Chemical Engineering Basics On increasing the yield strength of a steel from 450 to 650 MPa, its __________ will increase. Modulus of toughness Modulus of resilience Ultimate tensile strength (UTS) Percent elongation Modulus of toughness Modulus of resilience Ultimate tensile strength (UTS) Percent elongation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are Cobalt, chromium & nickel Cobalt, chromium & tungsten Cobalt, zirconium & molybdenum Molybdenun, tungsten & chromium Cobalt, chromium & nickel Cobalt, chromium & tungsten Cobalt, zirconium & molybdenum Molybdenun, tungsten & chromium 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 The most important material handling system in an integrated steel plant is the Diesel locomotive Overhead hoists & cranes Truck Belt conveyor Diesel locomotive Overhead hoists & cranes Truck Belt conveyor ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Limestone addition in the blast furnace is done to flux __________ present in the raw materials. SiO₂ P Al2O₃ MnO₂ SiO₂ P Al2O₃ MnO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials having __________ lattice structure are usually the most ductile. Body centred cubic (bcc) Hexagonal close packed (hcp) None of these Face centred cubic (fcc) Body centred cubic (bcc) Hexagonal close packed (hcp) None of these Face centred cubic (fcc) ANSWER DOWNLOAD EXAMIANS APP
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