B[20M]/ Boiler generates 2400 kg of dry steam per hour at a pressure of 11 bar. The grate area of the coal is 3 m² and 90 kg of coal is burnt per m² of grate area per hour. The calorific value of the coal is 33180 kj/kg, and the temperature of feed water is 17.5 oC. Determine (1) actual evaporation per kg of coal. (2) equivalent evaporation. (3) efficiency of the boiler. US (01.2
B[20M]/ Boiler generates 2400 kg of dry steam per hour at a pressure of 11 bar. The grate area of the coal is 3 m² and 90 kg of coal is burnt per m² of grate area per hour. The calorific value of the coal is 33180 kj/kg, and the temperature of feed water is 17.5 oC. Determine (1) actual evaporation per kg of coal. (2) equivalent evaporation. (3) efficiency of the boiler. US (01.2
Chapter19: Special-purpose Outlets-water Pump, Water Heater
Section19.2: Water Heater Branch Circuit
Problem 8R: For residential water heaters, the Consumer Product Safety Commission suggests a maximum temperature...
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![B[20M]/ Boiler generates 2400 kg of dry steam per hour at a pressure of 11 bar. The
grate area of the coal is 3 m² and 90 kg of coal is burnt per m² of grate area per hour.
The calorific value of the coal is 33180 kj/kg, and the temperature of feed water is 17.5
oC. Determine (1) actual evaporation per kg of coal. (2) equivalent evaporation. (3)
efficiency of the boiler.
US
(01.2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb4fee5d9-1c16-454c-b2da-bc904221516e%2F23f0076a-0620-4256-b81f-50c41d5bb430%2Fah96xp2_processed.jpeg&w=3840&q=75)
Transcribed Image Text:B[20M]/ Boiler generates 2400 kg of dry steam per hour at a pressure of 11 bar. The
grate area of the coal is 3 m² and 90 kg of coal is burnt per m² of grate area per hour.
The calorific value of the coal is 33180 kj/kg, and the temperature of feed water is 17.5
oC. Determine (1) actual evaporation per kg of coal. (2) equivalent evaporation. (3)
efficiency of the boiler.
US
(01.2
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