Cupola produces __________ iron.

A. Pig

B. Cast

C. Wrought

D. Carbon free

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  1. Coarse grained steels have
  2. Maraging steels derive their strength from the following mechanism:
  3. Preheating before welding is done to
  4. A highly elastic material is deformed least on loading and retains its original form on removal of the…
  5. Viscoelastic behaviour is observed in __________ materials.
  6. Which of the following metals is the most prone to work hardening?
  7. With increase in compression ratio, the volumetric efficiency of air compressor
  8. Potable water means the water used for
  9. 'Flare tower' used in industry is meant for
  10. Encyclopaedia of Chemical Technology has been
  11. Gratings is associated with the measurement of
  12. Titanium is added to molten aluminium alloys before casting for the purpose of
  13. __________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it…
  14. Resilience of a bolt can be increased by increasing its
  15. Photographic plates are coated with
  16. Enzymes belong to the category of
  17. The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________…
  18. Which of the following commonly used condenser tube materials has the lowest thermal conductivity?
  19. Machinability of hard alloys and tool steels is improved by
  20. The highest stress that a material can withstand for a specified length of time without excessive deformation…
  21. Which of the following materials has the poorest electrical conductivity?
  22. Consumable electrodes are used in the __________ welding.
  23. In an eutectic system, two elements are completely
  24. Capacity & power requirement for an air compressor working at high altitude compared to sealevel will…
  25. Consider an ideal solution of components A and B. The entropy of mixing per mole of an alloy containing…
  26. Which one can be directly solidified from gaseous state without entering into liquid state?
  27. The ability of tool steel to resist softening at high temperatures is termed as __________ hardness.
  28. Name the safety device used to protect the boiler, when the water level falls below a minimum level.
  29. Nitriding of a steel part does not increase its
  30. Which of the following can be manufactured using powder metallurgy techniques?