Refractory Technology __________ bricks are used in the burning zone of a cement rotary kiln. High alumina Thoria Fireclay Silicon carbide High alumina Thoria Fireclay Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory materials are never used in the construction of Orton cones Pressure vessels Ovens & retorts Segar cones Orton cones Pressure vessels Ovens & retorts Segar cones ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion point of an acidic refractory material is Not affected by the addition of basic oxides Not affected by the addition of basic oxides Increased by the addition of basic oxides Reduced by the addition of basic oxides Not affected by the addition of basic oxides Not affected by the addition of basic oxides Increased by the addition of basic oxides Reduced by the addition of basic oxides ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Test piece for determination of RUL of a refractory is heated in a/an Electric furnace Oxidising atmosphere Reducing atmosphere Neutral atmosphere Electric furnace Oxidising atmosphere Reducing atmosphere Neutral atmosphere 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 Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of Corrundum Fireclay Silicon carbide Siliceous fireclay Corrundum Fireclay Silicon carbide Siliceous fireclay ANSWER DOWNLOAD EXAMIANS APP