Question 1:Based on the figure below one can say that if the cooling rate T=Gv exceeds 102K/s : A. Stability limit is exceeded and the solidification morphology is cellular B. Stability limit is exceeded and the solidification morphology is dendritic C. Stability limit is exceeded yet and the solidification morphology is cellular D. All answers are incorrect. Question2: Based on the figure one can say that if the growth rate is between 102 and 1mm/s : A. The solidification morphology is always cells. B. The solidification morphology is always columnar dendrite. C. The solidification morphology is always equiaxed dendrite. D. All above answers are incorrect. Question 3: in figure below, Case b describes: b c A. Concentration distribution of element B at solid/liquid interface in front of and phases B. Concentration distribution of element A at solid/liquid interface in front of and phases C. Concentration distribution of element B at / interface D. Concentration distribution of element A at / interface Question 4: If the phase diagram is like a picture below, one can predict that the eutectic will have: A. Lamellar structure B. Fiber(rod-like) structure C. Normal structure D. Anomalous structure