An ideal gas has a gas constant of 319.8 Nm and a gas ratio of 1.26. Calculate kg K the heat rejected per kg of gas: A. when the gas is contained in a rigid vessel at 3 bar and 315°C and then cooled until the pressure falls to 1.5 bar. B. when the gas enters a pipeline at 280°C and flows steadily at constant pressure to the end of the pipe where the temperature is 20°C.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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NOTE: Complete solution and show the derivation/cancellation of units.
N m
An ideal gas has a gas constant of 319.8
kg K
and a gas ratio of 1.26. Calculate
the heat rejected per kg of gas:
A. when the gas is contained in a rigid vessel at 3 bar and 315°C and then
cooled until the pressure falls to 1.5 bar.
B. when the gas enters a pipeline at 280°C and flows steadily at constant
pressure to the end of the pipe where the temperature is 20°C.
Transcribed Image Text:NOTE: Complete solution and show the derivation/cancellation of units. N m An ideal gas has a gas constant of 319.8 kg K and a gas ratio of 1.26. Calculate the heat rejected per kg of gas: A. when the gas is contained in a rigid vessel at 3 bar and 315°C and then cooled until the pressure falls to 1.5 bar. B. when the gas enters a pipeline at 280°C and flows steadily at constant pressure to the end of the pipe where the temperature is 20°C.
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