Maurice Tutor

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Teaching Since: May 2017
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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 17 Sep 2017 My Price 5.00

refrigeration unit

Code the following Engineering problems in python to get the solution:
Problem 1.) A refrigeration unit is cooling a space to -5°C by rejecting energy to the atmosphere
at 20°C. It is desired to reduce the temperature in the refrigerated space to -25°C. Calculate the minimum percentage increase in work required, by assuming a Carnot refrigerator, for the same amount of energy removed.
Problem 2.) Air is contained in an insulated, rigid volume at 20°C and 200 kPa. A paddle
wheel, inserted in the volume, does 720 kJ of work on the air. If the volume is
2m3, calculate the entropy increase assuming constant specific heats.
Problem 3.) After a combustion process in a cylinder the pressure is 1200 kPa and the temperature
is 350°C. The gases are expanded to 140 kPa with a reversible adiabatic process. Calculate the work done by the gases, assuming they can be approximated by air with constant specific heats.

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Maurice Tutor
(5)
Status NEW Posted 17 Sep 2017 08:09 AM My Price 5.00

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