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68. The change of enthalpy in a heating chamber of dryer is 25 Btu and the mass of air supplied is 30,000 lb/hr. What is the heat supplied by heater? A. 560 KW B. 450 KW C. 350 KW D. 220 KW

68. The change of enthalpy in a heating chamber of dryer is 25 Btu and the mass of air supplied is 30,000 lb/hr. What is the heat supplied by heater? A. 560 KW B. 450 KW C. 350 KW D. 220 KW

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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68. The change of enthalpy in a heating chamber of dryer is 25 Btu and the mass of air supplied is 30,000 lb/hr. What is the heat supplied by heater? A. 560 KW B. 450 KW C. 350 KW D. 220 KW 69. Water at 55°C is cooled in a cooling tower which has an efficiency of 65%. The temperature OPPO AG the surrounding air is 32°C dry bulb and 70% relative humidity. The heat dissipated from 2022/04/30 22:40 the condenser is 2.300.000 Kh
Transcribed Image Text:68. The change of enthalpy in a heating chamber of dryer is 25 Btu and the mass of air supplied is 30,000 lb/hr. What is the heat supplied by heater? A. 560 KW B. 450 KW C. 350 KW D. 220 KW 69. Water at 55°C is cooled in a cooling tower which has an efficiency of 65%. The temperature OPPO AG the surrounding air is 32°C dry bulb and 70% relative humidity. The heat dissipated from 2022/04/30 22:40 the condenser is 2.300.000 Kh
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