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Otto cycle is also known as

A. Constant pressure cycle

B. Constant volume cycle

C. Constant temperature cycle

D. Constant temperature and pressure cycle

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  1. Which of the following is the correct statement?
  2. An adiabatic process is one in which
  3. According to Avogadro's law, the density of any two gases is __________ their molecular masses, if the…
  4. The ratio of root mean square velocity to average velocity of gas molecules at a particular temperature…
  5. The behaviour of a perfect gas, undergoing any change in the variables which control physical properties,…
  6. The property of a material by virtue of which it can be beaten or rolled into plates is called
  7. One kg of hydrogen requires 8 kg of oxygen and produces
  8. Stirling cycle consists of
  9. According to First law of thermodynamics,
  10. A cube subjected to three mutually perpendicular stress of equal intensity p expenses a volumetric strain
  11. The unit of energy is S. I. units is
  12. The property of a working substance which increases or decreases as the heat is supplied or removed…
  13. One molecule of oxygen consists of __________ atoms of oxygen.
  14. One kg of carbon produces __________ kg of carbon dioxide.
  15. Efficiency of a riveted joint is the ratio of its strength (max. load it can resist without failure)…
  16. When a closely-coiled helical spring of mean diameter (D) is subjected to an axial load (W), the stiffness…
  17. When a body is subjected to a direct tensile stress (σ) in one plane, then maximum normal stress…
  18. The processes occuring in open system which permit the transfer of mass to and from the system, are…
  19. The unit of Young's modulus is
  20. When a gas is heated, change takes place in
  21. The tensile strength of the welded joint for double fillet is (where s = Leg or size of the weld, l…
  22. The hard coke is obtained when carbonisation of coal is carried out at
  23. During a tensile test on a specimen of 1 cm cross-section, maximum load observed was 8 tonnes and area…
  24. Which of the following statement is incorrect?
  25. A steel bar of 5 mm is heated from 25°C to 45°C and it is free to expand. The bar will induce
  26. The shear force at the centre of a simply supported beam with a gradually varying load from zero at…
  27. A cycle consisting of __________ and two isothermal processes is known as Stirling cycle.
  28. Which of the following is an intensive property of a thermodynamic system?
  29. According to kinetic theory of gases, the velocity of molecules __________ with the increase in temperature.
  30. When a body is subjected to biaxial stress i.e. direct stresses (σx) and (σy) in two mutually…