What is the minimum efficiency, in general of a cupola?(a) 15%(b) 30%(c) 25%(d) 35%This question was addressed to me in my homework.I would like to ask this question from Coke Bed Charge Calculations in portion Metal Furnace and Practice of Casting-Forming-Welding II

What is the minimum efficiency, in general of a cupola?(a) 15%(b) 30%(

1.	What is the minimum efficiency, in general of a cupola?(a) 15%(b) 30%(c) 25%(d) 35%This question was addressed to me in my homework.I would like to ask this question from Coke Bed Charge Calculations in portion Metal Furnace and Practice of Casting-Forming-Welding II
Answer» The correct ANSWER is (b) 30% EXPLANATION: The minimum efficiency of a cupola is 30%, and that, the maximum efficiency is 50%. Hence, the efficiency RANGES from 30 to 50% only.

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What is the minimum efficiency, in general of a cupola?(a) 15%(b) 30%(c) 25%(d) 35%This question was addressed to me in my homework.I would like to ask this question from Coke Bed Charge Calculations in portion Metal Furnace and Practice of Casting-Forming-Welding II

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