Furnace Technology Test specimen for determination of refractoriness under load (RUL) of a refractory is heated in a Reducing atmosphere Furnace employing neutral atmosphere Furnace employing negative pressure Carbon resistance furnace Reducing atmosphere Furnace employing neutral atmosphere Furnace employing negative pressure Carbon resistance furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of Causing metal embrittlement Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature All of these Accelerating the rate of scaling Causing metal embrittlement Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature All of these Accelerating the rate of scaling ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Recuperator is An intermittant waste heat recovery equipment Not used for fuel gas preheating A continuous waste heat recovery equipment Heavier than regenerator meant for the same duty An intermittant waste heat recovery equipment Not used for fuel gas preheating A continuous waste heat recovery equipment Heavier than regenerator meant for the same duty ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is a regenerative furnace? Coke oven heating chamber Open hearth furnace Neither A nor B Both A and B Coke oven heating chamber Open hearth furnace Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overfire burning in a furnace is a phenomenon characterised by Supply of excess fuel Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air None of these Supply of excess air Supply of excess fuel Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air None of these Supply of excess air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Air filtration in a furnace Increases the flue gas temperature Is indicated by flame sting out None of these Reduces its thermal efficiency Increases the flue gas temperature Is indicated by flame sting out None of these Reduces its thermal efficiency ANSWER DOWNLOAD EXAMIANS APP