What is the type of welding defect caused due to poor manipulation of weld rod or a dirty joint called?

A. Porosity

B. Undercut

C. Under fill

D. Crack

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

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  1. Crack in grinding wheel is developed due to
  2. When the tool moves parallel to the lathe axis, the movement is termed as
  3. The tool may fail due to
  4. The chamfering is an operation of
  5. The percentage of carbon in gray cast iron is in the range of
  6. The tap used to cut threads in a blind hole is
  7. The size of a shaper is given by
  8. A __________ grinding wheel is used to grind soft materials.
  9. The method of centre less grinding used to produce taper is
  10. Which of the following operation is first performed?
  11. A push broach as compared to pull broach
  12. Flank wear depends upon the
  13. The structure of a grinding wheel depends upon
  14. Internal or external threads of different pitches can be produced by
  15. Which of the following statement is wrong about ultrasonic machining?
  16. Which of the following arc welding processes does not use consumable electrodes?
  17. In a metal arc welding process, a gas metal arc welding with magnetized flux is used and can be done…
  18. Crater wear occurs mainly on the
  19. The silicon carbide abrasive is chiefly used for grinding
  20. In order to achieve a specific surface finish in single point turning, the most important factor to…
  21. Jigs are used
  22. When the shear angle is large
  23. The strength of a brazed joint
  24. The operation of machining several surfaces of a workpiece simultaneously is called
  25. The abrasive recommended for grinding materials of low tensile strength is
  26. The thrust force will increase with the increase in
  27. The broaching operation in which the work moves past the stationary tool is called
  28. The top and sides of the table of a shaper usually have
  29. In DC arc welding, if leads are arranged in work as Negative pole of the welding arc and electrode as…
  30. Which of the following parameters influence the axial feed rate in centerless grinding?