Refractory Technology Hollow refractory bricks are made by Hand moulding Slip casting Pressing/machine moulding Extrusion Hand moulding Slip casting Pressing/machine moulding Extrusion ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Rotary kilns meant for calcination of limestone are lined with chrome magnesite in __________ zone. Preheating Burning All of these Cooling Preheating Burning All of these Cooling ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite chrome bricks are used in the Soaking pits Roof lining of basic open hearth & other basic furnaces All of these Reheating furnaces Soaking pits Roof lining of basic open hearth & other basic furnaces All of these Reheating furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High refractorinness of refractory bricks means, that it has a High resistance to fusion Low porosity High spalling resistance Low spalling resistance High resistance to fusion Low porosity High spalling resistance Low spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 10 to 30% magnesite is added to chromite to produce chrome-magnesite refractories. Magnesite addition is mainly done to improve the __________ of chromite. Refractoriness Spalling resistance Resistance to slag Crushing strength Refractoriness Spalling resistance Resistance to slag Crushing strength ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of silica bricks varies from __________ percent. 45 to 60 20 to 30 5 to 10 60 to 75 45 to 60 20 to 30 5 to 10 60 to 75 ANSWER DOWNLOAD EXAMIANS APP
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