Chemical Engineering Basics Presence of small quantity of sulphur in low carbon steel improves its Machinability Hardenarality Formability Weldability Machinability Hardenarality Formability Weldability ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Free oxygen is removed from boiler feed water, because it Reduces heat transfer co-efficient None of these Is corrosive Causes explosion Reduces heat transfer co-efficient None of these Is corrosive Causes explosion ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Sub zero treatment of steel is done to 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 Suppress martensite transformation Enhance its working performance in sub zero atmosphere Reduce the retained austenite in hardened steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Steel produced from phosphatic iron is __________ in nature. Brittle Ductile Tough Malleable Brittle Ductile Tough Malleable ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Plastic deformation of material does not occur Initation of crack occurs on the surface of the machine part Initiation of crack from below the surface does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Plastic deformation of material does not occur Initation of crack occurs on the surface of the machine part Initiation of crack from below the surface does not occur ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material? Steel Glass Brass Rubber Steel Glass Brass Rubber ANSWER DOWNLOAD EXAMIANS APP
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