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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

Correct Answer : C.


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  2. As the cutting speed increases, the tool cutting forces
  3. The main purpose of a boring operation, as compared to drilling, is to
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  11. Which of the following statement is wrong?
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  14. When two main plates are kept in alignment butting each other and riveted with cover plate on both sides…
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  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
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  22. The cutting speed for drilling copper with high speed steel drills varies from
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  24. The rake angle of a single point cutting tool corresponds to _________ of a twist drill.
  25. Ultrasonic machining is best suited for
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  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
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