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The smallest quantity of a substance, which can exist by itself in a chemically recognizable form is known as

A. Element

B. Compound

C. Atom

D. Molecule

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

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  1. The fuel mostly used in steam boilers is
  2. The tensile strength of the welded joint for double fillet is (where s = Leg or size of the weld, l…
  3. When cut-off ratio is __________ the efficiency of Diesel cycle approaches to Otto cycle efficiency.
  4. The pressure exerted by an ideal gas is ________ of the kinetic energy of all the molecules contained…
  5. The entropy of water at 0°C is assumed to be
  6. A steel bar of 5 mm is heated from 25°C to 45°C and it is free to expand. The bar will induce
  7. The calorific value of gaseous fuel is expressed in
  8. The process is adiabatic, if the value of n in the equation pvn = C, is
  9. A composite bar made up of steel and copper bars of equal lengths are heated through 100°C. The…
  10. Which of the following is correct?
  11. Percentage reduction of area in performing tensile test on cast iron may be of the order of
  12. Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat…
  13. Coke is produced
  14. In an extensive property of a thermodynamic system
  15. The processes occuring in open system which permit the transfer of mass to and from the system, are…
  16. A riveted joint in which the number otrivets decrease from innermost to outer most rows is called
  17. The strain energy stored in a body due to suddenly applied load compared to when it is applied gradually…
  18. Volumetric strain for a rectangular specimen of length l, breadth b and thickness t subjected to a pull…
  19. The absolute zero pressure will be
  20. If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling…
  21. The property of a material by virtue of which a body returns to its original, shape after removal of…
  22. The shear force diagram of a cantilever beam of length l and carrying a uniformly distributed load of…
  23. A cycle consisting of __________ and two isothermal processes is known as Stirling cycle.
  24. A double strap butt joint with equal straps is
  25. A process, in which the working substance neither receives nor gives out heat to its surroundings during…
  26. In case of an under-reinforced beam, the depth of actual neutral axis is __________ that of the critical…
  27. When a gas is heated at constant pressure
  28. The value of gas constant (R) in S. I. units is
  29. For the beam shown in the below figure, the shear force diagram between A and B is
  30. The pull required to tear off the plate per pitch length is (where p = Pitch of rivets, t = Thickness…