Refractory Technology Zirconia refractories are not used in Making sheaths for thermocouple Furnaces subjected to fluctuating temperature Lining high temperature ceramic kilns High frequency induction furnaces in the form of inductors Making sheaths for thermocouple Furnaces subjected to fluctuating temperature Lining high temperature ceramic kilns High frequency induction furnaces in the form of inductors ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica between 1470°C and the melting point 1713°C ? None of these Cristobalite Tridymite Quartz None of these Cristobalite Tridymite Quartz ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of ordinary fireclay brick is about 950 kg/cm² . On exposure to a temperature of about 1500°C, its crushing strength may come down to as low as __________ kg/cm² . 450 65 250 150 450 65 250 150 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic open hearth furnace is lined with __________ bricks. Dolomite Magnesite Silica Fireclay Dolomite Magnesite Silica Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Periclase is MgCO₃ Crystalline form of MgO ZrSO₄ Amorphous magnesite MgCO₃ Crystalline form of MgO ZrSO₄ Amorphous magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum water percentage in refractory mix meant for hand moulding may be as high as __________ percent. 14-20 2-3 7-12 5-7 14-20 2-3 7-12 5-7 ANSWER DOWNLOAD EXAMIANS APP
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