The actual vacuum in a condenser is equal to

A. Barometric pressure + actual pressure

B. Barometric pressure - actual pressure

C. Gauge pressure + atmospheric pressure

D. Gauge pressure - atmospheric pressure

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

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  1. The ratio of the temperature rise of cooling water to the vacuum temperature minus inlet cooling water…
  2. In a throttling process
  3. Adiabatic process is
  4. The reheat factor is the ratio of the
  5. An impulse turbine as compared to a reaction turbine, for a given power has _________ row of blades.
  6. Which is not correct statement about the function of furnace?
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  9. Which of the following statement is correct?
  10. Blading efficiency is also known as
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  12. On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented…
  13. Thermal efficiency of well maintained boiler will be of the order
  14. The process of maintaining the speed of the turbine constant for various load conditions, is known as
  15. Primary air is the air used to
  16. In a glass tube type water indicator for a boiler, one end of the tube is connected to water space and…
  17. When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle…
  18. The relative efficiency is defined as the
  19. Calorific value of coal is of the order of
  20. Heating wet steam at constant temperature is heating it at constant
  21. The fire tubes in a Cochran boiler usually have _________ diameter.
  22. The basic job of feed water treatment in boilers is to overcome the problem of
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  24. An air preheater
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  26. The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity…
  27. The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised…
  28. The Locomotive boiler has
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