Chemical Engineering Basics In extrusion of metals, which of the following statement is true ? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Cold cracking in the heat affected zone of a high strength steel weld can take place because of the Retained austenite Martensite formation Sufficient hydrogen present in the welding arc Relatively high sulphur content in the base metal Retained austenite Martensite formation Sufficient hydrogen present in the welding arc Relatively high sulphur content in the base metal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Paint spray gun works on the principle of None of these Boyle's law Bernoulli's theorem Newton's law of viscosity None of these Boyle's law Bernoulli's theorem Newton's law of viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are Molybdenun, tungsten & chromium Cobalt, chromium & tungsten Cobalt, chromium & nickel Cobalt, zirconium & molybdenum Molybdenun, tungsten & chromium Cobalt, chromium & tungsten Cobalt, chromium & nickel Cobalt, zirconium & molybdenum ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Rain drops falling through atmospheric air attain limited terminal velocity, because of Viscous force exerted by air Force of gravity Surface tension effects of water Upward thrust due to air Viscous force exerted by air Force of gravity Surface tension effects of water Upward thrust due to air ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For the same heat input & compression ratio, efficiency of Otto cycle is higher than that of diesel cycle, because in Otto cycle. Maximum temperature is higher Expansion & compression are isentropic Combustion is at constant volume Heat rejection is lower Maximum temperature is higher Expansion & compression are isentropic Combustion is at constant volume Heat rejection is lower ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS