Chemical Engineering Basics Sub zero treatment of steel is done to Induce temper brittleness after its hardening Enhance its working performance in sub zero atmosphere Reduce the retained austenite in hardened steel Suppress martensite transformation Induce temper brittleness after its hardening Enhance its working performance in sub zero atmosphere Reduce the retained austenite in hardened steel Suppress martensite transformation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Brinell Hardness Number (BHN) for talc is approximately in the range of 20-30 200-250 100-150 1-5 20-30 200-250 100-150 1-5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials having resistivity ranging from 1 to 100 ohm. cm is termed as Conductor Semi-conductor None of these Insulator Conductor Semi-conductor None of these Insulator ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Nitrogen is not an essential component of Protein Urea Oils & fats Any of these Protein Urea Oils & fats Any of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is Full annealing None of these Bright annealing Patenting Full annealing None of these Bright annealing Patenting ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The approximate height of a blast furnace having a useful volume of 2000 m³ is about __________ metres 35 25 55 75 35 25 55 75 ANSWER DOWNLOAD EXAMIANS APP
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