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  1. The two elements required to form substitutional solid solution should not have
  2. Mild steel has __________ crystal lattice structure.
  3. Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other…
  4. The main charge in blast furnace is usually
  5. __________ of test specimens is not involved in any hardness testing method.
  6. Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying…
  7. At the point of boundary layer separation in fluid flow, the
  8. Wrought iron is never shaped by
  9. Water-tube boiler is the one, in which
  10. The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction…
  11. Shrinkage allowance on pattern is provided to compensate for shrinkage when the
  12. The 'laughing gas' is
  13. Fatigue limit improvement by over stressing the metal by successively increasing the load is called…
  14. For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other…
  15. Often earing defects are found during deep drawing operation, because the
  16. Heat transfer by __________ is almost absent in case of fluidised bed drying operation.
  17. Identify the correct statement with reference to the extractive metallurgy of aluminium.
  18. During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional…
  19. A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm2.
  20. Which of the following if present in iron ore, enhances its value?
  21. The product out from a cupola is called
  22. Young's modulus of a material is the measure of its
  23. Leakage in a cooking gas cylinder is detected by
  24. In the acid Bessemer process, the hot metal should have the following composition.
  25. Joining of thin foils is preferred to be done by
  26. The product (s) of roasting of a sulphide ore is (are)
  27. Alloy powder manufactured by the following process have spherical shapes.
  28. The only suitable method for hardening the low carbon steel is case hardening. Which of the following…
  29. A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation…
  30. Glycerine is used as a coolant in cooling of some engines instead of water, because