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About __________ ton of coke is required in a cupola to produce one ton of casting.

A. 0.03

B. 0.3

C. 0.8

D. 1.5

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

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  1. __________ is a non volatile film forming constituent of a paint.
  2. Annealing of cast iron
  3. Which of the following represents the correct time-temperature curve when a block of metal is heated…
  4. Gantt charts are used for streamlining the
  5. In the X-ray radiography technique, the tube voltage for thicker plates as compared to thin plates,…
  6. Pick out the wrong statement.
  7. Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat…
  8. With increase in __________ Knocking tendency in a spark ignition petrol engine decreases.
  9. __________ rubber is generally used for making 'O' rings used for vacuum sealings.
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  11. Corona discharge is related to the operation of a/an
  12. Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.
  13. Fatigue limit improvement by over stressing the metal by successively increasing the load is called…
  14. The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________…
  15. Fine grained steels have
  16. Boiling point of water gets lowered at high altitudes (e.g., hills), because
  17. Solute atoms which cause yield point phenomenon in mild steel are/is
  18. The concentration of (H+) ions is 4 x 10-5 in a solution. Then pH of the solution will be (Given log…
  19. The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction…
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  22. Water hammer is caused in steam carrying pipelines, because of
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  24. Which of the following is an undesirable property of slag produced during the Pyrometallurgical method…
  25. Maximum change in the hardness of martensite occurs in the carbon content range of __________ percent…
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