GATE CE 2026 Set 2 — Question 20
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Water Resources Engineering → Hydrology & Precipitation → Precipitation
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Question
Following statements are made with respect to the mass curve of rainfall:(I) Slope at a point on the curve can be positive.
(II) Slope at a point on the curve can be zero.Which one of the following options is CORRECT?
(II) Slope at a point on the curve can be zero.Which one of the following options is CORRECT?
Correct answer
(A) Both statements (I) and (II) are TRUE.
Solution
A mass curve of rainfall is a plot of cumulative rainfall against time. The slope of the mass curve at any point represents the intensity of rainfall at that instant ().
(I) When it is raining, the cumulative rainfall increases, so the slope is positive. Thus, statement (I) is TRUE.
(II) During a dry spell (no rain), the cumulative rainfall remains constant, so the slope is zero. Thus, statement (II) is TRUE.
(I) When it is raining, the cumulative rainfall increases, so the slope is positive. Thus, statement (I) is TRUE.
(II) During a dry spell (no rain), the cumulative rainfall remains constant, so the slope is zero. Thus, statement (II) is TRUE.
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