Refractory Technology __________ bricks are used in the burning zone of a cement rotary kiln. Thoria High alumina Fireclay Silicon carbide Thoria High alumina Fireclay Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dolomite bricks have good resistance to attack by Molten steel Lime slag None of these Iron oxide Molten steel Lime slag None of these Iron oxide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Capacity of a refractory brick to withstand-sudden changes in temperature is denoted by the property called Refractoriness under load (RUL) None of these Spalling resistance Refractoriness Refractoriness under load (RUL) None of these Spalling resistance Refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Resistance to slag attack of a refractory Decreases, if defective joints & cracks exist in the refractory Decreases at higher temperature Depends on the nature of slag & refractory All of these Decreases, if defective joints & cracks exist in the refractory Decreases at higher temperature Depends on the nature of slag & refractory All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a high alumina refractory? Bauxite Dolomite Corrundum Mullite Bauxite Dolomite Corrundum Mullite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An insulating refractory brick should have high porosity and low thermal conductivity. Which of the following is not used for inducing porosity in the insulating refractory bricks during its manufacture? Cork Sand Saw dust Chemically prepared foam Cork Sand Saw dust Chemically prepared foam ANSWER DOWNLOAD EXAMIANS APP
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