Consider a simple ideal Rankine cycle with fixed boiler and condenser pressures.. If the steam is superheated to a higher temperature, (select the correct statement) the turbine work output will decrease. the amount of heat rejected will decrease. the cycle efficiency will decrease. the moisture content at turbine exit will increase. the amount of heat input will increase.

Consider a simple ideal Rankine cycle with fixed boiler and condenser pressures.. If the steam is superheated to a higher temperature, (select the correct statement) the turbine work output will decrease. the amount of heat rejected will decrease. the cycle efficiency will decrease. the moisture content at turbine exit will increase. the amount of heat input will increase.

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

See similar textbooks

Similar questions

Water enters the turbine of an ideal Rankine cycle as superheated vapor at 10 MPa and 600°C. If the condenser pressure is 10 kPa, Calculate the thermal efficiency of the system.
A simple ideal Rankine cycle using water as a working fluid has a condenser temperature of 70 ° C and a boiler temperature of 250 ° C. What will be the thermal efficiency of the cycle as the steam enters the turbine as saturated steam?
An ideal Rankine cycle with double reheat operates the boiler at 12MPa, the reheater at 5 MPa and 2.0 MPa, and the condenser at 0.01 MPa. The temperature at the boiler and reheater outlets are maintained at 400°C. a) Determine the total rate of heat transfer per unit mass in the reheaters, andb) the thermal efficiency of this cycle.
An ideal Rankine cycle operates between a steam boiler pressure of 18 MPa and a condenser temperature of 42 °C. The steam leaving the boiler is a saturated vapor. The net power generated by the cycle is 150 MW. What is the mass flow rate of steam? What is the cycle efficiency? Use the formula: n=Wnet/Qin.
Consider a steam power plant that operates on the ideal reheat Rankine cycle. The plant maintains the boiler at 5000 kPa, the reheat section at 1200 kPa, and the condenser at 20 kPa. The mixture quality at the exit of both turbines is 96 percent. Determine the temperature at the inlet of each turbine and the cycle's thermal efficiency. Answers: 327°C, 481°C, 35.0 percent.
A steam power plant operates on the ideal Rankine cycle principle (see installation schematic and T-s diagram below). Water vapor enters the turbine at 15 MPa and 500°C and is condensed at a condenser pressure of 10 kPa. Calculate the thermal efficiency of the cycle.
A simple ideal Rankine cycle which uses water as the working fluid operates its condenser at 40C and its boiler at 300C. The steam enters the turbine without any superheating. Determine the thermal efficiency
Refrigerant-134a is used as the working fluid in a simple ideal Rankine cycle which operates the boiler at 2000 kPa and the condenser at 24C. The mixture at the exit of the turbine has a quality of 93 percent. Determine the turbine inlet temperature, the cycle thermal efficiency, and the back-work ratio of this cycle.
An ideal reheat 210 MW Rankine cycle with water as the working fluid operates the boiler at 15 MPa, the reheater at 2 MPa, and the condenser at 10 kPa. The temperature is 500 0C at the entrance of the high-pressure and low-pressure turbines. Determine (a) the quality of the steam at the low-pressure turbine exit, (b) the thermal efficiency of this system, and (c) the rate of heat transfer in the reheater.
The mass flow rate of steam is 5 kg/s for a Rankine Cycle. For the actual cycle, the turbine efficiency is 86%, turbine brake efficiency is 80%, and generator efficiency=90%. The inlet conditions of the turbine are 3MPa and 400⁰C while the condensing pressure is 50kPa. a. Sketch the P-v, T-s and h-s diagram of the Cycle b. Calculate for the ideal and actual steam rates and heat rates of the Rankine Cycle and Rankine Engine, respectively. c. Determine the energy chargeable and combine thermal efficiencies for the Rankine Cycle and Rankine engine, respectively
A simple Rankine cycle with ideal components except the turbine is shown. Boiler exit temperature and pressure are 500°C and 4 MPa, respectively. Condenser pressure is 30 kPa. The isentropic efficiency of the turbine is 80% and the power generated by the turbine is 8 MW. Calculate the mass flow rate of the steam in kg/s.
A solar-energy-powered ideal Rankine cycle uses water as the working fluid. Saturated vapour leaves the solar collector at 170°C, and the condenser pressure is 10 kPa. Determine the thermal efficiency of this cycle.