What is the value of the refrigeration effect in the following arrang – McqOptions

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1.	What is the value of the refrigeration effect in the following arrangement?
A.	m1 – m2 – m3 (h2 – h1)
B.	m1 + m2 + m3 (h4 – h1)
C.	m1 + m2 + m3 (h1 – h4)
D.	m1 + m2 – m3 (h4 – h1)
Answer» D. m1 + m2 – m3 (h4 – h1)

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