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In gear hobbing

A. Only hob rotates

B. Only gear blank rotates

C. Both hob and gear blank rotates

D. Neither hob nor gear blank rotates

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  1. When the shear angle is large
  2. The abrasive recommended for grinding materials of low tensile strength is
  3. In DC arc welding, if leads are arranged in work as Negative pole of the welding arc and electrode as…
  4. The ductile materials, during machining, produce
  5. Hard and tough materials like cast iron should be turned at
  6. A CNC vertical milling machine has to cut a straight slot of 10 mm width and 2mm depth by a cutter of…
  7. In the relation VTn = C, the value of n for carbide tools is
  8. In drilling softer materials, the cutting speed is _________ as compared to harder materials.
  9. Drilling is an example of
  10. The lip angle is the angle
  11. In machining metals, surface roughness is due to
  12. The factor responsible for the formation of continuous chips with built up edge is
  13. The cutting speed is maximum while machining __________ with a high speed steel tool.
  14. In _________ operation, the cutting force is maximum when the tooth begins its cut and reduces it to…
  15. A twist drill is a
  16. Which of the following statement is correct about hot machining?
  17. Tool life is measured by the
  18. The tool life in case of a grinding wheel is the time
  19. The angle on which the strength of the tool depends is
  20. In metal cutting operations, the shear angle is the angle made by the shear plane with the
  21. Match the items of List-I (Equipment) with the items of List-II (Process) and select the correct answer…
  22. As tool and work are not in contact in EDM process
  23. A jig is defined as a device which
  24. The broaching operation in which either the work or the tool moves across the other, is known as
  25. What is the type of joining process called, where the parts to be welded are kept in contact and rotated…
  26. Gear lapping is an operation
  27. The usual value of the helix angle of a drill is
  28. The chamfering is an essential operation after
  29. The strength of a brazed joint
  30. The guideways are of