(i) A watershed has five non-recording rain gauge stations, installed in its area. The amount of rainfall recorded for one of the years is given below : Rain gauge station ||||||||||| IV V Annual rainfall, in cm 240 220 190 170 150 Find the required optimum number of non-recording and recording rain gauges for this watershed as per WMO. Assume an error of 8% in the estimation of mean rainfall.

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Find the required optimum number of non-recording and recording rain gauge.
(i)
A watershed has five non-recording rain gauge stations, installed in its area.
The amount of rainfall recorded for one of the years is given below :
Rain gauge station
Annual rainfall, in cm
|||||||| IV V
240 220 190 170 150
Find the required optimum number of non-recording and recording rain
gauges for this watershed as per WMO. Assume an error of 8% in the
estimation of mean rainfall.
Transcribed Image Text:(i) A watershed has five non-recording rain gauge stations, installed in its area. The amount of rainfall recorded for one of the years is given below : Rain gauge station Annual rainfall, in cm |||||||| IV V 240 220 190 170 150 Find the required optimum number of non-recording and recording rain gauges for this watershed as per WMO. Assume an error of 8% in the estimation of mean rainfall.
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