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What is the type of welding defect caused due to shrinkage during solidification and by weld stresses called?

A. Incomplete fusion

B. Lamellar tearing

C. Mismatch

D. Shrinkage void

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  4. If a particular Fe-C alloy contains less than 0.83% carbon, it is called
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  6. The relation between the tool life (T) in minutes and cutting speed (V) in m/min is (where n = An exponent,…
  7. A broach has
  8. The material which on machining produces chips with built up edge is
  9. The stroke of a shaping machine is 250 mm. It makes 30 double strokes per minute. The overall average…
  10. A twist drill is a
  11. The operation of machining several surfaces of a workpiece simultaneously is called
  12. Low helix angle drills are preferred for drilling holes in
  13. A lathe with four steps on the cone pulley and with back-gears will have
  14. The floating position of the holding fixture in a rotary transfer device is used to
  15. A lead-screw with half nuts in a lathe, free to rotate in both directions has
  16. In a plain milling cutter, the chip space between the back of one tooth and the face of the next tooth…
  17. In which of the following milling machine, the table can be tilted in a vertical plane by providing…
  18. EDM machining is applied for
  19. A mandrel is used to hold
  20. Glazing in grinding wheels __________ cutting capacity.
  21. Glazing in grinding wheels can be decreased by
  22. The type of tool used on milling machine and broaching machine is
  23. The surface finish is improved by the increase in
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  25. The grinding of long, slender shafts or bars is usually done by
  26. In hot machining, tool is made of
  27. The effective number of lattice points in the unit cell of simple cubic, body centred cubic, and face…
  28. In a centre lathe, the cutting tool is fed in _________ with reference to the lathe axis.
  29. Ceramic tools are fixed to tool body by
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