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Wrought iron is never shaped by

A. Casting

B. Cold working

C. Forging

D. Welding

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  1. In inventory control theory, the economic order quantity (EOQ) is the
  2. Wrought iron is not
  3. Brinell Hardness Number (BHN) for talc is approximately in the range of
  4. __________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it…
  5. Drossing is a __________ operation.
  6. The behaviour of a metal specimen, which when plastically strained in tension reduces its yield stress…
  7. A jig is used while __________ a hole.
  8. Iron content in Indian iron ore is about __________ percent.
  9. The mechanism which changes the value of manipulated variable in response to the output signal from…
  10. Primary designation of steel is based on its
  11. Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the…
  12. An abrupt and sudden fall in the reading of barometer is an indication of the
  13. Diamagnetic materials
  14. Increasing sulphur content in pig iron tends to make it
  15. With increase in __________ Knocking tendency in a spark ignition petrol engine decreases.
  16. Cementite is in the lamellar form in the __________ phase of steel.
  17. Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the…
  18. __________ is not used as a material of construction in thermocouples.
  19. Ammonia leakage in the refrigeration system is detected by
  20. __________ is the hardest material out of the following.
  21. A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation…
  22. Absolute zero pressure can be attained at a temperature of
  23. Change in volume of metals from absolute zero temperature to their melting points is
  24. Density in the solid state is slightly less than that in its liquid state, in case of
  25. Air-petrol ratio for maximum power generation in spark ignition engine is about
  26. Electrochemical corrosion can occur, only if __________ is present in contact with metal.
  27. Air intake for an air compressor should be preferably taken from
  28. Which of the following heat treatment processes is usually applied to castings?
  29. The most abundant metal present in the earth's crust is;
  30. The phenomenon occurring during explosion of a hydrogen bomb is