He gas undergoes adiabatic expansion at P1 = 8 bar, T1 = 750K to T2 = 400K. Then, the gas is heated at constant P back to T3 = 750K. If the process is to be replaced by a single isothermal expansion step to an arbitrary pressure P, what value of P (in bar) will result to the same work as the original process? Assume helium is an ideal gas with constant heat capacity. a.1.56 b.0.90 c.2.49 d.1.66
He gas undergoes adiabatic expansion at P1 = 8 bar, T1 = 750K to T2 = 400K. Then, the gas is heated at constant P back to T3 = 750K. If the process is to be replaced by a single isothermal expansion step to an arbitrary pressure P, what value of P (in bar) will result to the same work as the original process? Assume helium is an ideal gas with constant heat capacity. a.1.56 b.0.90 c.2.49 d.1.66
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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He gas undergoes adiabatic expansion at P1 = 8 bar, T1 = 750K to T2 = 400K. Then, the gas is heated at constant P back to T3 = 750K. If the process is to be replaced by a single isothermal expansion step to an arbitrary pressure P, what value of P (in bar) will result to the same work as the original process? Assume helium is an ideal gas with constant heat capacity.
a.1.56
b.0.90
c.2.49
d.1.66
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