11A. Explain any five safety precautions to be followed while working on grinding machine. (5 marks) 11B. A component as shown in the figure has to be machined on lathe machine. Determine the taper angle for the compound rest setting and setover for tailstock to machine the taper. Suggest the appropriate method for the component with justification and diagram. (Compound rest method 1.5 marks, setover method 1.5 marks, Justification 0.5, Diagram 1.5 marks)