Chemical Engineering Basics Atomic __________ of an element is a whole number. Volume Weight Number Radius Volume Weight Number Radius 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, zirconium & molybdenum Cobalt, chromium & nickel Molybdenun, tungsten & chromium Cobalt, chromium & tungsten Cobalt, zirconium & molybdenum Cobalt, chromium & nickel Molybdenun, tungsten & chromium ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics 1% concentration of water vapor in air is equivalent to __________ ppm (parts per million). 10000 1000 100 10 10000 1000 100 10 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Toughness of a material is measured by the Vicker's hardness test Scratch test Notched bar test Universal testing machine Vicker's hardness test Scratch test Notched bar test Universal testing machine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Maraging steels derive their strength from the following mechanism: Fine dispersions of intermetallics of Fe, Ni, Ti etc Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of Fe₃ C nucleated on dislocations in austenite A fine, highly dislocated and strong martensite Fine dispersions of intermetallics of Fe, Ni, Ti etc Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of Fe₃ C nucleated on dislocations in austenite A fine, highly dislocated and strong martensite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature. Shows inversion of solubility Decreases None of these Increases Shows inversion of solubility Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
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