Q1) A- A Rankine eyele operates between pressures of 60 bar and 60 kPa. The maximum eyele temperature is 580°C. If the steam turbine efficiency is 0.96, calculate the specific work and thermal efficiency. B- In a steam power eyele, the steam supply is at 20 bar and dry and saturated. The condenser pressure is 0.1 bar. Calculate the Carnot and Rankine efficiencies of the cycle. Q2) A- An air standard Otto cycle has a compression ratio of 8, the lowest cycle pressure of 0.1 MPa and operates between temperature limits of 30°C and 1400 C. Calculate the eyele efficiency and the temperature and pressure after the isentropic expansion. B- The efficiency of an Otto eyele is 55%. What is the compression ratio?

Q1) A- A Rankine eyele operates between pressures of 60 bar and 60 kPa. The maximum eyele temperature is 580°C. If the steam turbine efficiency is 0.96, calculate the specific work and thermal efficiency. B- In a steam power eyele, the steam supply is at 20 bar and dry and saturated. The condenser pressure is 0.1 bar. Calculate the Carnot and Rankine efficiencies of the cycle. Q2) A- An air standard Otto cycle has a compression ratio of 8, the lowest cycle pressure of 0.1 MPa and operates between temperature limits of 30°C and 1400 C. Calculate the eyele efficiency and the temperature and pressure after the isentropic expansion. B- The efficiency of an Otto eyele is 55%. What is the compression ratio?

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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