Refractory Technology Which of the following is not an acidic refractory? Magnesia bricks Fireclay bricks Bauxite bricks Silica bricks Magnesia bricks Fireclay bricks Bauxite bricks Silica bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories are generally not used in the Open hearth furnace Burning zone of cement kilns Electric furnace walls Steel melting furnace Open hearth furnace Burning zone of cement kilns Electric furnace walls Steel melting furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one contains maximum percentage of Al2O₃ ? Aluminous firebrick Magnesite Sillimanite Firebrick Aluminous firebrick Magnesite Sillimanite Firebrick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling of silica bricks occurs due to abrupt volume changes, when it is cooled below a temperature of __________ °C. 770 570 270 70 770 570 270 70 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum safe working temperature for fireclay bricks is about __________ °C. 1450 1300 1150 1550 1450 1300 1150 1550 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ramming masses are used for Obtaining monolithic working faces Both A & B Repairing construction of various furnace parts Neither A nor B Obtaining monolithic working faces Both A & B Repairing construction of various furnace parts Neither A nor B ANSWER DOWNLOAD EXAMIANS APP