Refractory Technology Cermets are 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 All of these Composite material containing both ceramic & metallic constituents Having high strength & resistance to high temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is the measure of the strength of refractory under the combined effect of temperature & load. Porosity Thermal conductivity Specific gravity RUL Porosity Thermal conductivity Specific gravity RUL ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories are generally not used in the Steel melting furnace Electric furnace walls Open hearth furnace Burning zone of cement kilns Steel melting furnace Electric furnace walls Open hearth furnace Burning zone of cement kilns ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an acidic refractory? Carbon black Fireclay High alumina refractory Silica Carbon black Fireclay High alumina refractory Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The linear thermal expansion of __________ bricks upto 1000 °C is very low of the order of ≤ 0.5 percent. Silica Magnesite Fireclay Corundum Silica Magnesite Fireclay Corundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories have very high Refractoriness Thermal conductivity Both B and C Wetting characteristics Refractoriness Thermal conductivity Both B and C Wetting characteristics ANSWER DOWNLOAD EXAMIANS APP