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## In a laboratory, a flow experiment is performed over a hydraulic structure. The measured values of discharge and velocity are 0.05 m^3/s and 0.25 m/s, respectively. If the full scale structure (30 times bigger) is subjected to a discharge of 270 m^3/s, then the time scale (model to full scale) value (up to two decimal places) is ______ (GATE-CIVIL-Engg-2018)

## In a laboratory, a flow experiment is performed over a hydraulic structure. The measured

values of discharge and velocity are 0.05 m^3/s and 0.25 m/s, respectively. If the full scale

structure (30 times bigger) is subjected to a discharge of 270 m^3/s, then the time scale

(model to full scale) value (up to two decimal places) is ______

Asked On2019-04-11 14:10:01 by:naikaumprakash

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Download question setAnswersGiven :Discharge,Q0.05m_{m}^{3}/sLr = 1/30

Velocity,

V0.25m/s_{m}Full scale structure subjected to discharge

Q= 270 m_{p}^{3}/sTime scale (model to full scale),

T?_{r}According to Froude law ,

(

F)_{r}(_{m}F)_{r}_{p}_{V/(Lg)1/2 }_{Vr (Lr)1/2}_{Lr / Tr }_{Tr (Lr)1/2}(1/30)1/2Time scale , Tr 1/(30)1/2 = 0.1826 .Hence , time scale is 0.1826 .Likes:

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