Refractory Technology Chromite refractories are used in Bottom of soaking pits Both A & B Neither A nor B Between acid & basic linings in basic open hearth furnaces to prevent their chemical action with each other Bottom of soaking pits Both A & B Neither A nor B Between acid & basic linings in basic open hearth furnaces to prevent their chemical action with each other ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chromite refractories are Fired at a temperature of 600°C only Acidic refractory Basic refractory Neutral refractory Fired at a temperature of 600°C only Acidic refractory Basic refractory Neutral refractory ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Highest melting (m.p = 3070°C) oxide refractory is Thoria Alumina Zirconia Magnesia Thoria Alumina Zirconia Magnesia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Alumina-graphite bricks are used for lining the Both A & B Neither A nor B Slide gate in teeming laddies Continuous casting systems Both A & B Neither A nor B Slide gate in teeming laddies Continuous casting systems ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cermets are Having high strength & resistance to high temperature All of these Composite material containing both ceramic & metallic constituents Used in space vehicles, missiles & nuclear energy plants Having high strength & resistance to high temperature All of these Composite material containing both ceramic & metallic constituents Used in space vehicles, missiles & nuclear energy plants ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica refractories are not used in Beehive coke ovens Dome and upper portion of B.F. stoves Coke oven walls Open hearth furnace roof Beehive coke ovens Dome and upper portion of B.F. stoves Coke oven walls Open hearth furnace roof ANSWER DOWNLOAD EXAMIANS APP
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