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Trepanning is performed for

A. Finishing a drilled hole

B. Producing a large hole without drilling

C. Truing a hole for alignment

D. Enlarging a drilled hole

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  1. The correct sequence of the following parameters in order of their maximum to minimum influence on tool…
  2. Hot rolling of mild steel is carried out
  3. In up-cut milling the work piece is fed
  4. In machining metals, chips break due to __________ of work material.
  5. The hardness of a grinding wheel is specified by
  6. The common welding error that occurs due to wrong speed, faulty preparation, and high / low current,…
  7. The chuck used for setting up of heavy and irregular shaped work should be
  8. The operation performed on a shaper is
  9. An important geometrical quantity in the cutting of metals which can be used as a criterion for machinability…
  10. A solid cylinder of diameter 100 mm and height 50 mm is forged between two frictionless flat dies to…
  11. What type of fusion welding process is used for welding sheet metals of all engineering metals (except…
  12. The height of each tooth of a broach is
  13. A dense structure of a grinding wheel is used for
  14. Glazing in grinding wheels __________ cutting capacity.
  15. The average cutting speed for turning mild steel with a high speed steel tool is
  16. The tool made of cemented carbide wear out faster at
  17. A type of welding flows, which is the result of a perfect proportion and mixture of acetylene and oxygen…
  18. The purpose of jigs and fixtures is to
  19. A single point tool has
  20. In centre less grinders, the maximum angular adjustment of the regulating wheel is
  21. A twist drill is specified by its
  22. The mechanism of material removal in EDM process is
  23. The process of changing the shape of grinding wheel as it becomes worn due to breaking away of the abrasive…
  24. A bottoming tap has
  25. The different spindle speeds on a lathe form
  26. Tumbler gears in lathe are used to
  27. The trade name of a nonferrous cast alloy composed of cobalt, chromium and tungsten is called
  28. The relief or clearance at the cutting edge of a flat drill varies from
  29. Quality screw threads are produced by
  30. Match the items of List-I (Equipment) with the items of List-II (Process) and select the correct answer…