a) Assuming no heat transfer, determine: The final temperature: The final pressure: R psia b) if the final pressure were 40.800 psia, determine: The final temperature: The heat transferred: R Btu

Elements Of Electromagnetics
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65.8 lbm of air in a rigid container at 17 psia and 400 R absorbs 3.30028 kW*hr of energy from an electrical resistance heater.
For this problem, account for variable specific heats, but do not interpolate.
a) Assuming no heat transfer, determine:
The final temperature:
The final pressure:
R
psia
b) if the final pressure were 40.800 psia, determine:
The final temperature:
The heat transferred:
R
Btu
Transcribed Image Text:65.8 lbm of air in a rigid container at 17 psia and 400 R absorbs 3.30028 kW*hr of energy from an electrical resistance heater. For this problem, account for variable specific heats, but do not interpolate. a) Assuming no heat transfer, determine: The final temperature: The final pressure: R psia b) if the final pressure were 40.800 psia, determine: The final temperature: The heat transferred: R Btu
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