__________ are normally subjected to sub-zero treatment.

A. Highly stressed parts

B. Gauges or precision parts

C. Cold rolled sheets

D. Non machinable materials

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

You can do it
  1. Holes for riveting purposes should be preferably made by
  2. Friction factor for fluid flow in pipe does not depend upon the
  3. X-rays are
  4. Bad odour in sanitary latrines is reduced by periodically sprinkling
  5. Lead is added to 60:40 brass primarily to improve
  6. The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________…
  7. Out of the following __________ iron has the best capability to bear sudden & excessive shocks.
  8. In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just…
  9. Out of the following the refractive index is the highest for
  10. The stress at which extension of the material takes place more rapidly as compared to the increase in…
  11. Pick out the wrong statement.
  12. Lead is poured into the joint between two __________ pipes.
  13. Cemented carbide tools are not suitable for cutting
  14. Electrolytic reduction cell used for conversion of calcined Al2O3 to Al is a carbon lined furnace operating…
  15. Drossing is a __________ operation.
  16. Powder metallurgy technique is used in the production of __________ tools.
  17. A material being tested for endurance strength is subjected to the __________ load.
  18. While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to __________…
  19. Stainless steel is welded using
  20. Ammonia leakage in the refrigeration system is detected by
  21. Encyclopaedia of Chemical Technology has been
  22. Probability of cavitation occuring becomes very high, when the local __________ resulting in water bubbles…
  23. Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.A.…
  24. The value of for air & most common gases can be safely assumed to be
  25. In an eutectic system, two elements are completely
  26. Water flow in the river during flood can be categorised as the __________ flow.
  27. Which of the following is not a dielectric material?
  28. Which of the following terminology is used for the temperature at which new grains are formed in a metal?
  29. __________ is a special constituent of chlorophyll without which photosynthesis is not possible.
  30. The minimum carbon content in steel should be __________ percent for it to respond to a hardening treatment.