High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from __________ percent.

A. 5 to 10

B. 15 to 25

C. 45 to 50

D. 75 to 80

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

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  1. Copper deposits are found in India at the following location:
  2. The type of pump used for lifting large quantity of sewage is a __________ pump.
  3. Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at…
  4. While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous…
  5. The following type of bonding is strongly directional in solids.
  6. Oxide layer formed on the non-ferrous metal surface after its annealing is
  7. Percentage of differential pressure lost in a Venturimeter with a tapering of 15° may be about
  8. __________ of test specimens is not involved in any hardness testing method.
  9. Maximum permissible sulphur content in steel is __________ percent.
  10. Compressed dry air is used as the cutting fluid, while machining
  11. Thermal equivalent of electrical power in practical calculation is __________ kcal/kWh.
  12. __________ the exhaust gas is an indication of the incomplete combustion of fuel.
  13. Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250-525°C,…
  14. Baffles provided on the shell side of a shell and tube heat exchanger are meant for
  15. Pipelines carrying various utilities in chemical industries are identified by their colour codes. The…
  16. High speed steel tools retain their hardness upto a temperature of __________ °C.
  17. __________ cannot increase the fatigue strength of a material.
  18. Which of the following does not discharge the dust collected as a dry solid?
  19. A pycnometer is used for the measurement of
  20. Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of __________…
  21. The cathode in an electrochemical cell always carries
  22. The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 >…
  23. Normalising does not __________ of a metal.
  24. Energy of the sun arises mainly from __________ reactions.
  25. Shampoos are commercially not available in the form of
  26. At 100% relative humidity, the dew point temperature of moist air is
  27. __________ can replace tungsten in high speed steel.
  28. __________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C.
  29. For the Stoke's law to be valid in the case of a falling sphere in a fluid, the
  30. Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature…