A machine used to raise the pressure of air is called

A. Gas turbine

B. I.C engine

C. Compressor

D. Air motor

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  1. In a single stage, single acting reciprocating air compressor, without clearance, the workdone on the…
  2. Pick up the wrong statement
  3. Isothermal compression though most efficient, but is not practicable because
  4. Pick up the correct statement
  5. The thrust of a jet propulsion power unit can be increased by
  6. The absolute pressure of air at the outlet of a compressor is called
  7. A compressor mostly used for supercharging of I.C. engines is
  8. Maximum delivery pressure is a rotary air compressor is of the order of
  9. The assumption made in two stage compression with intercooler is that
  10. The capacity of a compressor is 5 m /min refers to
  11. The ratio of workdone per cycle to the stroke volume of the compressor is known as
  12. During base load operation, the best method of controlling compressor is
  13. A centrifugal compressor works on the principle of
  14. For slow speed large capacity compressor, following type of valve will be best suited
  15. The inlet pressure is always ________ the discharge pressure.
  16. In open cycle turbojet engines used in military aircraft, reheating the exhaust gas from the turbine…
  17. Pressure ratio in gas turbines is the ratio of
  18. The temperature of air at the beginning of the compression stroke is ________ the atmospheric temperature.
  19. The pressure ratio of an ideal vaned compressor with increase in mass flow rate
  20. The maximum temperature in a gas turbine is
  21. Gas turbines use following type of air compressor
  22. In a high pressure compressor, the delivery pressure is
  23. Reheating in gas turbine results in
  24. For minimum work required to compress and deliver a quantity of air by multistage compression
  25. Pick up the false statement
  26. The capacity of a compressor is expressed in
  27. Separators in compressor installations are located
  28. The volumetric efficiency of a compressor falls roughly as follows for every 5°C increase in atmospheric…
  29. The minimum work required for a three stage reciprocating air compressor is ________ the work required…
  30. Volumetric efficiency of a compressor decreases with ________ in compression ratio.