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Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as

A. Zeroth law of thermodynamics

B. First law of thermodynamics

C. Second law of thermodynamics

D. Kinetic theory of gases

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  1. The amount of heat required to raise the temperature of __________ water through one degree is called…
  2. The unit of energy is S. I. units is
  3. Charles' law states that all perfect gases change in volume by __________ of its original volume at…
  4. The value of one bar (in S. I. units) is equal to
  5. The bending stress in a beam is _________ section modulus.
  6. The ultimate tensile stress of mild steel compared to ultimate compressive stress is
  7. Which of the following gas has a minimum molecular mass?
  8. A material obeys hooks law up to
  9. In a belt drive, the pulley diameter is doubled, the belt tension and pulley width remaining same. The…
  10. One kg of carbon monoxide requires _______kg of oxygen to produce 11/7 kg of carbon dioxide gas.
  11. First law of thermodynamics deals with
  12. The value of Poisson's ratio for steel is between
  13. The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar…
  14. The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is
  15. The change in the unit volume of a material under tension with increase in its Poisson's ratio will
  16. If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling…
  17. The pull required to tear off the plate per pitch length is (where p = Pitch of rivets, t = Thickness…
  18. A cycle consisting of __________ and two isothermal processes is known as Stirling cycle.
  19. For the constant pressure and heat input, the air standard efficiency of gas power cycle is in the order
  20. The stress at which extension of the material takes place more quickly as compared to the increase in…
  21. A shaft revolving at ω rad/s transmits torque (T) in Nm. The power developed is
  22. For a beam, as shown in the below figure, when the load W is applied in the centre of the beam, the…
  23. The moment of resistance of a balanced reinforced concrete beam is based on the stresses in
  24. For the same compression ratio, the efficiency of dual combustion cycle is
  25. A vertical column has two moments of inertia (i.e. Ixx and Iyy ). The column will tend to buckle in…
  26. The behaviour of super-heated vapour is similar to that of
  27. Which of the following is the correct statement?
  28. The property of a material by virtue of which it can be beaten or rolled into plates is called
  29. A tri-atomic molecule consists of __________ atoms.
  30. Strain re-setters are used to