Lead is poured into the joints between two __________ pipes.

A. Cast iron

B. Steel

C. Concrete

D. Plastic

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  3. The specific gravity of coal depends mainly on its __________ content.
  4. Ammonia leakage in the refrigeration system is detected by
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  6. If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________…
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  17. Which of the following is an acidic constituent of B.F. slag?
  18. Shampoos are commercially not available in the form of
  19. Consider an ideal solution of components A and B. The entropy of mixing per mole of an alloy containing…
  20. Temper brittleness of a material can be fairly detected by the __________ test.
  21. Superheating of steam is done at constant
  22. Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal &…
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