Refractory Technology Cermets are All of these Composite material containing both ceramic & metallic constituents Having high strength & resistance to high temperature Used in space vehicles, missiles & nuclear energy plants All of these Composite material containing both ceramic & metallic constituents Having high strength & resistance to high temperature Used in space vehicles, missiles & nuclear energy plants ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High thermal conductivity of a refractory material is not important, when it is to be used in the Blast furnace Coke oven regenarators Recuperators Muffle furnace Blast furnace Coke oven regenarators Recuperators Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pure oxide refractories are generally monocrystaliine in nature and are self bonded __________ bricks are generally used as moderator in nuclear reactors. Thoria Corundum Beryllia Carborundum Thoria Corundum Beryllia Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not an acidic refractory? Silica bricks Fireclay bricks Magnesia bricks Bauxite bricks Silica bricks Fireclay bricks Magnesia bricks Bauxite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum apparent porosity of magnesite bricks is about __________ percent. 58 8 24 44 58 8 24 44 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thermal spalling mainly occurs during __________ of furnaces. Cooling down Both A & B Warming up Neither A nor B Cooling down Both A & B Warming up Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS