Quality screw threads are produced by

A. Thread milling

B. Thread chasing

C. Thread cutting with single point tool

D. Thread casting

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

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  1. As the cutting speed increases, the tool cutting forces
  2. Jigs are used
  3. The lathe centres are provided with standard taper known as
  4. In the relation VTn = C, the value of n for ceramic tools is
  5. The hardness of a grinding wheel is specified by
  6. An expendable pattern is used in
  7. The usual value of the helix angle of a drill is
  8. Gear lapping is an operation
  9. The silicon carbide abrasive is chiefly used for grinding
  10. A feed gear box for a screw cutting lathe is designed on the basis of
  11. The angle formed by the leading edge of the land with a plane having the axis of the drill, is called
  12. The material which on machining produces chips with built up edge is
  13. Work speed of circular electrode of 220 mm diameter for carrying out seam welding at 4 welds per cm…
  14. The lathe spindles at the nose end have
  15. Any number of equal divisions can be obtained on milling machine by
  16. In a single point turning operation with a cemented carbide and steel combination having a Taylor exponent…
  17. For fast removal of materials during grinding, a _________ grinding wheel is used.
  18. When two main plates are kept in alignment butting each other and riveted with cover plate on both sides…
  19. In order to achieve a specific surface finish in single point turning, the most important factor to…
  20. In ultrasonic machining, tool is made of
  21. The average cutting speed for turning brass with a high speed steel tool is
  22. A drill mainly used in drilling brass, copper or softer materials, is
  23. The angle between the face and flank of the single point cutting tool is known as
  24. The lead screw of a lathe has _________ threads.
  25. For softer materials, the point angle of the drill is kept
  26. The structure of a grinding wheel depends upon
  27. Larger end cutting edge angle _________ tool life.
  28. The velocity of tool along the tool face is known as
  29. The advantage of a broaching operation is that
  30. The helix angle of a drill is __________ for drilling brass.