Refractory Technology Ferromagnetic ceramic material is not used in the Magnetic switches Television sets Transformers Thermal insulation Magnetic switches Television sets Transformers Thermal insulation ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Highest melting (m.p = 3070°C) oxide refractory is Alumina Thoria Zirconia Magnesia Alumina Thoria Zirconia Magnesia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion point of a basic refractory material is Always less than 1000°C Reduced by the addition of acid oxides Not affected by the addition of acid oxides Increased by the addition of acid oxides Always less than 1000°C Reduced by the addition of acid oxides Not affected by the addition of acid oxides Increased by the addition of acid oxides ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one expands on heating? Both A & B Neither A nor B Fireclay bricks Silica bricks Both A & B Neither A nor B Fireclay bricks Silica bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica bricks are attacked by basic slags at high temperature. Which of the following is not used solely as a binding material? Water Lime Plaster of paris Aluminium phosphate Water Lime Plaster of paris Aluminium phosphate ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The largest consumer of refractories is the __________ industry. Power Fertiliser Cement Metallurgical Power Fertiliser Cement Metallurgical ANSWER DOWNLOAD EXAMIANS APP