Water boils when its vapour pressure

A. Equals that of the surroundings

B. Equals 760 mm of mercury

C. Equals to atmospheric pressure

D. Equals the pressure of water in the container

Related Questions

  1. Coke is produced by
  2. An economiser in a boiler
  3. O₂ content in atmospheric air on weight basis is
  4. Which of the following is steam dial?
  5. The diameter of cylindrical shell of the Lancashire boiler is of the order of
  6. The velocity of steam at throat of the nozzle is __________ the velocity of sound.
  7. The diameter of tubes for natural circulation boiler as compared to controlled circulation boilers is
  8. Thermal efficiency of well maintained boiler will be of the order
  9. Locomotive type' boiler is
  10. 100% efficiency of a thermal cycle cannot be achieved because of
  11. In order to reduce the rotor speed of an impulse turbine, the method employed is
  12. The function of an eccentric rod is
  13. In a nozzle, the effect of super-saturation is to
  14. The three Ts for good combustion are
  15. Expanding steam to a very low pressure (high vacuum) in steam engines is
  16. In locomotives, the draught is produced by
  17. In a throttling process
  18. The actual vacuum in a condenser is equal to
  19. The steam temperature with increase in load in case of a boiler fitted with radiation superheater
  20. The working pressure range for a LaMont boiler is
  21. Stoichiometric quantity of air is the
  22. Which of the following is a fire tube boiler?
  23. Steam engine operates on
  24. There is always some steam left in the clearance space from the previous stroke. This steam left in…
  25. The pressure compounded impulse turbine as compared to velocity compounded turbine require __________…
  26. The draught in locomotive boilers is produced by a
  27. The latent heat of steam at pressures greater than atmospheric in comparison to latent heat at atmospheric…
  28. The equivalent evaporation is defined as
  29. Tertiary air is the air used to
  30. Cochran boiler is a

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