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The following cycle is used for air craft refrigeration

A. Brayton cycle

B. Joule cycle

C. Carnot cycle

D. Reversed Brayton cycle

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  1. A process, in which the gas is heated or expanded in such a way that the product of its pressure and…
  2. The state of a substance whose evaporation from its liquid state is complete, is known as
  3. The work ratio of simple gas turbine cycle depends upon
  4. During which of the following process does heat rejection takes place in Carnot cycle?
  5. The oxygen atom is ________ times heavier than the hydrogen atom.
  6. The bending equation is
  7. The molecular mass expressed in gram (i.e. 1 g - mole) of all gases, at N. T. P., occupies a volume…
  8. One kg of carbon monoxide requires __________ kg of oxygen to produce 11/7 kg of carbon dioxide gas.
  9. If the rivets in adjacent rows are staggered and the outermost row has only one rivets, the arrangement…
  10. A thin mild steel wire is loaded by adding loads in equal increments till it breaks. The extensions…
  11. The stress necessary to initiate yielding is
  12. The shear force at the centre of a simply supported beam with a gradually varying load from zero at…
  13. A coil is cut into two halves, the stiffness of cut coil will be
  14. In compression test, the fracture in cast iron specimen would occur along
  15. The polytropic index (n) is given by
  16. A cycle consisting of two isothermal and two isentropic processes, is known as
  17. The lower layer of the beam as shown in the below figure, will be
  18. The efficiency of a Carnot engine depends on
  19. A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known…
  20. Which of the following statement is correct according to Clausis statement of second law of thermodynamics?
  21. The absolute zero temperature is taken as
  22. According to Avogadro's law, the density of any two gases is __________ their molecular masses, if the…
  23. The heat and mechanical energies are mutually convertible. This statement was established by
  24. High air-fuel ratio in gas turbines
  25. Select the correct statement as per Charles' law
  26. The smallest quantity of a substance, which can exist by itself in a chemically recognizable form is…
  27. When two plates are butt together and riveted with cover plates with two rows of rivets, the joint is…
  28. According to kinetic theory of gases, the velocity of molecules __________ with the increase in temperature.
  29. The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar…
  30. A riveted joint in which every rivet of a row is opposite to other rivet of the outer row, is known…