PROCESS 4 - 1Rate of heat extracted (Q̇)Q̇ = ṁ(H1 – H4)CALCULATION:Given:ṁ = 0.2 kg/s, h1 = 237 kJ/kg, h4 = 95.5 kJ/kgRate of heat extracted (Q̇)Q̇ = ṁ(h1 – h4)Q̇ = 0.2 × (237 – 95.5) = 28.3 kJ/s = 28.3 kW