Refractory Technology Which is not an acidic refractory? High alumina refractory Silica Fireclay Carbon black High alumina refractory Silica Fireclay Carbon black ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness/fusion points of 'superduty' refractories is __________ °C. 1520-1630 > 1730 > 2000 1630-1670 1520-1630 > 1730 > 2000 1630-1670 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not a neutral refractory? Silicon carbide Graphite Magnesite Chromite Silicon carbide Graphite Magnesite Chromite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pyrometric cone equivalent (PCE) of a refractory is the measure of its Resistance to slag penetration Resistance to carbon monoxide attack Fusion point Spalling resistance Resistance to slag penetration Resistance to carbon monoxide attack Fusion point Spalling resistance 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 Cermets are Having high strength & resistance to high temperature All of these Used in space vehicles, missiles & nuclear energy plants Composite material containing both ceramic & metallic constituents Having high strength & resistance to high temperature All of these Used in space vehicles, missiles & nuclear energy plants Composite material containing both ceramic & metallic constituents ANSWER DOWNLOAD EXAMIANS APP
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