When air is to be compressed at a high pressure, then it is advantageous to use

A. Single stage compression

B. Multistage compression without intercooling

C. Multistage compression with intercooling

D. None of these

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  1. In a centrifugal compressor, the flow of air is ________ to the axis of compressor.
  2. Gas turbine works on
  3. In jet propulsion power unit, the inlet duct of diverging shape is used in order to
  4. For minimum work required to compress and deliver a quantity of air by multistage compression
  5. In a single stage, single acting reciprocating air compressor without clearance volume, the workdone…
  6. The gas in cooling chamber of a closed cycle gas turbine is cooled at
  7. Efficiency of gas turbine is increased by
  8. During base load operation, the best method of controlling compressor is
  9. Turbofan engine employs
  10. The overall isothermal efficiency of the compressor is defined as the ratio of
  11. In open cycle turbojet engines used in military aircraft, reheating the exhaust gas from the turbine…
  12. Water gas is produced by
  13. When air is to be compressed at a high pressure, then it is advantageous to use
  14. If the clearance ratio for a reciprocating air compressor is 'K', then its volumetric efficiency is…
  15. The ratio of work done per cycle to the swept volume in case of compressor is called
  16. An air compressor may be controlled by
  17. Rotary compressors are used for delivering
  18. Stalling of blades in axial flow compressor is the phenomenon of
  19. The ratio of isentropic work to Euler work is known as
  20. In the axial flow gas turbine, the work ratio is the ratio of
  21. The maximum temperature in a gas turbine is
  22. In a four stage compressor, if the pressure at the first and third stage is 1 bar and 16 bar, then the…
  23. Compression efficiency is compared against
  24. The degree of reaction in an axial flow compressor is defined as the ratio of static enthalpy rise in…
  25. Which of the following statement is correct relating to rocket engines?
  26. Inter-cooling in gas turbine results in
  27. In a jet propulsion
  28. A 3 m³/min compressor means that it
  29. In a centrifugal compressor, the highest Mach number leading to shock wave in the fluid flow occurs…
  30. The indicated work per unit mass of air delivered is