Film boiling occurs at

A. Very low pressure

B. Atmospheric pressures

C. Medium pressures

D. Very high pressures

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  1. In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum…
  2. The compounding of turbines is done in order to
  3. In water tube boilers
  4. In a boiler, the heat is lost
  5. An ideal regenerative cycle is
  6. The pressure of reheat steam after passing through reheater compared to inlet condition is
  7. Efficiency of Rankine cycle can be increased by
  8. In a velocity compounded impulse turbine, when steam flows through the second row of moving blades,
  9. The high steam and low water safety valve is not used in
  10. A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio…
  11. The effect of friction in the nozzle __________ dryness fraction of steam.
  12. The effect of bleeding is that
  13. A safety valve in a locomotive starts leaking. The leaking medium will be
  14. An economiser in a boiler
  15. A safety valve mainly used with locomotive and marine boilers is
  16. The amount of water evaporated in kg per kg of fuel burnt is called
  17. An economiser is installed in a boiler primarily to
  18. The effect of super-saturation is that the
  19. The three Ts for good combustion are
  20. In accelerated circulation type boiler
  21. Equivalent evaporation is the amount of water evaporated in a boiler from and at
  22. Locomotive boiler is a
  23. The economiser is used in boilers to
  24. The chimney draught varies with
  25. The average value of diagram factor lies between
  26. A nozzle is said to be a divergent nozzle
  27. The pressure velocity compounded impulse turbine allows a bigger pressure drop and hence __________…
  28. The air pressure at the fuel bed is reduced below that of atmosphere by means of a fan placed at or…
  29. The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades…
  30. Which of the following statement is correct?