Find the amount of electrical energy expended in raising the temperature of 50 litres of water by 75° C.To what height could a weight of 5000 kg be raised with the same expenditure of energy ? Assume that heater has an efficiency of 90% and the lifting equipment has an efficiency of 70%.
Find the amount of electrical energy expended in raising the temperature of 50 litres of water by 75° C.To what height could a weight of 5000 kg be raised with the same expenditure of energy ? Assume that heater has an efficiency of 90% and the lifting equipment has an efficiency of 70%.
Chapter27: Service-entrance Equipment
Section: Chapter Questions
Problem 32R
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