Surface tension of a liquid

A. Is due to intermolecular forces of cohesion

B. Decreases with rise in temperature

C. Is responsible for the spherical shape of an isolated liquid drop

D. All (A), (B) & (C)

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

You can do it
  1. What is the pH of distilled water?
  2. Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement.…
  3. In TIG welding, thoriated tungsten electrodes are used, because it
  4. Which of the following is prone to cup and cone fracture?
  5. Pick out the correct statement about the condensation.
  6. The most serious manufacturing defect from fracture toughness point of view is
  7. Catalyst used in the 'catalytic converter' employed in automobile exhaust line for complete combustion/oxidation…
  8. Which of the following is the correct nature of shear stress distribution along the cross section in…
  9. The process of removal of scale formed during hot rolling of steel is termed as
  10. Metal shots used in shot blasting are made of
  11. Energy of the sun arises mainly from __________ reactions.
  12. Which of the following is the most wear resistant grade of carbide used for the cutting tools?
  13. The most economical channel section for the fluid flow is the one for which the discharge is maximum…
  14. The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.
  15. What happens, when SO2 is passed through a solution of H2S in water?
  16. The life of a ball bearing is inversely proportional to
  17. The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where,…
  18. Difference at any instant between the value of the controlled variable and the set point is called the
  19. Which of the following are made out of the carbon steel having carbon content of 0.9 to 1%?
  20. An atom bomb works on the principle of
  21. Identify the correct statement with reference to the extractive metallurgy of aluminium.
  22. Glass reacts with
  23. A pycnometer is used for the measurement of
  24. Normalising does not __________ of a metal.
  25. Cast iron contains __________ percent carbon.
  26. Which of the following is an acidic constituent of B.F. slag?
  27. Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air…
  28. Steel is welded using the __________ flame.
  29. Which of the following does not discharge the dust collected as a dry solid?
  30. Stresses encountered in the metal forming processes are less than the __________ of the material.