Refractory Technology Refractory castables are used for Producing monolithic linings All of these Patch work Minimising the number of joints in the structure Producing monolithic linings All of these Patch work Minimising the number of joints in the structure ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay refractories have Poor thermal spalling resistance Tendency to expand unduly high during firing Low co-efficient of thermal expansion Very high cost Poor thermal spalling resistance Tendency to expand unduly high during firing Low co-efficient of thermal expansion Very high cost ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks having lower porosity have High insulating properties Greater strength Low heat capacity Low thermal conductivity High insulating properties Greater strength Low heat capacity Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cermets are combination of ceramic and metallic materials due to which they have high strength & resistance to high temperature. Cermets are used in the Hearth of the blast furnace Insulation of high temperature furnaces Roof of electric furnaces Nuclear reactors, missiles & space crafts Hearth of the blast furnace Insulation of high temperature furnaces Roof of electric furnaces Nuclear reactors, missiles & space crafts ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite brick is not used for lining the Coke oven regenerator Hearth of soaking pits Burning zone of limestone rotary kilns Bottom hearth of reheating furnace Coke oven regenerator Hearth of soaking pits Burning zone of limestone rotary kilns Bottom hearth of reheating furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion temperature of pure silica (SiO₂) is __________ °C. 2570 2800 1715 1350 2570 2800 1715 1350 ANSWER DOWNLOAD EXAMIANS APP
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