Refractory Technology Which of the following bricks has the most close values of RUL and PCE? Tar dolomite bricks Silica bricks Fireclay bricks High alumina bricks Tar dolomite bricks Silica bricks Fireclay bricks High alumina bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory Cements Castables None of these Mortars Cements Castables None of these Mortars ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Capacity of a refractory brick to withstand-sudden changes in temperature is denoted by the property called None of these Refractoriness Spalling resistance Refractoriness under load (RUL) None of these Refractoriness Spalling resistance Refractoriness under load (RUL) ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of ordinary fireclay brick is about 950 kg/cm² . On exposure to a temperature of about 1500°C, its crushing strength may come down to as low as __________ kg/cm² . 250 450 65 150 250 450 65 150 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one expands on heating? Fireclay bricks Neither A nor B Both A & B Silica bricks Fireclay bricks Neither A nor B Both A & B Silica bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pure oxide refractories are generally monocrystaliine in nature and are self bonded __________ bricks are generally used as moderator in nuclear reactors. Corundum Thoria Carborundum Beryllia Corundum Thoria Carborundum Beryllia ANSWER DOWNLOAD EXAMIANS APP