In troposphere (the weather domain), the temperature 't' at height 'h' above the sea level in metres is given by (where, temperature at sea level is 15°C and t is in °C.)

A. t = 15 - 0.0065 h

B. t = 15 + 0.0065 h

C. t = 0.0035 h - 15

D. t = 15 - 0.0035 h

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

You can do it
  1. Electrostatic separation of minerals from each other is based on their differences in the following…
  2. Cassiterite is an ore of
  3. Increasing sulphur content in pig iron tends to make it
  4. Normalising does not __________ of a metal.
  5. Carbon supply in pack carburising process is in the form of
  6. Ceramic compounds as compared to metallic compounds
  7. Consideration of the creep is the most important in case of the
  8. Normalising of a casting does not
  9. Which of the following is the most suitable material of construction for the condenser tubes, where…
  10. Which of the following materials has the least scrap value?
  11. Between 230 and 370°C, blue brittleness is caused in mild steel because of the
  12. Increase in temperature, in general results in the
  13. Coarse grained steels have
  14. The Al2O3 content of cryolite in Hall- Heroult cell is maintained between __________ percent.
  15. Temperature profile along the length of a gasgas counter flow heat exchanger is correctly represented…
  16. A material being tested for endurance strength is subjected to the __________ load.
  17. Potable water means the water used for
  18. Pick out the wrong conversion of absolute & kinematic viscosities.
  19. Magnetic permeability of iron is increased by its
  20. Which of the following pairs is not correctly matched?
  21. The activity of pure hydrogen gas at 1000°C and 5 atm pressure
  22. Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.
  23. Heat release during phase change is observed in case of a/an
  24. Oxyacetylene reducing flame is used while carrying out welding on
  25. Alcohols are not suitable as diesel engine fuel because the cetane number of alcohols is
  26. Moist climate is the most favourable factor in the site selection far a
  27. Stellite is a __________ material.
  28. Pick out the wrong statement.
  29. 'Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable…
  30. Recrystallisation temperature of steel is __________ °C.