Thermal efficiency of blast furnace stoves used for heating blast (air) may be a

Question

Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent.

Options:

A . 20

B . 40

C . 60

D . 80

Answer: Option D

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More Questions on This Topic :

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Question 10. The rate of scaling of furnace stock depends upon the....

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