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The diaphragm moulding machine is used to

A. Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould

B. Ram the sand harder at the back of the mould and softer on the pattern face

C. Produce uniform packing of sand in the mould

D. Give uniform sand hardness throughout the mould

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

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  1. In forehand welding, the angle between the welding rod and the work is kept as
  2. In ________ welding, the weld may be made either from left to right or from right to left.
  3. The type of file used for a wood work is
  4. The property of sand due to which it evolves a great amount of steam and other gases is called
  5. The operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called
  6. The property of sand due to which the sand grains stick together is called
  7. The metal patterns as compared to wooden patterns require less
  8. In a cold chamber die casting machine, only nonferrous alloys with _________ are casted.
  9. The temperature of the inner luminous cone of neutral flame is about
  10. For gas welding, the pressure desired at the welding torch for oxygen is
  11. In a gas welding of mild steel using an oxyacetylene flame, the total amount of acetylene consumed is…
  12. The operation of cutting of a flat sheet to the desired shape is called
  13. A jolt machine is used to
  14. Lancing is the operation of
  15. The tolerance produced by shell moulding process of casting is
  16. The process of decreasing the cross-section of a bar and increasing its length, is called
  17. In die casting, machining allowance is
  18. The accuracy of micrometers, calipers, dial indicators can be checked by a
  19. To prevent the body of the blade from jamming in the saw cut, the teeth of blade are
  20. Green sand is a mixture of
  21. A moving mandrel is used in
  22. A progressive limit gauge has
  23. In spot welding, the spacing between two spot weld should not be less than
  24. A sand employed on the faces of the pattern before moulding, is called
  25. Which of the following methods can be used for manufacturing 2 metre long seamless metallic tubes?
  26. The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is
  27. In forehand welding, the angle between the welding torch and the work is ________ as compared to backhand…
  28. In a hot chamber die casting machine
  29. The increase in hardness due to cold working, is called
  30. For smoothing and cleaning out depressions in the mould, a __________ is used.