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Civil Engineering MCQAE Level Civil Engineering

Isohyets are

HydrologyHydrologyMEDIUM

Choose the correct answer

A

areas of equal precipitation

B

lines of equal precipitation on maps

C

lines of equal temperature

D

lines of equal pressure

Correct Answer

B. lines of equal precipitation on maps

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Isohyets are lines on a map joining points of equal rainfall depth for a given storm or time period. The isohyetal method for areal average rainfall: A = (1/A_total) * sum[(I_i + I_i+1)/2 * A_i], where A_i = area between consecutive isohyets. More accurate than Thiessen polygon method for non-uniform rainfall distribution. Isohyets join points of equal rainfall

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This MCQ belongs to WBPSC AE Previous Years Questions Series. Full tests include timed attempts, rank comparison and subject-wise analysis.

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