A coal with a higher heating value of 6,700 Kcal/kg is consumed at a rate of 600 kg/hr. in a water tube steam generator with a rated boiler horsepower of 200 HP. The feedwater temperature is 82°C and steam generated is at 11 kg/cm2 absolute, saturated. The developed boiler horsepower is equivalent to 305 HP. Determine: a. Heating surface area in m² b. Steam evaporated in kg/hr c. ASME evaporating units in J/hr
A coal with a higher heating value of 6,700 Kcal/kg is consumed at a rate of 600 kg/hr. in a water tube steam generator with a rated boiler horsepower of 200 HP. The feedwater temperature is 82°C and steam generated is at 11 kg/cm2 absolute, saturated. The developed boiler horsepower is equivalent to 305 HP. Determine: a. Heating surface area in m² b. Steam evaporated in kg/hr c. ASME evaporating units in J/hr
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A coal with a higher heating value of 6,700 Kcal/kg is consumed at a rate of 600 kg/hr. in a water tube steam generator with a rated boiler horsepower of 200 HP. The feedwater temperature is 82°C and steam generated is at 11 kg/cm2 absolute, saturated. The developed boiler horsepower is equivalent to 305 HP. Determine:
a. Heating surface area in m²
b. Steam evaporated in kg/hr
c. ASME evaporating units in J/hr
d. Percent rating
e. Factor of evaporation
f. Over-all thermal efficiency
g. actual specific evaporation
h. Equivalent specific evaporation
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