Chemical Engineering Basics Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are Cobalt, chromium & nickel Cobalt, chromium & tungsten Molybdenun, tungsten & chromium Cobalt, zirconium & molybdenum Cobalt, chromium & nickel Cobalt, chromium & tungsten Molybdenun, tungsten & chromium Cobalt, zirconium & molybdenum 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
Chemical Engineering Basics Ultimate strength in tension as compared to that in shear for steel is One fourth One and half times Half One third One fourth One and half times Half One third ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Chlorine acts as a bleaching agent only in the presence of Moisture Dry air Pure oxygen Sunlight Moisture Dry air Pure oxygen Sunlight ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Super conduction in metals is observed at a temperature of __________ °K. About 273 About 373 >100 About 273 About 373 >100 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The predominant mode of heat transfer which takes place from boiler furnace to water walls of a boiler is Both A & B Conduction Convection Radiation Both A & B Conduction Convection Radiation ANSWER DOWNLOAD EXAMIANS APP
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