Civil Engineering - Water Resources Engineering - Discussion

22. 

If a gauge is installed perpendicular to the slope, its measurement is reduced by multiplying

[A]. sine of the angle of inclination with vertical
[B]. cosine of the angle of inclination with vertical
[C]. tangent of the angle of inclination with vertical
[D]. calibration coefficient of the gauge.

Answer: Option B

Explanation:

No answer description available for this question.

Sindhu said: (Aug 25, 2015)  
Please explain the answer. How is it cosine of the angle of inclination?

Deevanshu said: (Sep 9, 2018)  
Take components of vertical line (with angle measured from the vertical). The cosine of the vertical line is in direction of axis of the gauge.

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