For speed above 3000 km/hour, it is more advantageous to use

A. Turbojet engine

B. Ramjet engine

C. Propellers

D. Rockets

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

You can do it
  1. For slow speed large capacity compressor, following type of valve will be best suited
  2. In a jet propulsion
  3. The pressure and temperature conditions of air at the suction of compressor are
  4. Actual compression curve is
  5. A large clearance volume in a reciprocating compressor results in
  6. With the decrease in compression ratio, the volumetric efficiency
  7. Propulsion efficiency of the following order is obtained in practice
  8. The main purpose of reheating in gas turbine is to
  9. The maximum propulsion efficiency of a turbojet is attained at around following speed
  10. The ratio of workdone per cycle to the stroke volume of the compressor is known as
  11. In a centrifugal compressor, the ratio of the ________ to the blade velocity is called slip factor.
  12. Which of the following statement is correct?
  13. Gas turbine as compared to steam turbine
  14. Compression efficiency is compared against
  15. Which is false statement about multistage compression?
  16. The efficiency of jet engine is
  17. An air compressor may be controlled by
  18. A compressor mostly used for supercharging of I.C. engines is
  19. The ratio of isentropic work to Eulers work is known as
  20. In the cross compounding of the gas turbine plant
  21. Pick up the false statement
  22. The pressure ratio in gas turbines is of the order of
  23. The reason for volumetric efficiency of reciprocating compressor being less than 100 percent is
  24. Which of the following fuels can be used in turbojet engines?
  25. Which of the following statement is wrong?
  26. A closed cycle gas turbine consists of a
  27. The gas in cooling chamber of a closed cycle gas turbine is cooled at
  28. Intercooling in gas turbines
  29. Surging is the phenomenon of
  30. The work done per unit mass of air in compression will be least when n is equal to