Chemical Engineering Basics Surface tension is due to the __________ forces. Adhesive Viscous Difference between adhesive & cohesive Cohesive Adhesive Viscous Difference between adhesive & cohesive Cohesive ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are Cobalt, chromium & tungsten Cobalt, chromium & nickel Cobalt, zirconium & molybdenum Molybdenun, tungsten & chromium Cobalt, chromium & tungsten Cobalt, chromium & nickel Cobalt, zirconium & molybdenum Molybdenun, tungsten & chromium ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The stress at which a metal fails by fatigue lies None of these In the elastic range Near the fracture point of the stress-strain curve In the plastic range None of these In the elastic range Near the fracture point of the stress-strain curve In the plastic range ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Coke is added in the blast furnace to Increase the fluidity of slag None of these Reduce & melt the iron ore Remove sulphur & phosphorus from molten metal Increase the fluidity of slag None of these Reduce & melt the iron ore Remove sulphur & phosphorus from molten metal 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. Expansion & compression are isentropic Maximum temperature is higher Combustion is at constant volume Heat rejection is lower Expansion & compression are isentropic Maximum temperature is higher Combustion is at constant volume Heat rejection is lower ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In radiative heat transfer, a grey surface is the one, which has Zero reflectivity Equal brightness in all directions Emissivity independent of wavelength Grey appearance to the eye Zero reflectivity Equal brightness in all directions Emissivity independent of wavelength Grey appearance to the eye ANSWER DOWNLOAD EXAMIANS APP
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