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What is the welding defect caused due to improper control and poor removal of slog between passes called?

A. Mismatch

B. Under fill

C. Crack

D. Porosity

Correct Answer : B.


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  2. The hardness of a grinding wheel is determined by the
  3. The ductile materials, during machining, produce
  4. The tool may fail due to
  5. The point angle of a drill, for drilling stainless steel, is
  6. The usual value of the helix angle of a drill is
  7. Gear finishing operation is called
  8. The snag grinding is done
  9. High speed steel cutting tools operate at cutting speeds _________ than carbon steel tools.
  10. The hardness of a grinding wheel is specified by
  11. Grinding wheels should be tested for balance
  12. Soft materials can not be economically ground due to
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  14. During normalizing process of steel, the specimen is heated
  15. Any number of equal divisions can be obtained on milling machine by
  16. During the execution of a CNC part program block NO20 GO2 X45.0 Y25.0 R5.0 ; the type of tool motion…
  17. Match the following metal forming processes with their associated stresses in the work piece. Metal…
  18. Internal or external threads of different pitches can be produced by
  19. The grinding wheel speed (surface speed in m/min) usually varies from
  20. Which of the following statement is correct regarding grinding of high carbon steel?
  21. The cutting speed of a drill depends upon the
  22. The abrasive slurry used in ultrasonic machining contains fine particles of
  23. A fine grained grinding wheel is used to grind
  24. In centreless grinding, the surface speed of regulating wheel is
  25. Side rake angle of a single point cutting tool is the angle
  26. A left hand tool on a lathe cuts most efficiently when it travels
  27. In which of the following machine, the work rotates and the tool is stationary?
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  29. In a CNC program block, N002 GO2 G91 X40 Z40......, GO2 and G91 refer to
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