Home

By compounding the expansion of steam in two or more cylinders, the ratio of expansion

A. Does not change

B. Increases

C. Decreases

D. None of these

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

You can do it
  1. On Millier chart, the constant pressure lines
  2. The factor of evaporation for all boilers is always
  3. The shell of the Cochran boiler is made hemispherical
  4. The numbers of fire tubes in a Cochran boiler are
  5. In a reaction turbine
  6. The indicated thermal efficiency is defined as the
  7. The main object of a boiler trial is
  8. Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler?
  9. Thermal equilibrium means that the flow of steam is
  10. The fire tubes in a Scotch marine boiler are
  11. Pick up wrong statement about desired properties of a good fuel
  12. A safety valve in a locomotive starts leaking. The leaking medium will be
  13. In an impulse reaction turbine, the pressure drops gradually and continuously over
  14. The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle)
  15. During polytropic process
  16. An ideal regenerative cycle is
  17. Lancashire boiler is a
  18. Green coal, in order to be burnt, must be
  19. The high pressure boiler is one, which produces steam at a pressure more than
  20. The fittings mounted on the boiler for its proper and safe functioning is a
  21. In a Parson's turbine stage, blade velocity is 320 m/s at the mean radius and rotor blade exit angle…
  22. The amount of water evaporated from feed water at _________ into dry and saturated steam at 100°…
  23. Carbonisation of coal is the process of
  24. Which of the following is correct? (Where pa = Actual mean effective pressure, pm = Theoretical mean…
  25. In a velocity compounded impulse turbine, when steam flows through the second row of moving blades,
  26. A safety valve mainly used with locomotive and marine boilers is
  27. Fire tube boilers are limited to a maximum working pressure of
  28. The crown of the fire box is made hemispherical in order to
  29. For burning 1 kg of carbon to CO as per chemically correct combustion, amount of air required is
  30. A stage, in reaction turbine, is represented by