Desalination of water

A. Makes it potable

B. Makes it non-potable

C. Means distillation of water

D. None of these

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

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  1. Wrought iron is not
  2. The bank of tubes located at the back of the domestic refrigerators are the __________ tubes.
  3. When the wavelength of incident X-rays increases, the angle of diffraction
  4. The co-ordination number in simple cubic structure is
  5. With increase in temperature, the electrical conductivity of a __________ decreases.
  6. Which of the following is not a characteristic observed in material failure by fatigue fracture?
  7. Boiling point of water gets lowered at high altitudes (e.g., hills), because
  8. __________ of grey cast iron produces white cast iron.
  9. Materials having resistivity ranging from 1 to 100 ohm. cm is termed as
  10. Which of the following are made out of the carbon steel having carbon content of 0.9 to 1%?
  11. In connection with corrosion of metals, passivation is the process that
  12. Materials having __________ lattice structure are usually the most ductile.
  13. __________ is not used as the control rod material in a nuclear reactor.
  14. Hydrogen in liquid steels is dissolved
  15. Dislocations are __________ defects.
  16. The most important requirement for aluminium industry is the availability of cheap
  17. A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm2.
  18. Ferromagnetic materials owe their properties to __________ inner sub-shells.
  19. Speed of a submarine in deep sea & that of an aeroplane is measured by a/an
  20. The concentration of (H+) ions is 4 x 10-5 in a solution. Then pH of the solution will be (Given log…
  21. Which of the following mainly decides the current to be employed is arc welding?
  22. Dowtherm is a
  23. A material being tested for endurance strength is subjected to the __________ load.
  24. Principal alloying element in Elinvar (used for making hair springs for watches) is
  25. The leaching solvent used in Baeyer's process for the purification of bauxite is
  26. Blow off cock is provided in steam boiler to
  27. Vernier calipers cannot be used to measure the
  28. Cold chisel & hammers are made of
  29. In case of simple harmonic motion, displacement is proportional to the
  30. Hardening of steel is not possible, unless it is heated __________ critical point.