The pressure ratio of an ideal vaned compressor with increase in mass flow rate

A. Increases

B. Decreases

C. Remain constant

D. First decreases and then increases

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

You can do it
  1. The volume of air delivered in a medium capacity air compressor per unit time is
  2. Isothermal compression efficiency, even when running at high speed, can be approached by using
  3. For speed above 3000 km/hour, it is more advantageous to use
  4. The pressure ratio in gas turbines is of the order of
  5. Reciprocating air compressor is best suited for
  6. For supplying intermittent small quantity of air at high pressure, following compressor is best suited
  7. Water is injected in gas turbine cycle to
  8. The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is
  9. The process, which causes the air to enter the impeller blades of a centrifugal compressor at ________…
  10. For a two stage compressor, if index of compression for higher stage is greater than index of compression…
  11. In a centrifugal compressor, the ratio of the ________ to the blade velocity is called slip factor.
  12. Separators are generally used in air compressor installations
  13. Choose the correct statement
  14. In a jet propulsion
  15. More than one stage will be preferred for reciprocating compressor if the delivery pressure is more…
  16. The air is delivered ________ in one revolution in case of a three lobbed rotor.
  17. The maximum delivery pressure in a rotary air compressor is
  18. For perfect intercooling in a three stage compressor
  19. The degree of reaction in an axial flow compressor is defined as the ratio of static enthalpy rise in…
  20. Gas turbine as compared to internal combustion engine
  21. It is not possible to use closed gas turbine cycle in aeronautical engines because
  22. In a reciprocating air compressor, the compression work per kg of air
  23. Only rocket engines can be propelled to space because
  24. Ram compression in turbojet involves
  25. The compressor efficiency is the
  26. Open cycle gas turbine works on
  27. In open cycle turbojet engines used in military aircraft, reheating the exhaust gas from the turbine…
  28. For a two stage reciprocating compressor, compression from p₁ to p₃ is with perfect intercooling…
  29. An air compressor may be controlled by
  30. An ideal air compressor cycle without clearance on PV diagram can be represented by following processes