Refractory Technology Cermets are All of these Having high strength & resistance to high temperature Composite material containing both ceramic & metallic constituents Used in space vehicles, missiles & nuclear energy plants All of these Having high strength & resistance to high temperature Composite material containing both ceramic & metallic constituents 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 Coke oven regenarators Recuperators Muffle furnace Blast furnace Coke oven regenarators Recuperators Muffle furnace Blast furnace 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 Porosity of fireclay refractories is __________ percent. 25-35 35-50 44129 43961 25-35 35-50 44129 43961 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica upto 1470°C ? Tridymite None of these Quartz Cristobalite Tridymite None of these Quartz Cristobalite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite is not used in the Wear out lining of steel melting furnaces All of these Inner lining of L.D. converter Aluminium melting furnaces Wear out lining of steel melting furnaces All of these Inner lining of L.D. converter Aluminium melting furnaces ANSWER DOWNLOAD EXAMIANS APP
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