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When the end of a tap is tapered for about three or four threads, it is known as a

A. Taper tap

B. Bottoming tap

C. Second tap

D. None of these

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. A left hand tool on a lathe cuts most efficiently when it travels
  2. The soft grade grinding wheels are denoted by the letters
  3. The operation performed on a shaper is
  4. The factor responsible for the formation of continuous chips with built up edge is
  5. A better machinable metal is one which gives
  6. In _________ operation, the cutting force is maximum when the tooth begins its cut and reduces it to…
  7. For machining a mild steel workpiece by a high speed steel tool, the average cutting speed is
  8. The grinding of long, slender shafts or bars is usually done by
  9. When two main plates are kept in alignment butting each other and riveted with cover plate on both sides…
  10. Crater wear is predominant in
  11. In a shaper, the length of stroke is increased by
  12. In centreless grinding, the surface speed of regulating wheel is
  13. The structure of a grinding wheel depends upon
  14. In drilling operation, the metal is removed by
  15. The facing is an operation of
  16. The relation between the tool life (T) in minutes and cutting speed (V) in m/min is (where n = An exponent,…
  17. Which of the following statement is correct in regard to centreless grinding?
  18. The common welding error that occurs due to wrong speed, faulty preparation, and high / low current,…
  19. In machining metals, chips break due to __________ of work material.
  20. Discontinuous chips are formed during machining of
  21. The lathe centres are provided with standard taper known as
  22. The silicon carbide abrasive is chiefly used for grinding
  23. A type of welding flows, which is the result of a perfect proportion and mixture of acetylene and oxygen…
  24. The tap used to cut threads in a blind hole is
  25. In order to grind soft material
  26. In oblique cutting system, the cutting edge of the tool
  27. Dielectric is used in
  28. The crystal structure of austenite is
  29. The snag grinding is done
  30. The vector sum of cutting velocity and chip velocity is __________ shear velocity.