Refractory Technology Refractoriness/fusion points of 'superduty' refractories is __________ °C. 1520-1630 1630-1670 > 2000 > 1730 1520-1630 1630-1670 > 2000 > 1730 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cermets are Used in space vehicles, missiles & nuclear energy plants Composite material containing both ceramic & metallic constituents All of these Having high strength & resistance to high temperature Used in space vehicles, missiles & nuclear energy plants Composite material containing both ceramic & metallic constituents All of these Having high strength & resistance to high temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory castables are used for Producing monolithic linings Minimising the number of joints in the structure Patch work All of these Producing monolithic linings Minimising the number of joints in the structure Patch work All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following does not occur during firing/burning of refractories? Removal of water of hydration Decrease in crushing strength Vitrification Development of stable mineral form Removal of water of hydration Decrease in crushing strength Vitrification Development of stable mineral form ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Addition of zircon to silica refractory brick improves its Neither A nor B Resistance to slag attack Neither A nor B Crushing strength Neither A nor B Resistance to slag attack Neither A nor B Crushing strength ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Most Cermets, which normally have high thermal conductivity and high thermal shock resistance, comprises of ceramic & metallic components of __________ percent respectively. 50 and 50 20 and 80 80 and 20 60 and 40 50 and 50 20 and 80 80 and 20 60 and 40 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS