A-One of four monthly reading rain gages on a catchment area develops a fault in a month when the other three gages record, respectively (37, 43, 51)mm. If the average annual precipitation of these three gages are (726, 752, 840) mm, respectively and (694mm) of the broken gage. Estimate the missing monthly precipitation at the later station.

Structural Analysis
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Chapter2: Loads On Structures
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A-One of four monthly reading rain gages on a catchment area develops a fault in a
month when the other three gages record, respectively (37, 43, 51)mm. If the average
annual precipitation of these three gages are (726, 752, 840) mm, respectively and
(694mm) of the broken gage. Estimate the missing monthly precipitation at the later
station.
B-On a certain river, the following data obtained by stream gage:
Water stage(m)
Flow rate(cumecs)
Main staff Auxiliary staff
122
121.5
400
122
120.5
680
Estimate the flow rate when the main staff read (122m) and the auxiliary staff read
(121.1m)?
C-The following table represents the relation between the recorded discharges and the
water levels. Estimate the following relation and find Q when H=15m.
Q=a (H-2) b
10
20
40
100
Q(m³/s)
H(m)
5
7
9
10
Transcribed Image Text:A-One of four monthly reading rain gages on a catchment area develops a fault in a month when the other three gages record, respectively (37, 43, 51)mm. If the average annual precipitation of these three gages are (726, 752, 840) mm, respectively and (694mm) of the broken gage. Estimate the missing monthly precipitation at the later station. B-On a certain river, the following data obtained by stream gage: Water stage(m) Flow rate(cumecs) Main staff Auxiliary staff 122 121.5 400 122 120.5 680 Estimate the flow rate when the main staff read (122m) and the auxiliary staff read (121.1m)? C-The following table represents the relation between the recorded discharges and the water levels. Estimate the following relation and find Q when H=15m. Q=a (H-2) b 10 20 40 100 Q(m³/s) H(m) 5 7 9 10
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