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Free air is the air at

A. Atmospheric conditions at any specific location

B. 20°C and 1 kg/cm² and relative humidity of 36%

C. 0°C and standard atmospheric conditions

D. 15°C and 1 kg/cm²

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  1. The pressure ratio of an ideal vaned compressor with increase in mass flow rate
  2. A jet engine has
  3. The ratio of the net work obtained from the gas turbine plant to the turbine work is known as
  4. Work ratio of a gas turbine may be improved by
  5. The indicated work per unit mass of air delivered is
  6. In air compressors, free air delivery means the
  7. The weight per horse power ratio for gas in Turbine as compared to I.C. engine and steam turbine is
  8. If the flow of air through the compressor is parallel to its axis, then the compressor is
  9. More than one stage will be preferred for reciprocating compressor if the delivery pressure is more…
  10. Volumetric efficiency is
  11. The ratio of workdone per cycle to the stroke volume of the compressor is known as
  12. The work ratio of simple gas turbine cycle depends on
  13. High air-fuel ratio is used in gas turbines
  14. During base load operation, the best method of controlling compressor is
  15. Work ratio of a gas turbine plant is ratio of
  16. In which case the air-fuel ratio is likely to be maximum?
  17. Reheating in multistage expansion gas turbine results in
  18. Rotary compressors are used for delivering
  19. Gas turbines use following type of air compressor
  20. The air entry velocity m a rocket as compared to aircraft is
  21. Adiabatic compression is one in which
  22. Volumetric efficiency of a compressor with clearance volume
  23. A closed gas turbine in which fuel is burnt directly in the air is not possible because of
  24. Propulsion efficiency of the following order is obtained in practice
  25. 1 m of air at atmospheric condition weighs approximately
  26. The performance of air compressor at high altitudes will be ________ as compared to that at sea level.
  27. The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio)
  28. With the decrease in compression ratio, the volumetric efficiency
  29. Cylinder clearance in a compressor should be
  30. The fuel consumption in gas turbines is accounted for by