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Non-ferrous alloys used for making cutting tools need not have high

A. Abrasion resistance

B. Toughness

C. Red hardness

D. Cutting speed

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

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  1. The elastic strain in copper is due to the
  2. Ammonia leakage in the refrigeration system is detected by
  3. Annealing of white cast iron produces __________ iron.
  4. Compressed dry air is used as the cutting fluid, while machining
  5. Consideration of the creep is the most important in case of the
  6. __________ of grey cast iron produces white cast iron.
  7. The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring…
  8. The same volume of all gases is representative of their
  9. Gratings is associated with the measurement of
  10. Normalising does not __________ of a metal.
  11. Specific gravity of hot metal (pig iron) is __________ times that of the blast furnace slag.
  12. An oxidation process is accompanied with decrease in the
  13. Titanium is added to molten aluminium alloys before casting for the purpose of
  14. Limestone addition in the blast furnace is done to flux __________ present in the raw materials.
  15. Often earing defects are found during deep drawing operation, because the
  16. Specific __________ is a dimensionless quantity.
  17. Which of the following metals cannot be hot worked at room temperature?
  18. Which of the following processes follows the hardening process for reducing the hardening strains &…
  19. A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure…
  20. Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement.…
  21. In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean…
  22. Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by
  23. Temperature profile along the length of a gasgas counter flow heat exchanger is correctly represented…
  24. The co-ordination number in simple cubic structure is
  25. Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional…
  26. Tumbling is the process of improving the __________ of the materials/parts.
  27. The most economical channel section for the fluid flow is the one for which the discharge is maximum…
  28. Water-tube boiler is the one, in which
  29. Fine grained steels have
  30. Between 230 and 370°C, blue brittleness is caused in mild steel because of the