QUESTION 16 Which of the following are true for the limitations and impracticalities of the turbine of the Carnot vapour cycle? □ a. Difficulty in designing a compressor that handles two phases. b. Limitation of the thermal efficiencies due to operation temperature. □c. Difficulty in accomplishing a working fluid in a single phase at a high temperature. d. Limitation in reaching a suitable maximum temperature. □e. Difficulty in controlling the condensation process to desired quality at pump inlet. Of. Incident of wear and corrosion on device blades. Og. The challenge of device that can handle steam with high moisture content.

QUESTION 16 Which of the following are true for the limitations and impracticalities of the turbine of the Carnot vapour cycle? □ a. Difficulty in designing a compressor that handles two phases. b. Limitation of the thermal efficiencies due to operation temperature. □c. Difficulty in accomplishing a working fluid in a single phase at a high temperature. d. Limitation in reaching a suitable maximum temperature. □e. Difficulty in controlling the condensation process to desired quality at pump inlet. Of. Incident of wear and corrosion on device blades. Og. The challenge of device that can handle steam with high moisture content.

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

Chapter45: Domestic Refrigerators And Freezers

Section: Chapter Questions

Problem 20RQ: Welded ______sealed compressors are normally used in household refrigerators.

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Which of the following are true for the limitations and impracticalities of the turbine of the Carnot vapour cycle? a. Difficulty in designing a compressor that handles two phases. b. Limitation of the thermal efficiencies due to operation temperature. c. Difficulty in accomplishing a working fluid in a single phase at a high temperature. d. Limitation in reaching a suitable maximum temperature. e. Difficulty in controlling the condensation process to desired quality at pump inlet. f. Incident of wear and corrosion on device blades. g. The challenge of device that can handle steam with high moisture content.
A 330 MW steam power plant operates according to the simple ideal Rankine cycle. Water vapor enters the turbine at a pressure of 10 MPa and a temperature of 525 ° C and expands to a condenser pressure of 15 kPa. Show the cycle in a T-s diagram with the saturated liquid and saturated vapor curves and calcualte the; a)The degree of dryness of the steam at the turbine outlet. b)Thermal efficiency of the cycle. c)The mass flow of water vapor circulating in the cycle.
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Steam enters the turbine of a power plant operating on the Rankine cycle (Fig. 2) at 873.15 Kand exhausts at 30 kPa. To show the effect of boiler pressure on the performance of the cycle,calculate the thermal efficiency of the cycle and the quality of the exhaust steam from theturbine for boiler pressures of 5000,7500, and 10 000 kPa. #Chemical Engineering #Chemical #Thermodynamics
The thermal efficiency of the cycle.Notes: Assume the steam is reheated to the inlet temperature of the high-pressure turbine. The moisture content of the steam at the exit of the low-pressure turbine is not to exceed 9.5%
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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 all components operate ideally.
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A Freon 12 vapour compression system operating at a condenser temperature of 45Co and an evaporator temperature of 0Co develops 20 tons of refrigeration. Using the p-h diagram for Freon 12, determine; (15) a) The mass flow rate of the refrigerant circulated. b) The heat rejected in the condenser, and c) The Carnot COP and the actual COP of the cycle.