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  1. A key is subjected to side pressure as well at shearing forces. These pressures are called
  2. When a body is subjected to biaxial stress i.e. direct stresses (σx) and (σy) in two mutually…
  3. The variables which control the physical properties of a perfect gas are
  4. A closely-coiled helical spring is cut into two halves. The stiffness of the resulting spring will be
  5. Diesel cycle consists of following four processes
  6. Which of the following is an irreversible cycle?
  7. Which of the following gas is mostly used in town for street and domestic lighting and heating?
  8. The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar…
  9. The increase in entropy of a system represents
  10. Which of the following is correct?
  11. A fletched beam is used to
  12. If the rivets in adjacent rows are staggered and the outermost row has only one rivets, the arrangement…
  13. When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with…
  14. A cube subjected to three mutually perpendicular stress of equal intensity p expenses a volumetric strain
  15. In S. I. units, the value of the universal gas constant is
  16. The stress necessary to initiate yielding is
  17. When coal is first dried and then crushed to a fine powder by pulverising machine, the resulting fuel…
  18. Relation between cp and cv is given by (where cp = Specific heat at constant pressure, cv = Specific…
  19. The __________ states that change of internal energy of a perfect gas is directly proportional to the…
  20. In an isothermal process,
  21. The efficiency of a Carnot engine depends on
  22. The natural petroleum may be separated into
  23. For the same maximum pressure and temperature,
  24. The processes occuring in open system which permit the transfer of mass to and from the system, are…
  25. If Th is the torque resisting capacity of a hollow shaft and Ts is that of a solid shaft, of the same…
  26. The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will
  27. The rivets are used for __________ fastenings.
  28. A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear…
  29. The process is adiabatic, if the value of n in the equation pvn = C, is
  30. A boiler shell 200 cm diameter and plate thickness 1.5 cm is subjected to internal pressure of 1.5 MN/m,…