Home

The pressure at which latent heat of vaporisation of water is zero, is

A. Below atmospheric pressure

B. 1 kg/cm²

C. 100 kg/cm²

D. 225.6 kg/cm²

Correct Answer : D.


Download Objective type questions of Steam Boilers, Engines, Nozzles & Turbines PDF

Get all objective type questions of Steam Boilers, Engines, Nozzles & Turbines MCQ

Also checkout these categories

Nervous System MCQ Microsoft PowerPoint MCQ Astronomy MCQ Refrigeration & Air-Conditioning MCQ Power Plant Engineering MCQ Genetics MCQ Surds and Indices MCQ p-Block Element MCQ Manufacturing & Production Engineering MCQ Neurology MCQ Hydraulics & Fluid Machineries MCQ Auto CAD 2D MCQ

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

Submit
Load More..
You can do it
  1. Green coal, in order to be burnt, must be
  2. An impulse turbine as compared to a reaction turbine, for a given power has _________ row of blades.
  3. A safety valve usually employed with stationary boilers is
  4. Locomotive boiler is of the following type
  5. For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has
  6. The dry saturated steam at very low pressure, (510 kg/cm²) when throttled to atmosphere will become
  7. Which of the following coals has the highest calorific value?
  8. Heating of dry steam above saturation temperature is known as
  9. Cut-off governing as compared to throttle governing is
  10. In water wall furnace, the heat is transferred to the water walls by
  11. In a boiler, feed water supplied per hour is 205 kg while coal fired per hour is 23 kg. The net enthalpy…
  12. Besides mean effective pressure, the data required to determine the indicated power of an engine include
  13. The efficiency of an impulse turbine is maximum when (where Vb = Blade speed, V = Absolute velocity…
  14. The ratio of the workdone on the blades to the energy supplied to the blades, is called
  15. Duplex feed pumps are used in small steam boilers. These operate on the principle of
  16. The number of water level indicators in a boiler are generally _________ in number.
  17. In forced circulation type boiler
  18. The specific volume of steam with increase in pressure decreases
  19. The velocity of steam at throat of the nozzle is __________ the velocity of sound.
  20. The expansion of steam, as it flows over the blades in reaction turbine, represents
  21. The function of a valve rod is
  22. Latent heat of dry steam at atmospheric pressure is equal to
  23. The saturation temperature of steam with increase in pressure increases
  24. The indicated thermal efficiency is defined as the
  25. In cross compounding, the cylinders are arranged
  26. The Locomotive boiler has
  27. The cylinder dimensions of a compound engine may be designed on the basis of
  28. Feed water conditioning in thermal power plants in done to
  29. The state of vapour under saturation condition is described by
  30. The velocity of flue gases (V) through the chimney under a static draught of (H') metres is given by