The efficiency of an ideal heat engine working between the freezing point and boiling point of water is (a) 6.25% (b) 20% (c) 26.8% (d) 12.5 %
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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.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. 40FWhy heat engines are intentionally equated at high temperatures?
- Enumerate the four processes comprised in the cycle of a typical heat engineRefrigerator 1 simulates an ideal refrigerator and therefore operates on a Carnot cycle using R-134a as the refrigerant at a flow rate of 1.4 kg/sec. The condensing and evaporating temperatures are 30 °C and -10 °C, respectively. To assess the performance of Refrigerator 1, you must submit the report. of the project with the following information: d) The work generated by the turbine; e) The condenser heat rejection rate (Q H); f) The coefficient of performance of the cycle.What are the practical limitations to maximum work being able to be done from an engine when all the processes ard reversible.
- Refrigerator 1 simulates an ideal refrigerator and therefore operates on a Carnot cycle using R-134a as the refrigerant at a flow rate of 1.4 kg/sec. The condensing and evaporating temperatures are 30 °C and -10 °C, respectively. To assess the performance of Refrigerator 1, you must submit the report. of the project with the following information: Enthalpies corresponding to the states indicated in the cycle (1, 2, 3 and 4); 1.a. The cooling rate (QL); 1.b. The work provided to the fluid by the compressor; 1.c. The work generated by the turbine; 1.d. The condenser heat rejection rate (QH); 1e. The coefficient of performance of the cycle;Refrigerator 1 simulates an ideal refrigerator and therefore operates on a Carnot cycle using R-134a as the refrigerant at a flow rate of 1.4 kg/sec. The condensing and evaporating temperatures are 30 °C and -10 °C, respectively. To assess the performance of Refrigerator 1, you must submit the report. of the project with the following information: Enthalpies corresponding to the states indicated in the cycle (1, 2, 3 and 4); 1.a. The cooling rate (QL);Response 1.b. The work provided to the fluid by the compressor;Response 1.c. The work generated by the turbine;Response 1.d. The condenser heat rejection rate (QH);Response 1 and. The coefficient of performance of the cycle;ResponseCompare the thermal efficiency of a two-stage gas turbine with regeneration, reheating, and intercooling to that of a three-stage gas turbine with the same equipment when all components operate ideally.
- Compare the thermal efficiency of a two-stage gas turbine with regeneration, reheating, and intercooling to that of a three-stage gas turbine with the same equipment when the maximum cycle temperature is 800°C.Question: By illustrating how the heat engines work in a cycle, summarize the Carnot engine cycle operating principles and give an example by using the Carnot cycle principles.for a thermodynamic work cycle that uses two turbines consisting of a (low pressure turbine) and (high pressure turbine), make a schematic of a WATER PIPE steam generator that can be used.