Refractory Technology Ramming masses are used for Obtaining monolithic working faces Neither A nor B Repairing construction of various furnace parts Both A & B Obtaining monolithic working faces Neither A nor B Repairing construction of various furnace parts Both A & B 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 __________ is the measure of the strength of refractory under the combined effect of temperature & load. Porosity Specific gravity Thermal conductivity RUL Porosity Specific gravity Thermal conductivity 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 . 65 150 450 250 65 150 450 250 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High refractorinness of refractory bricks means, that it has a Low porosity Low spalling resistance High resistance to fusion High spalling resistance Low porosity Low spalling resistance High resistance to fusion High spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Bauxite calcining rotary kilns are lined with __________ bricks. 85% alumina Corundum Carbon Fireclay 85% alumina Corundum Carbon Fireclay ANSWER DOWNLOAD EXAMIANS APP