (c) evaporator load (d) condenser load (e) work on the compressor (f) coefficient of performance For 602.28 kPa Evaporator (g) temperature and degree superheat leaving the compressor (h) mass of vapor entering evaporator (i) evaporator load G) condenser load (k) work on the compressor (1) coefficient of performance Show the effects of increasing evaporator pressure (m) condenser load per ton of refrigeration (n) work on compressor per ton of refrigeration (0) mass flow rate of refrigerant per ton of refrigeration (p) volume capacity of compressor per ton of refrigeration 18 answers

1. An R22 standard refrigerating cycle operates at an evaporator pressure of 367.01 kPa and a condensing pressure of 1833.45 kPa. It is desired to increase the evaporator pressure from 367.01 to 602.28 kPa. Determine For 367.01 kPa Evaporator (a) temperature and degree superheat leaving the compressor (b) mass of vapor entering evaporator (c) evaporator load (d) condenser load (e) work on the compressor (f) coefficient of performance For 602.28 kPa Evaporator (g) temperature and degree superheat leaving the compressor (h) mass of vapor entering evaporator (i) evaporator load G) condenser load (k) work on the compressor (1) coefficient of performance Show the effects of increasing evaporator pressure (m) condenser load per ton of refrigeration (n) work on compressor per ton of refrigeration (0) mass flow rate of refrigerant per ton of refrigeration (p) volume capacity of compressor per ton of refrigeration 18 answers

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter41: Troubleshooting

Section: Chapter Questions

Problem 8RQ: When the outside ambient air temperature is 90F, the temperature of the condensing refrigerant in a...

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When the outside ambient air temperature is 90F, the temperature of the condensing refrigerant in a standard- efficiency unit should be approximately A. 120F. B. 130F. C. 140F. D. 150F.
Condensers in these refrigerators are all_______cooled.
The defrost cycle in a domestic refrigerator may be terminated by two methods: ___and___.
The operating condition for the single compressor in a household refrigerator is the lowest box temperature, which is typically A. 0F B. -20F C. 20F D. 40F
Refrigerators currently being manufactured in the United States are using______as their refrigerant.
Using Refrigeration 22 Table: PROPERTIES OF LIQUID AND SATURATED VAPOR An R22 standard refrigerating cycle operates at an evaporator pressure of 367.01 kPa and a condensing pressureof 1833.45 kPa. It is desired to increase the evaporator pressure from 367.01 to 602.28 kPa. DetermineFor 367.01 kPa Evaporator(a) temperature and degree superheat leaving the compressor(b) mass of vapor entering the evaporator(c) evaporator load(d) condenser load(e) work on the compressor(f) coefficient of performanceFor 602.28 kPa Evaporator(g) temperature and degree superheat leaving the compressor(h) mass of vapor entering evaporator 18 answers(i) evaporator load(j) condenser load(k) work on the compressor(l) coefficient of performanceShow the effects of increasing evaporator pressure(m) condenser load per ton of refrigeration(n) work on compressor per ton of refrigeration(o) mass flow rate of refrigerant per ton of refrigeration(p) volume capacity of compressor per ton of refrigeration R22 standard…
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A vapor-compression refrigeration cycle operates at steady state with Refrigerant 134a as the working fluid. Saturated vapor enters the compressor at 2 bar, and saturated liquid exits the condenser at 8 bar. The isentropic compressor efficiency is 80 %. The mass flow rate of refrigerant is 7 kg/min. Sketch the process on a T-s diagram and determine; the compressor power, in kW the refrigeration capacity, in tons the coefficient of performance.
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