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Thermal efficiency of blast furnace stoves used for heating blast (air) may be about _____________ percent?
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Turn down ratio of a burner__________?
Main gas valve in a gaseous fuel burner is a __________ valve?
Pulverised fuel fired furnaces employ __________ fuel firing?
Which of the following is a periodic furnace ?
Furnace aerodynamics is related to the __________ in the furnace?
The heating capacity of muffle furnace depends on the__________?
The heating capacity of muffle furnace depends on the__________?
In salt bath furnace, heat is transferred to the charge mainly by __________?
An example of shaft furnace is the__________?
Which of the following is not a recuperative furnace ?
The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent?
Which of the following is a batch furnace ?
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Scaling of furnace stock is reduced by __________ in flue gas?
Thermal efficiency of blast furnace stoves used for heating blast (air) may be about _____________ percent?
A. 20
B. 40
C. 60
D. 80
Correct Answer:
80
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Last Updated:
March 11, 2019