Chemical Engineering Basics 1% concentration of water vapor in air is equivalent to __________ ppm (parts per million). 100 10 10000 1000 100 10 10000 1000 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following metals is the most prone to work hardening? Brass Copper Lead Aluminium Brass Copper Lead Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The process of removal of scale formed during hot rolling of steel is termed as Pickling Skimming Descaling Shot blasting Pickling Skimming Descaling Shot blasting ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Coke is added in the blast furnace to Increase the fluidity of slag Remove sulphur & phosphorus from molten metal Reduce & melt the iron ore None of these Increase the fluidity of slag Remove sulphur & phosphorus from molten metal Reduce & melt the iron ore None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Air standard Otto cycle is more efficient than the diesel cycle for the same Heat addition & compression ratio Compression ratio & pressure Cylinder dimension & rpm Heat addition & pressure Heat addition & compression ratio Compression ratio & pressure Cylinder dimension & rpm Heat addition & pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Sub zero treatment of steel is done to Suppress martensite transformation Enhance its working performance in sub zero atmosphere Reduce the retained austenite in hardened steel Induce temper brittleness after its hardening Suppress martensite transformation Enhance its working performance in sub zero atmosphere Reduce the retained austenite in hardened steel Induce temper brittleness after its hardening ANSWER DOWNLOAD EXAMIANS APP
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