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In which of the following machine, the work is usually rotated while the drill is fed into work?

A. Sensitive drilling machine

B. Radial drilling machine

C. Gang drilling machine

D. Deep hole drilling machine

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  1. In centreless grinding, the surface speed of regulating wheel is
  2. Trepanning is performed for
  3. The in-feed grinding is used to
  4. In grinding irregular, curved, tapered, convex and concave surfaces, the grinder used is
  5. The method of grinding used to produce a straight or tapered surface on a workpiece, is
  6. Misrun is a casting defect which occurs due to
  7. The cutting angle of a flat drill varies from
  8. Side relief angle of a single point tool is the angle
  9. The lathe spindles at the nose end have
  10. Flank wear occurs mainly on the
  11. The broaching operation in which either the work or the tool moves across the other, is known as
  12. The type of reamer used for reaming soft aluminium or copper, is
  13. When the temperature of a solid metal increases,
  14. The size of a shaper is given by
  15. The operation of producing grooves around the periphery of a cylindrical or conical workpiece is called
  16. Twist drills are made of
  17. Allowance in limits and fits refers to
  18. High speed steel drills can be operated at about _________ the speed of high carbon steel drills.
  19. In a metal arc welding process, metal transfer across the arc may take place by a method of material…
  20. The swing diameter over the bed is ________ the height of the centre measured from the bed of the lathe.
  21. Continuous chips with built up edge are formed during machining of
  22. Ceramic cutting tools are
  23. A grinding wheel becomes glazed (i.e. cutting edge takes a glasslike appearance) due to
  24. A dynamometer is a device used for the measurement of
  25. When the tool moves parallel to the lathe axis, the movement is termed as
  26. Two 1 mm thick steel sheets are to be spot welded at a current of 5000 A. Assuming effective resistance…
  27. In a metal arc welding process, a gas metal arc welding with magnetized flux is used and can be done…
  28. In centreless grinding, work place centre will be
  29. The cutting speed is maximum while machining __________ with a high speed steel tool.
  30. In ultrasonic machining, the metal is removed by