What is the total mass of refrigerant flowing through the compressor if the masses flowing through each evaporator are m1, m2, and m3?

What is the total mass of refrigerant flowing through the compressor if the masses flowing through each evaporator are m1, m2, and m3? Correct Answer m1 + m2 + m3

m1 is the mass flowing through EP1 i.e. first evaporator, which is given by 210 Q1 / h1 – h4 m2 is the mass flowing through EP2 i.e., the second evaporator, which is given by 210 Q2 / h1 – h4 m3 is the mass flowing through EP3 i.e., the third evaporator, which is given by 210 Q3 / h1 – h4 As the evaporators are connected in such a way that masses get converged and then enter into the compressor. So, mass flowing through the compressor will be the summation of masses flowing through each evaporator. Mass of refrigerant flowing through compressor, m = m1 + m2 + m3.
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