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Engineering MaterialsChoose the correct option: The BCC structure of Fe-C solid solution is known as (i) Ferrite (ii) Pearlite (iii) Cementite (iv) Austenite20242mEngineering MaterialsChoose the correct option: Grey and spheroidal cast irons mainly differ in that the graphite phase is present as: (i) Flakes in grey iron and spheroidal nodules in spheroidal iron (ii) Cementite in grey iron and flakes in spheroidal iron (iii) Spheroidal nodules in grey iron and flakes in spheroidal iron (iv) Cementite in both alloys20252mEngineering MaterialsSketch the Fe-Fe_3C phase diagram and explain its key features.20257mEngineering MaterialsSketch iron-carbon equilibrium diagram and show the salient points.20246m
PreviousChoose the correct option: The eutectic reaction in a binary alloy system is best described as: (i) Liquid \rightarrow Solid 1 (ii) Liquid \rightarrow Solid 1 + Solid 2 (iii) Solid 1 \rightarrow Solid 2 + Solid 3 (iv) Liquid + Solid 1 \rightarrow Solid 2NextChoose the correct option: In a standard tensile test on a ductile metal, Young's modulus is obtained from: (i) The entire stress-strain curve up to fracture (ii) The slope of the initial linear portion of the engineering stress-strain curve (iii) The maximum load divided by original area (iv) The slope of the plastic region of the true stress-strain curve