Refractory Technology With increase in the alumina content in firebricks, its fusion point (refractoriness) Increases Remains unchanged Decreases linearly Decreases Increases Remains unchanged Decreases linearly Decreases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks with lower permeability is produced by using Finer grog size Higher firing temperature Higher moulding pressure All of these Finer grog size Higher firing temperature Higher moulding pressure All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cermets are Having high strength & resistance to high temperature Composite material containing both ceramic & metallic constituents All of these Used in space vehicles, missiles & nuclear energy plants Having high strength & resistance to high temperature Composite material containing both ceramic & metallic constituents All of these Used in space vehicles, missiles & nuclear energy plants ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Permeability of bricks is a measure of the Refractoriness Melting point Expansion during heating Rate at which a fluid will pass through the pores Refractoriness Melting point Expansion during heating Rate at which a fluid will pass through the pores ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica upto 1470°C ? Tridymite Quartz Cristobalite None of these Tridymite Quartz Cristobalite None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following consumes the maximum tonnage of refractories annually in an integrated steel plant? Soaking pits Rotary lime kiln Ceheating furnace L.D. converter Soaking pits Rotary lime kiln Ceheating furnace L.D. converter ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS