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  1. A material subjected __________ must have high resilience.
  2. The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling…
  3. Catalyst used in the catalytic converter employed in automobiles to convert CO into CO2 and for complete…
  4. Tin based white metals are used, where bearings are subjected to
  5. Pick out the wrong statement.
  6. For separating small pieces of metal from engine oil of a car, the best separating technique is the
  7. A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle…
  8. Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying…
  9. Hydro-cyclone is a
  10. Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________…
  11. About __________ ton of coke is required in a cupola to produce one ton of casting.
  12. The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume :…
  13. Shrinkage allowance on pattern is provided to compensate for shrinkage when the
  14. Which of the following is an ore dressing operation?
  15. Fog is an example of colloidal system of
  16. Steel is welded using the __________ flame.
  17. Which of the following is the most suitable material of construction for the condenser tubes, where…
  18. The most economical channel section for the fluid flow is the one for which the discharge is maximum…
  19. Aluminium is extracted from
  20. Dislocations are __________ defects.
  21. Encyclopaedia of Chemical Technology has been
  22. The ratio of thermal & electrical conductivity is same for all the metals at the same temperature; and…
  23. Cold cracking in the heat affected zone of a high strength steel weld can take place because of the
  24. __________ remains constant during the adiabatic cooling of moist air.
  25. The most suitable material of construction for a sewer to carry sewage under high pressure is
  26. Which of the following is prone to cup and cone fracture?
  27. Pick out the wrong statement
  28. __________ is not a heat treatment process.
  29. In extrusion of metals, which of the following statement is true?
  30. The difference between gross & net calorific values of fuel is due to the