Those substances which have so far not been resolved by any means into other substances of simpler form are called

A. Elements

B. Compounds

C. Atoms

D. Molecules

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

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  1. If a material expands freely due to heating it will develop
  2. Workdone during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature…
  3. The ultimate tensile stress of mild steel compared to ultimate compressive stress is
  4. The efficiency of Diesel cycle approaches to Otto cycle efficiency when
  5. A beam is loaded as cantilever. If the load at the end is increased, the failure will occur
  6. The shear force diagram for a simply supported beam carrying a uniformly distributed load of w per unit…
  7. The general law for the expansion or compression of gases, is
  8. The bending moment at a point on a beam is the algebraic ________ of all the moments on either side…
  9. Which of the following cycles is not a reversible cycle?
  10. Strain energy is the
  11. If Th is the torque resisting capacity of a hollow shaft and Ts is that of a solid shaft, of the same…
  12. The throttling process is __________ process.
  13. The capacity of a strained body for doing work on the removal of the straining force, is called
  14. Which of the following statement is correct according to Clausis statement of second law of thermodynamics?
  15. The total strain energy stored in a body is termed a
  16. A column that fails due to direct stress, is called
  17. Which of the following is an intensive property of a thermodynamic system?
  18. The smallest quantity of a substance, which can exist by itself in a chemically recognizable form is…
  19. The rivets are used for __________ fastenings.
  20. The gas constant (R) is equal to the __________ of two specific heats.
  21. The distance between the centres of the rivets in adjacent rows of zigzag riveted joint is known as
  22. The gas in cooling chamber of a closed cycle gas turbine is cooled at
  23. When a body is subjected to biaxial stress i.e. direct stresses (σx) and (σy) in two mutually…
  24. The layer at the centre of gravity of the beam as shown in the below figure, will be
  25. Modulus of rigidity is defined as the ratio of
  26. The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant…
  27. The neutral axis of the cross-section a beam is that axis at which the bending stress is
  28. The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is always…
  29. Kelvin-Planck's law deals with
  30. The total elongation produced in a bar of uniform section hanging vertically downwards due to its own…