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Determine

(a) mass flow rate of steam through the mains in kg/s

[Answer = 3.04 kg/s]

(b) temperature of steam after throttling

[Answer = 115.1ºC]

(c) temperature of water in the tank after receiving 5kg blown steam

[Answer = 48.54ºC]

STEAM TABLES Extract (Use for solution)

P = 0.12MN/m² , Saturation Temperature = 104.8ºC, hf = 439.4kJ/kg, hfg = 2244.1kJ/kg, Specific volume = 1.478 m³/kg

P = 1.25MN/m² , Saturation Temperature = 189.8ºC, hf = 806.7kJ/kg, hfg = 1977.4kJ/kg, Specific volume = 0.1569 m³/kg