Chemical Engineering Basics In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following : Mixture of water and air Blast of air Jet of water at high pressure Rain of molten lead Mixture of water and air Blast of air Jet of water at high pressure Rain of molten lead ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Grain hardness is measured by the __________ hardness testing method. Knoop Rockwell F Vicker's Shore sceleroscope Knoop Rockwell F Vicker's Shore sceleroscope ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following phenomenon/ phenomena is/are diffusion controlled ? Recrystallisation Cross-slip Dislocation climb Twinning Recrystallisation Cross-slip Dislocation climb Twinning ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Silicon crystal can be converted to p-type semi-conductor by doping with Boron Carbon Nitrogen Phosphorous Boron Carbon Nitrogen Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics 'Flare tower' used in industry is meant for None of these Venting off (after burning) the excess inflammable/toxic gases at high pressure Absorbing the pollutant gases from the furnace exhaust Cooling of furnace exhaust gases None of these Venting off (after burning) the excess inflammable/toxic gases at high pressure Absorbing the pollutant gases from the furnace exhaust Cooling of furnace exhaust gases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Austempering of steel requires.it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to Bainite Martensite Troostite Sorbite Bainite Martensite Troostite Sorbite ANSWER DOWNLOAD EXAMIANS APP