Furnace Technology
Which of the following furnaces will have maximum thermal efficiency?

Walking beam reheating furnace
Boiler furnace
Rotary kilns
Soaking pits

ANSWER DOWNLOAD EXAMIANS APP

Furnace Technology
The amount of combustible escaping uncon-sumed from the furnace, depends upon the

Burner design (thoroughness of mixing versus stratification)
Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction)
Air supplied and furnace temperature
All of these

ANSWER DOWNLOAD EXAMIANS APP

Furnace Technology
Which is not accomplished in an underfired furnace?

Portection of the periphery of the charge from excessive radiation
Reduction in the temperature of furnace gases
Increase in heating capacity/m² of floor space
Elimination of cold spot at the bottom of the charge

ANSWER DOWNLOAD EXAMIANS APP