Piston-cylinder device contains 5 kg of steam. The steam undergoes an internal energy change of 40 kJ/kg. During that process, paddle wheel work of -50 kJ is done. Determine the amount of boundary work if the system is adiabatic? a) 250 kJ b) 150 kJ c) -90 kJ d) -150 kJ e) 90 kJ

Piston-cylinder device contains 5 kg of steam. The steam undergoes an internal energy change of 40 kJ/kg. During that process, paddle wheel work of -50 kJ is done. Determine the amount of boundary work if the system is adiabatic? a) 250 kJ b) 150 kJ c) -90 kJ d) -150 kJ e) 90 kJ

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter2: Matter And Energy

Section: Chapter Questions

Problem 21RQ

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Concept explainers

Slope and Deflection

The slope in a deflected beam is described as an angle in radians made by the tangent of the section with the original axis of the beam. The deflection at any point on the axis of the beam is defined as the lateral displacement of the point before and after loading.

Question

a) 250 kJ

b) 150 kJ

c) -90 kJ

d) -150 kJ

e) 90 kJ

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