Even though heat transfer co-efficient in boiling liquids is large, use of fins is advantageous, when the entire surface is exposed to __________ boiling.

A. Film

B. Nucleate

C. Transition

D. All modes of

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

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  1. The delivery pressure of boiler feed water pump compared to the boiler steam pressure is
  2. The bank of tubes located at the back of the domestic refrigerators are the __________ tubes.
  3. The lightest non-inflammable gas is
  4. Large scale fire on fuel gas line is normally extinguished by
  5. Out of the following __________ iron has the best capability to bear sudden & excessive shocks.
  6. In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are…
  7. Pressure exerted by a liquid depends upon its
  8. The starting of a car takes time in winter, because the
  9. The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume :…
  10. Breakeven point represents the condition, when the company runs under no profit no loss condition. In…
  11. Normalising of a casting does not
  12. Difference at any instant between the value of the controlled variable and the set point is called the
  13. Projection welding & stud welding is categorised as the __________ welding.
  14. Titanium is produced by __________ of Ti Cl4.
  15. Which of the following forces does not act on a fluid at rest?
  16. Secondary hardening in steels arises out of the
  17. Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.
  18. Diamagnetic materials
  19. Euler number is defined as the ratio of inertia force to __________ force.
  20. Principal alloying element in Elinvar (used for making hair springs for watches) is
  21. If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________…
  22. Catalyst used in the 'catalytic converter' employed in automobile exhaust line for complete combustion/oxidation…
  23. __________ rubber is generally used for making 'O' rings used for vacuum sealings.
  24. With increase in steam pressure, its specific volume decreases
  25. Liquid nitrogen containers can be made from
  26. Filler material used in welding should have __________ as compared to the parent metal to be welded.
  27. A form of stress corrosion failure termed as 'season cracking' is generally observed in
  28. Plastics as a material of construction suffer from the drawback of low
  29. Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are __________…
  30. Screws are specified by their __________ diameters.