Chemical Engineering Basics In the Bayer's process, bauxite is digested under pressure using NaOH H₂SO₄ HCl NH₃ NaOH H₂SO₄ HCl NH₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C. 2400 2000 3000 1800 2400 2000 3000 1800 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The main function of the deaerator used in the thermal power plant is to Remove dissolved gases from feed-water Throttle down the steam pressure Remove non-condensable gases from condenser Enhance feed water temperature Remove dissolved gases from feed-water Throttle down the steam pressure Remove non-condensable gases from condenser Enhance feed water temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following materials has the maximum shrinkage allowance ? Lead Cast iron Brass Aluminium alloy Lead Cast iron Brass Aluminium alloy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? Plastic deformation of material does not occur Initation of crack occurs on the surface of the machine part Initiation of crack from below the surface does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Plastic deformation of material does not occur Initation of crack occurs on the surface of the machine part Initiation of crack from below the surface does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Oxygen cylinders used for autogenous (cutting/welding) purposes are Heat treated before use Welded steel cylinders Seamless & made of steel Made by sand casting Heat treated before use Welded steel cylinders Seamless & made of steel Made by sand casting ANSWER DOWNLOAD EXAMIANS APP