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Larger than 15° side cutting edge angle

A. Increases tool life

B. Decreases tool life

C. Produces chipping and decreases tool life

D. Results in excessive stress concentration and greater heat generation

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  2. Continuous chips with built up edge are formed during machining of
  3. In gear hobbing
  4. The correct sequence of tool materials in increasing order of their ability to retain their hot hardness…
  5. The common welding error that occurs due to shrinkage of weld metal, faulty clamping of parts, faulty…
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  7. Which of the following arc welding processes does not use consumable electrodes?
  8. The lead screw of a lathe has _________ threads.
  9. The facing is an operation of
  10. When the cutting edge of the tool is dull, then during machining
  11. The factor considered for evaluation of machinability is
  12. A 15 mm drilling machine means that it can drill a hole
  13. Threading is an operation of
  14. Which of the following process is used for preparing parts having large curved surfaces and thin sections?
  15. The object of caulking in a riveted joint is to make the joint
  16. The structure of a grinding wheel depends upon
  17. In centreless grinders, the regulating wheel is inclined at
  18. The cutting force in up milling __________ per tooth movement of the cutter.
  19. The cutting speed is minimum while machining _________ with a high speed steel tool.
  20. Two 1 mm thick steel sheets are to be spot welded at a current of 5000 A. Assuming effective resistance…
  21. A right hand tool on a lathe cuts most efficiently when it travels
  22. For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is
  23. In an interchangeable assembly, shafts of size 25.000 -0.010⁺⁰⁰⁴⁰…
  24. A shaft has a dimension, φ9 +0.025⁺⁰⁰⁰⁹, the respective values…
  25. In a particular type of welding, flux is prepared in the form of a coarse powder and granulated flux…
  26. The chamfering is an operation of
  27. In electro discharge machining, tool is made of
  28. It is desired to perform the operations like drilling, reaming, counter-boring etc. on a work piece.…
  29. Negative rakes are used for
  30. The operation of machining several surfaces of a workpiece simultaneously is called