Refractory Technology With decrease in porosity, the __________ of the refractories decreases. Strength None of these Thermal conductivity Spalling resistance Strength None of these Thermal conductivity Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zirconia refractories are not used in 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 Lining high temperature ceramic kilns Furnaces subjected to fluctuating temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite brick is not used for lining the Coke oven regenerator Bottom hearth of reheating furnace Hearth of soaking pits Burning zone of limestone rotary kilns Coke oven regenerator Bottom hearth of reheating furnace Hearth of soaking pits Burning zone of limestone rotary kilns ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum alumina content in high alumina refractory can be as high as __________ percent. 90 30 50 70 90 30 50 70 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Rotary kilns meant for calcination of limestone are lined with chrome magnesite in __________ zone. All of these Cooling Burning Preheating All of these Cooling Burning Preheating ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silicon carbide refractories are used in the All of these Muffle furnace Ceramic recuperators Zinc smelting furnace All of these Muffle furnace Ceramic recuperators Zinc smelting furnace ANSWER DOWNLOAD EXAMIANS APP