8.1 The execution of a cyclic process by a closed system involves the following four heat interactions: Q, Q.=-40 kcal. Concurrently, four work in- teractions occur during the cyclic process: Wi = 200, Wa = -124, W, 100, W. = ? kJ. Find (a) the fourth work W, and (b) the efficiency e. (c) What are AU and AS for this cyclic process? 50, Q2 = -75, Q, - 125, %3D %3D %3D

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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SI UNITS
8.1 The execution of a cyclic process by a
closed system involves the following four heat
interactions: Q%3=
Q.=-40 kcal. Concurrently, four work in-
teractions occur during the cyclic process:
W 200, Wa =-124, W, 100, W.*
? kJ. Find (a) the fourth work W, and (b) the
efficiency e. (c) What are AU and AS for this
cyclic process?
50, Q2 = -75, Q, 125,
%3D
%3D
Ans. (a) 75 kJ, (b), 34.26%, (c) 0.
Transcribed Image Text:SI UNITS 8.1 The execution of a cyclic process by a closed system involves the following four heat interactions: Q%3= Q.=-40 kcal. Concurrently, four work in- teractions occur during the cyclic process: W 200, Wa =-124, W, 100, W.* ? kJ. Find (a) the fourth work W, and (b) the efficiency e. (c) What are AU and AS for this cyclic process? 50, Q2 = -75, Q, 125, %3D %3D Ans. (a) 75 kJ, (b), 34.26%, (c) 0.
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