Problem:1. The turbine work and the pump work in a Rankine cycle are 1200 kJ/kg and 20 kJ/kg respectively. What is the efficiency ofthe cycle if the heat generated by the generator is 3000 kJ/kg ?2. In a Ideal Rankine cycle, the steam throttle condition is 4.10 MPa and 440 °C. If turbine exhaust is 0.105MPa, determinethe steam rate in kg/kW-Hr. Draw the Ts diagram.3. Steam is the working fluid in an ideal Rankine cycle. Saturated vapor enters the turbine at 9 MPa and saturated liquid exitsthe condenser at 0.009 MPa. The net power output of the cycle is 100 MW. Determine the mass flow rate of steam in kg/s.Draw the Ts diagram.4. in an ideal Rankine cycle, water is the working fluid. Saturated vapor enters the turbine at 6.9 MPa. The condenser pressureis 6.9 kPa. Determine (a) the net work per unit mass of steam flow in kJ/kg, (b) the heat transfer to the steam passingthrough the boiler in kJ/kg. Draw the schematic and Ts diagram.5. Consider a steam power plant operating on the ideal Rankine cycle. The steam enters the turbine at 5 MPa, 350 °C and iscondensed in the condenser at a pressure of 15 kPa. Determine the thermal efficiency of the cycle if the steam weresuperheated to 750 °C. Draw the schematic and Ts diagram.

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Answered: 1. The turbine work and the pump work…

1. The turbine work and the pump work in a Rankine cycle are 1200 kJ/kg and 20 kJ/kg respectively. What is the efficiency of the cycle if the heat generated by the generator is 3000 kJ/kg ?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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