Refractory Technology Cermets are Having high strength & resistance to high temperature All of these Composite material containing both ceramic & metallic constituents Used in space vehicles, missiles & nuclear energy plants Having high strength & resistance to high temperature All of these Composite material containing both ceramic & metallic constituents Used in space vehicles, missiles & nuclear energy plants ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Presence of MgO in alumino-silicate refractories __________ its refractoriness. Lowers Does not affect Either A or B; depends on its quantity Increases Lowers Does not affect Either A or B; depends on its quantity Increases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories have low resistance to Both B and C Abrasion Attack by basic slag Disintegration on sudden change of temperature Both B and C Abrasion Attack by basic slag Disintegration on sudden change of temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Bauxite calcining rotary kilns are lined with __________ bricks. Corundum 85% alumina Carbon Fireclay Corundum 85% alumina Carbon Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Test piece for determination of RUL of a refractory is heated in a/an Reducing atmosphere Neutral atmosphere Electric furnace Oxidising atmosphere Reducing atmosphere Neutral atmosphere Electric furnace Oxidising atmosphere ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Firing of refractory brick is done to Dehydrate the dried refractory Form ceramic bonds necessary for development of high crushing strength in the finished product All of these Develop stable mineral forms in them Dehydrate the dried refractory Form ceramic bonds necessary for development of high crushing strength in the finished product All of these Develop stable mineral forms in them ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS