Refractory Technology Carbon refractories are exclusively used in the Hearth of blast furnace Side wall of soaking pits Walls of coke oven Regenerators of coke oven Hearth of blast furnace Side wall of soaking pits Walls of coke oven Regenerators of coke oven ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic open hearth furnace is lined with __________ bricks. Silica Dolomite Magnesite Fireclay Silica Dolomite Magnesite Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Presence of MgO in alumino-silicate refractories __________ its refractoriness. Does not affect Lowers Either A or B; depends on its quantity Increases Does not affect Lowers Either A or B; depends on its quantity Increases 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? Saw dust Cork Chemically prepared foam Sand Saw dust Cork Chemically prepared foam Sand ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology A steel member used in the furnace construction to take the thrust of the brickwork is called Baffle Breast wall Buckstay Armouring Baffle Breast wall Buckstay Armouring ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks with lower permeability is produced by using Higher moulding pressure Finer grog size Higher firing temperature All of these Higher moulding pressure Finer grog size Higher firing temperature All of these ANSWER DOWNLOAD EXAMIANS APP
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