Chemical Engineering Basics Silicon crystal can be converted to p-type semi-conductor by doping with Nitrogen Carbon Phosphorous Boron Nitrogen Carbon Phosphorous Boron ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The process of removal of scale formed during hot rolling of steel is termed as Skimming Shot blasting Descaling Pickling Skimming Shot blasting Descaling Pickling ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Tempering of a material does not improve its Softness Machinability Toughness Internal stress level Softness Machinability Toughness Internal stress level ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The stress at which a metal fails by fatigue lies In the elastic range None of these Near the fracture point of the stress-strain curve In the plastic range In the elastic range None of these Near the fracture point of the stress-strain curve In the plastic range ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Carbon is present in the form of __________ in grey cast iron. Spheroids Cementite Nodular aggregates of graphite Flakes Spheroids Cementite Nodular aggregates of graphite Flakes ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Sub zero treatment of steel is done to Reduce the retained austenite in hardened steel Induce temper brittleness after its hardening Enhance its working performance in sub zero atmosphere Suppress martensite transformation Reduce the retained austenite in hardened steel Induce temper brittleness after its hardening Enhance its working performance in sub zero atmosphere Suppress martensite transformation ANSWER DOWNLOAD EXAMIANS APP