Chemical Engineering Basics Sub zero treatment of steel is done to Induce temper brittleness after its hardening Suppress martensite transformation Reduce the retained austenite in hardened steel Enhance its working performance in sub zero atmosphere Induce temper brittleness after its hardening Suppress martensite transformation Reduce the retained austenite in hardened steel Enhance its working performance in sub zero atmosphere ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Lime contains about 90% CaO. Percentage CaO present in limestone is about 80 50 25 70 80 50 25 70 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is an example of cathodic protection of metals against corrosion ? Painted steel Lead lined reactor Galvanised iron Case hardened steel Painted steel Lead lined reactor Galvanised iron Case hardened steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Milligram of KOH required to saponify 1 gm of oil is called its __________ number. Precipitation Saponification Acid Emulsion Precipitation Saponification Acid Emulsion ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A controller action in which there is a con-tinous relation between the values of controlled variable and the rate of change of conrolled output signal is called the __________ action. Integral Derivative None of these Proportional Integral Derivative None of these Proportional ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Specific __________ is a dimensionless quantity. Humidity Weight Heat None of these Humidity Weight Heat None of these ANSWER DOWNLOAD EXAMIANS APP
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