A 3 m³/min compressor means that it

A. Compresses 3 m³/min of standard air

B. Compresses 3 m³/ min of free air

C. Delivers 3 m³/ min of compressed air

D. Delivers 3 m³/ min of compressed air at delivery pressure

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  1. The ratio of the discharge pressure to the inlet pressure of air is called
  2. Air-fuel ratio in a jet engine will be of the order of
  3. In a high pressure compressor, the delivery pressure is
  4. More than one stage will be preferred for reciprocating compressor if the delivery pressure is more…
  5. In a centrifugal compressor, the flow of air is ________ to the axis of compressor.
  6. The volumetric efficiency of a compressor
  7. For a two stage compressor, if index of compression for higher stage is greater than index of compression…
  8. Separators are generally used in air compressor installations
  9. Pick up the wrong statement about advantages of multistage compression
  10. In the axial flow gas turbine, the work ratio is the ratio of
  11. Which is false statement about advantages of multistage compressor in comparison to single stage compressor?
  12. In a four stage compressor, if the pressure at the first and third stage is 1 bar and 16 bar, then the…
  13. The work done per unit mass of air in compression will be least when n is equal to
  14. The capacity of a compressor is expressed in
  15. The process, which causes the air to enter the impeller blades of a centrifugal compressor at ________…
  16. A closed cycle gas turbine gives ________ efficiency as compared to an open cycle gas turbine.
  17. When the temperature of air leaving the intercooler, in a two stage compression with intercooler, is…
  18. For supplying intermittent small quantity of air at high pressure, following compressor is best suited
  19. A compressor at high altitudes will require ________ power.
  20. In a centrifugal compressor, the highest Mach number leading to shock wave in the fluid flow occurs…
  21. Fighter bombers use following type of engine
  22. For speed above 3000 km/hour, it is more advantageous to use
  23. In n₁ and n₂ are the indices of compression for the first and second stage of compression,…
  24. The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called
  25. Temperature of gases at end of compression as compared to exhaust gases in a gas turbine is
  26. In a single acting reciprocating compressor, the suction, compression and delivery of air takes place…
  27. Maximum temperature in a gas turbine is of the order of
  28. Volumetric efficiency is
  29. The ratio of isentropic work to Euler work is known as
  30. The thrust on the rotor in a centrifugal compressor is produced by