Refractory Technology Test piece for determination of RUL of a refractory is heated in a/an Reducing atmosphere Electric furnace Oxidising atmosphere Neutral atmosphere Reducing atmosphere Electric furnace Oxidising atmosphere Neutral atmosphere ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum shrinkage in volume occurring during burning/firing of dried refractories may be as high as __________ percent. 15 20 10 30 15 20 10 30 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum water percentage in refractory mix meant for hand moulding may be as high as __________ percent. 5-7 7-12 2-3 14-20 5-7 7-12 2-3 14-20 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hollow refractory bricks are made by Pressing/machine moulding Slip casting Extrusion Hand moulding Pressing/machine moulding Slip casting Extrusion Hand moulding ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories are exclusively used in the Hearth of blast furnace Walls of coke oven Side wall of soaking pits Regenerators of coke oven Hearth of blast furnace Walls of coke oven Side wall of soaking pits Regenerators of coke oven ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories are generally not used in the Burning zone of cement kilns Electric furnace walls Open hearth furnace Steel melting furnace Burning zone of cement kilns Electric furnace walls Open hearth furnace Steel melting furnace ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS