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A heat pump operates with Qin = 100kJ and Qout=250kJ. The cycle work is |
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- 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. 40Fa refrigeration system operates on the reversed carnot cycle. the highest temperature of the system is 49 °C and the lower temperature is -12 °C, the capacity is 20 tons. Determine the power input.Solve ASAP, A cycle heat engine does 50 kJ of work per cycle If the efficiency of the heat engine is 75%. Calculate the heat rejected per cycle.
- An ideal refrigeration cycle is used as an air conditioning system. The interior of the room must be kept at 20°C during summer, rejecting heat to the surroundings at 36°C. The power draw of the compressor is 2.5 kW. Determine:a) The heat inputb) The heat outputA cycle has a qin=350Btu/lbm, and a thermal efficiency of 74%. In this case, the expected heat rejected qout is most likely: 320 Btu/lbm 90 Btu/lbm 350 Btu/lbm 260 Btu/lbmRefrigeration is desired at a Temperature of -5.6°C (minus 5.6 degrees C). Heat is rejected at atemperature of 36.7°C (36.7 degrees C). Using the Carnot Cycle, determine the coefficient ofperformance (COP), for both as a refrigeration and as a heat pump.MUST show all steps. MUST show units in each step.
- A heat engine operates on the Carnot cycle. It produces 50 kW of power while operating between temperature limits of 800°C. Determine the engine efficiency and the amount of heat added.A heat engine using lake water at 12oC as source and the surrounding atmosphere at 2oC as sink executes 1080 cycles per min. If amount of heat supplied per cycle is 57 J, what is the output of the engine?The first of the two heat pumps operating on the reverse Carnot cycle 0between 0C and 22oC, and the second between -18oC and 22oCis working. Find the percentage increase between the compressor powers since both are heating at the same value.