Chemical Engineering Basics Sub zero treatment of steel is done to 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 Induce temper brittleness after its hardening ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Circulation of liquid metal (i.e. molten sodium) in a liquid metal cooled nuclear reactor is done by a/an __________ pump. Reciprocating Diaphragm Electromagnetic Axial flow Reciprocating Diaphragm Electromagnetic Axial flow ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials having resistivity ranging from 1 to 100 ohm. cm is termed as Insulator Semi-conductor None of these Conductor Insulator Semi-conductor None of these Conductor ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Blast furnace slag is mainly molten Sand Iron pyrite Magnesium silicate Calcium silicate Sand Iron pyrite Magnesium silicate Calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics 'Flare tower' used in industry is meant for Venting off (after burning) the excess inflammable/toxic gases at high pressure Cooling of furnace exhaust gases Absorbing the pollutant gases from the furnace exhaust None of these Venting off (after burning) the excess inflammable/toxic gases at high pressure Cooling of furnace exhaust gases Absorbing the pollutant gases from the furnace exhaust None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? Initation of crack occurs on the surface of the machine part Initiation of crack from below the surface does not occur Plastic deformation of material does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initation of crack occurs on the surface of the machine part Initiation of crack from below the surface does not occur Plastic deformation of material does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface ANSWER DOWNLOAD EXAMIANS APP