E. VIE.1 442 1:42 AM PIO. Coal Water River Turbine Steam Transmission Lines 3 Generator Transformer densör Cooling Water Condenser [Source: Photo by unknown author, licensed under CC BY-SA] A steam boiler plant supplies 2 200 kg steam per hour under a pressure of 1 MPa and with a temperature of 250 °C. The feed water temperature is 26,7 °C. The thermal efficiency of the boiler is 68%. If the heat value of the coal is 32,5 MJ/kg, calculate the following: 3.1.1 The amount of coal used per hour. 3.1.2 The equivalent evaporation from and at 100 °C. A (7) is (3) D O ㅁ

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2. (#47ppS-37TrD) - A water tube boiler evaporated 6.05 kg of water per sec from a feed water temperature of 104.44 deg C to steam at 1241 kPa and quality of 0.97, weight of coal fuel per sec 0.57 kg, high heat value of the coal as fired, 11,800 Btu/lb Steam Properties: At 104.44 deg C hf At 1241.1 kPa = 437.78 (interpolated) h₁ = 805.29 = hg 1980.6 (interpolated) a) Determine the rate of heat absorption in kJ/kg

3. Generate the SFEE equations for the following process equipment with neat diagrams: 1. Air Compressor 2. Boiler 3. Shell & Tube Heat Exchanger 4. Evaporator 5. Condenser 6. Cooling Tower

O Falge QUESTION 2 The refrigerant undergoes a change of phase during the heat-transfer process, the pressure of the retrigerant is the saturation pressure during the low supply and low rejection processes. True False QUESTION 3 Frequently, the vapor of the liquid leaving the condenser is lower than the saturation temperature. O True False QUESTION & The pressure of the iquid leaveng the condenser we be less than the pressure of the vapor entarng, wd etempernd the retigerant in the condenser. O Te QUESTION S Are many situations in which it is desirable to combine three cycles in series, either power systems or refigertion sytems, to take advantage of a very wide temperature range or to utilize what would otherwise be waste heat to improve etficiency O true O False QUESTION 6 A cycle can't be made very efficient, since the temperature differences between the two fluid streams can be controlled through careful design of the combined system. True

K2 please help with my reviewer. Provide me the full solution and answer thank you SN=40

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Please answer question number 2 thank you. Refrigeration systems subject