Chemical Engineering Basics In extrusion of metals, which of the following statement is true ? Hollow ram is used for indirect extrusion Relative motion between the billet surface and the container wall is always present Speed of the extruded material is same as that of ram speed Redundant work is a function of the die angle Hollow ram is used for indirect extrusion Relative motion between the billet surface and the container wall is always present Speed of the extruded material is same as that of ram speed Redundant work is a function of the die angle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In the Bayer's process, bauxite is digested under pressure using NaOH HCl H₂SO₄ NH₃ NaOH HCl H₂SO₄ NH₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The approximate height of a blast furnace having a useful volume of 2000 m³ is about __________ metres 55 35 75 25 55 35 75 25 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The most commonly used combustion system manufactured in India for the thermal power plant boilers is the __________ combustion system. Circulating fluidised bed Travelling grate stoker firing Pulverised fuel Fluidised bed Circulating fluidised bed Travelling grate stoker firing Pulverised fuel Fluidised bed ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the Velocity of the fluid Length of the pipe Diameter of the pipe Density of the fluid Velocity of the fluid Length of the pipe Diameter of the pipe Density of the fluid ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics On decreasing the grain size of a polycrys-talline material, the property most likely to deteriorate is Toughness Tensile strength Fatigue Creep Toughness Tensile strength Fatigue Creep ANSWER DOWNLOAD EXAMIANS APP