Refractory Technology Chromite refractories are used in Bottom of soaking pits Between acid & basic linings in basic open hearth furnaces to prevent their chemical action with each other Both A & B Neither A nor B Bottom of soaking pits Between acid & basic linings in basic open hearth furnaces to prevent their chemical action with each other Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Graphite or carbon refractories Exihibit wetting characteristics Should be used in neutral or reducing atmosphere Exhibit high shrinkage on thermal treatment Are not resistant to corrosion by slag Exihibit wetting characteristics Should be used in neutral or reducing atmosphere Exhibit high shrinkage on thermal treatment Are not resistant to corrosion by slag ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Most Cermets, which normally have high thermal conductivity and high thermal shock resistance, comprises of ceramic & metallic components of __________ percent respectively. 80 and 20 50 and 50 20 and 80 60 and 40 80 and 20 50 and 50 20 and 80 60 and 40 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zirconia refractories are not used in Lining high temperature ceramic kilns Furnaces subjected to fluctuating temperature High frequency induction furnaces in the form of inductors Making sheaths for thermocouple Lining high temperature ceramic kilns Furnaces subjected to fluctuating temperature High frequency induction furnaces in the form of inductors Making sheaths for thermocouple ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite brick is not used for lining the Coke oven regenerator Bottom hearth of reheating furnace Burning zone of limestone rotary kilns Hearth of soaking pits Coke oven regenerator Bottom hearth of reheating furnace Burning zone of limestone rotary kilns Hearth of soaking pits ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon bricks are not used in the lining of the Highly chemical resistant equipments Blast furnace hearth Electric furnaces Combustion chamber of blast furnace stoves Highly chemical resistant equipments Blast furnace hearth Electric furnaces Combustion chamber of blast furnace stoves ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS