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In a CNC program block, N002 GO2 G91 X40 Z40......, GO2 and G91 refer to

A. Circular interpolation in counter clockwise direction and incremental dimension

B. Circular interpolation in counter clockwise direction and absolute dimension

C. Circular interpolation in clockwise direction and incremental dimension

D. Circular interpolation in clockwise direction and absolute dimension

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  1. The drill spindles are provided with standard taper known as
  2. As the cutting speed increases, the tool cutting forces
  3. The main purpose of a boring operation, as compared to drilling, is to
  4. The cutting fluid mostly used for machining alloy steels is
  5. If a gas metal arc process uses a low arc voltage and the arc is continuously interrupted as the molten…
  6. The primary purpose of a sprue in a casting mould is to
  7. Gears can be best produced on mass production by
  8. A set of eight form relieved milling cutters for each module is provided to enable cutting of gears…
  9. The shear velocity is the velocity of
  10. The process of removing metal by a cutter which is rotated in the same direction of travel of workpiece,…
  11. Which of the following statement is wrong?
  12. A twist drill is specified by its
  13. If the tearing efficiency of a riveted joint is 50%, then ratio of rivet hole diameter to the pitch…
  14. When two main plates are kept in alignment butting each other and riveted with cover plate on both sides…
  15. Which of the following statement is correct as regard to up milling?
  16. The tailstock set over required to turn a taper on the entire length of a workpiece having diameters…
  17. In a planer
  18. Negative rakes are used for
  19. The lathe spindles at the nose end have
  20. The method of grinding used to produce internal cylindrical holes and tapers, is
  21. Hardness of steel greatly improves with
  22. The cutting speed for drilling copper with high speed steel drills varies from
  23. The taper on the lathe spindle is
  24. The rake angle of a single point cutting tool corresponds to _________ of a twist drill.
  25. Ultrasonic machining is best suited for
  26. The chamfering is an operation of
  27. The point angle of a drill, for drilling stainless steel, is
  28. In the relation VTn = C, the value of n for carbide tools is
  29. The operation in which oil is permeated into the pores of a powder metallurgy product is known as
  30. In centre less grinders, the maximum angular adjustment of the regulating wheel is