Steam out Water in Q5–2 Boiler q1–2 = w1–2 (h2 – h1) + (kE2 – kE1) + PE2 – pE1) – q1–2 = h2 – h1 Heat is lost by the system to the cooling water q1–2 = h1 – h2 2. receives 3600Kg of steam per hour. The steam enters the turbine at a velocity of 80m/sec, an elevation of 10m and specific enthalpy of 3276KJ/kg

Read MoreME Board Problem Local coal with higher heating value of 5,500 kCal/kg is burned in a pulverized coal fired boiler with 25% excess air at the rate of 25.9 M.T. per hour when the steam generated is 220 M.T. per hour. This boiler is served by 2 forced-draft fans of equal capacity delivering the air at 305 mm of water to the furnace.

Read MoreThe pressure of a boiler is 9.5 kg/cm2. the work per lb steam and (b) the steam flow rate in lb/h. Page Each person gives off 150 kcal per hour of heat and occupies a volume of 0.2 cubic meters. The room has an initial pressure of 101.3 kPa and temperature of 160C. Calculate the room temperature after 10 minutes.

Read MoreThe pressure of a boiler is 9.5 kg/cm2. the work per lb steam and (b) the steam flow rate in lb/h. Page Each person gives off 150 kcal per hour of heat and occupies a volume of 0.2 cubic meters. The room has an initial pressure of 101.3 kPa and temperature of 160C. Calculate the room temperature after 10 minutes.

Read MoreSteam out Water in Q5–2 Boiler q1–2 = w1–2 (h2 – h1) + (kE2 – kE1) + PE2 – pE1) – q1–2 = h2 – h1 Heat is lost by the system to the cooling water q1–2 = h1 – h2 2. receives 3600Kg of steam per hour. The steam enters the turbine at a velocity of 80m/sec, an elevation of 10m and specific enthalpy of 3276KJ/kg

Read MoreThe pressure of a boiler is 9.5 kg/cm2. the work per lb steam and (b) the steam flow rate in lb/h. Page Each person gives off 150 kcal per hour of heat and occupies a volume of 0.2 cubic meters. The room has an initial pressure of 101.3 kPa and temperature of 160C. Calculate the room temperature after 10 minutes.

Read MoreME Board Problem Local coal with higher heating value of 5,500 kCal/kg is burned in a pulverized coal fired boiler with 25% excess air at the rate of 25.9 M.T. per hour when the steam generated is 220 M.T. per hour. This boiler is served by 2 forced-draft fans of equal capacity delivering the air at 305 mm of water to the furnace.

Read MoreME Board Problem Local coal with higher heating value of 5,500 kCal/kg is burned in a pulverized coal fired boiler with 25% excess air at the rate of 25.9 M.T. per hour when the steam generated is 220 M.T. per hour. This boiler is served by 2 forced-draft fans of equal capacity delivering the air at 305 mm of water to the furnace.

Read MoreSteam out Water in Q5–2 Boiler q1–2 = w1–2 (h2 – h1) + (kE2 – kE1) + PE2 – pE1) – q1–2 = h2 – h1 Heat is lost by the system to the cooling water q1–2 = h1 – h2 2. receives 3600Kg of steam per hour. The steam enters the turbine at a velocity of 80m/sec, an elevation of 10m and specific enthalpy of 3276KJ/kg

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