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Addition of __________ to steel does not help in improving its machinability.

A. Sulphur

B. Silicon

C. Lead

D. Phosphorous

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

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  3. Glass reacts with
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  5. Pick out the wrong statement.
  6. Screws are specified by their __________ diameters.
  7. Copper deposits are found in India at the following location:
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  13. The most abundant metal present in the earth's crust is;
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  15. An ideal material for making cooking vessels should have
  16. Lap joints are preferred over butt joints in soldering/brazing, because these joints are
  17. Globular form of cementite is formed during the __________ process.
  18. Limestone addition in the blast furnace is done to flux __________ present in the raw materials.
  19. The life of a ball bearing is inversely proportional to
  20. Increase in temperature, in general results in the
  21. Silicon percentage in the silicon steel used for electrical appliances/equipments is
  22. __________ is the process used for setting up compressive stresses in the surface of a metal to improve…
  23. Powder metallurgy technique is used in the production of __________ tools.
  24. Pick out the wrong statement about coating/electroplating of metals.
  25. Limestone is added in the blast furnace (during pig iron manufacture) to
  26. Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of
  27. The trace metal present in insulin is
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  29. Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot
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