FURNACE TECHNOLOGY QUIZ

Quantity & temperature of waste gas

Dust concentration & nature of dust in waste gas

All of these

Corrosive nature of the waste gas

Ton stock/m² hearth area

Ton stock/hr

Both B and C

Ton stock/hr/m² hearth area

Resistance

Pot

Induction

Arc

Is favoured by CO₂

All of these

Affects its crystalline structure

Is the removal of carbon from iron carbide (Fe₃C)

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

Burner design (thoroughness of mixing versus stratification)

All of these

Ratio of wall surface to stock surface

Hearth area and furnace temperature

All of these

Emissivity of the stock

Rotary kiln

Annealing furnace

Muffle furnace

Reheating furnace

Damper

All of these

Variation in the pitch of fan blades

Speed of the fan

Drying of coal

Combustion of coal by supplying it around the burner

Transportation of coal

Preheating the primary air

Beehive coke oven

Blast furnace stoves

High pressure boiler

Coke oven