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11.11 (USCS) An amount of titanium weighing 200 lb is heated to a pouring temperature of 3300°F. The unit heating and pouring energy required to raise the temperature of the aluminum to pouring temperature = 600 Btu/lb. The furnace generates 175 kW and has a thermal efficiency of 65%. Determine the (a) time required to heat the metal from ambient temperature (70°F) to pouring temperature and (b) cost of electricity to heat the metal if the hourly cost of electricity = $0.21/kWh.

11.11 (USCS) An amount of titanium weighing 200 lb is heated to a pouring temperature of 3300°F. The unit heating and pouring energy required to raise the temperature of the aluminum to pouring temperature = 600 Btu/lb. The furnace generates 175 kW and has a thermal efficiency of 65%. Determine the (a) time required to heat the metal from ambient temperature (70°F) to pouring temperature and (b) cost of electricity to heat the metal if the hourly cost of electricity = $0.21/kWh.

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
Problem 1.1MA
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(USCS) An amount of titanium weighing 200 lb is heated to a pouring temperature of 3300 F. The unit heating and pouring energy required to raise the temp of the aluminum to pouring temp = 600 Btu/lb. The furnace generates 175 kW and has a thermal efficiency of 65%. Determine the (a) time required to heat the metal from ambient temp (70 F) to pouring temp and (b) cost of electricity to heat the metal if the hourly cost of electricity = $0.21/kWh.
11.11 (USCS) An amount of titanium weighing 200 lb is heated to a pouring temperature of 3300°F. The unit heating and pouring energy required to raise the temperature of the aluminum to pouring temperature = 600 Btu/lb. The furnace generates 175 kW and has a thermal efficiency of 65%. Determine the (a) time required to heat the metal from ambient temperature (70°F) to pouring temperature and (b) cost of electricity to heat the metal if the hourly cost of electricity = $0.21/kWh.
Transcribed Image Text:11.11 (USCS) An amount of titanium weighing 200 lb is heated to a pouring temperature of 3300°F. The unit heating and pouring energy required to raise the temperature of the aluminum to pouring temperature = 600 Btu/lb. The furnace generates 175 kW and has a thermal efficiency of 65%. Determine the (a) time required to heat the metal from ambient temperature (70°F) to pouring temperature and (b) cost of electricity to heat the metal if the hourly cost of electricity = $0.21/kWh.
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