Mining Engineering > GATE 2019 > Mine Surveying

Contributed by: Dr. Sarah Chen

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The purpose of rotating a whirling hygrometer in hygrometric survey is to

A

wet the cotton wick with water thoroughly

B

maintain constant temperature of water in the container

C

create steady state evaporation of moisture from the wet bulb surface

D

prevent the heat produced by the cap lamp of the observer from affecting the readings

Check Answer

Explanation

Correct : c

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