Refractory Technology Firing of refractory brick is done to Dehydrate the dried refractory All of these Develop stable mineral forms in them Form ceramic bonds necessary for development of high crushing strength in the finished product Dehydrate the dried refractory All of these Develop stable mineral forms in them Form ceramic bonds necessary for development of high crushing strength in the finished product ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Sillimanite is a __________ refractory. High alumina Basic Neutral Insulating High alumina Basic Neutral Insulating ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Lower wall courses of soaking pits are made of __________ bricks to avoid the action of molten slag & scale. Chrome or magnesite Silica Silicon carbide Lowduty fireclay Chrome or magnesite Silica Silicon carbide Lowduty fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity is induced in insulating refractories by adding Powdered naphthalene Ammonium chloride/sulphate All of these Calcium phosphate Powdered naphthalene Ammonium chloride/sulphate All of these Calcium phosphate ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica below 870°C ? None of these Cristobalite Tridymite Quartz None of these Cristobalite Tridymite Quartz ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness of a typical silica brick corresponds to Segar cone number, '32', which is equivalent to a temperature of __________ °C. 1710 1520 1915 1380 1710 1520 1915 1380 ANSWER DOWNLOAD EXAMIANS APP