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  1. The ratio of the indicated power to the shaft power or brake power of the motor or engine required to…
  2. The minimum work required for a three stage reciprocating air compressor is ________ the work required…
  3. Axial flow compressor resembles
  4. The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of
  5. The mean effective pressure of the compressor is the
  6. The specific output per kg mass flow rate of a gas turbine (having fixed efficiencies of compressor…
  7. In jet engines the products of combustion after passing through the gas turbine are discharged into
  8. In a single acting reciprocating compressor, the suction, compression and delivery of air takes place…
  9. Efficiency of gas turbine is increased by
  10. When the outlet angle from the rotor of a centrifugal compressor is more than 90°, then the blades…
  11. Atmospheric pressure is 1.03 kg/cm and vapour pressure is 0.03 kg/cm. The air pressure will be
  12. Actual compression curve is
  13. In n₁ and n₂ are the indices of compression for the first and second stage of compression,…
  14. Choose the correct statement
  15. Fighter bombers use following type of engine
  16. The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio)
  17. An air compressor may be controlled by
  18. Maximum work is done in compressing air when the compression is
  19. In a single acting reciprocating air compressor, without clearance, the compression of air may be
  20. Standard air is the air at ________ and relative humidity of 36 percent.
  21. The weight per horse power ratio for gas in Turbine as compared to I.C. engine and steam turbine is
  22. Rotary compressors are used for delivering
  23. The maximum propulsion efficiency of a turbojet is attained at around following speed
  24. When the temperature of air leaving the intercooler, in a two stage compression with intercooler, is…
  25. The work done per unit mass of air in compression will be least when n is equal to
  26. For a two stage compressor, if index of compression for higher stage is greater than index of compression…
  27. The absolute pressure of air at the outlet of a compressor is called
  28. High air-fuel ratio in gas turbines
  29. Pick up the correct statement
  30. The air entry velocity m a rocket as compared to aircraft is