INTERVIEW QUESTIONS OF MACHINE TOOLS

INTERVIEW QUESTIONS OF MACHINE TOOLS

PART-A

1. Write down any four operations performed by a shaper.

2. Define feed and depth of cut.

3. What is the function of clapper block in a planner?

4. What are the differences between up milling and down milling?

5. Define “Face milling “.

6. Write down the rule for gear ratio in differential indexing.

7. How do you specify radial drilling machine.

8. Write down any four operations performed by a drilling machine.

9. What is meant by “Sensitive hand feed”?

10. Calculate the tap drill size to cut an internal thread for bolt of outside diameter 10mm,

pitch 1.5mm and depth of the thread 0.61 pitch.



PART-B

1. With a simple sketch, explain the working of the crank and slotted link quick return

motion mechanism used in shaper.

2. Write down any four differences between shaper and planer. .

3. Explain the Working principle of planer with a neat sketch.

4. How do you specify a planer?

5. Describe the working mechanism of a universal dividing head, with neat diagram.

6. With a neat sketch, indicate the various parts of an arbor assembly.

7. With a simple sketch, explain the principal parts and angles of a plain milling cutter Explain them.

8. Explain the twist drill nomenclature and define various elements of twist drill.

9. With a simple sketch, explain the working of a vertical boring machine.

10. Explain the counter boring and counter ringing operation.

11. Explain the Working principle of a Jig boring machine with a neat sketch.

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