A circular fuel tank 45 feet long 5.5 feet diameter is used for oil storage. Calculate the mass flow rate of fuel in kg/hr with following conditions: Steam flow = 2000 lbs/hr; Steam dry and saturated at 200 psia; Feedwater temperature = 230˚F; Boiler efficiency= 75%; Fuel oil = 34˚API; From steam table: At 200 psi (1.380 MPa): hs = 2 789.6 kJ/kg while At 230 deg. F (110 deg. C): hf = 461.3 kJ/kg

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