Q1. In drilling machine to make a Φ15 mm hole, determine the spindle speed? Take cutting Speed is 25m/min.
Q2. Write down the precautions to be taken care while hacks awing?
Q3. Illustrate the common drill holding devices?
Q4. Illustrate the various types of files? Describe any one?
Q5. List out some of the nomenclature of a drill bit with a diagram?
Q6. Describe the two methods of filing?
Q7. Illustrate the functions of the coolant?
Q8. Describe the properties of cutting tool materials?