Furnace Technology The amount of combustible escaping uncon-sumed from the furnace, depends upon the 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 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 Burner design (thoroughness of mixing versus stratification) ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The electric furnace in which heat is produced by a combination of induced current and skin effect is called __________ furnace. High frequency induction Low frequency induction Resistance Arc High frequency induction Low frequency induction Resistance Arc ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. Reduces the furnace draught All of these Increases the load on the induced draft fan Reduces the flue gas temperature and makes the furnace atmosphere oxidising Reduces the furnace draught All of these Increases the load on the induced draft fan Reduces the flue gas temperature and makes the furnace atmosphere oxidising ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a heat treatment furnace? Rotary kiln Reheating furnace Muffle furnace Annealing furnace Rotary kiln Reheating furnace Muffle furnace Annealing furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not accomplished in an underfired furnace? Increase in heating capacity/m² of floor space Portection of the periphery of the charge from excessive radiation Elimination of cold spot at the bottom of the charge Reduction in the temperature of furnace gases Increase in heating capacity/m² of floor space Portection of the periphery of the charge from excessive radiation Elimination of cold spot at the bottom of the charge Reduction in the temperature of furnace gases ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Test specimen for determination of refractoriness under load (RUL) of a refractory is heated in a Furnace employing negative pressure Reducing atmosphere Carbon resistance furnace Furnace employing neutral atmosphere Furnace employing negative pressure Reducing atmosphere Carbon resistance furnace Furnace employing neutral atmosphere ANSWER DOWNLOAD EXAMIANS APP
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