An error of 1% in measuring head over the apex of the notch (H) will produce an error of _________ in discharge over a triangular notch.
A. 1%
B. 1.5%
C. 2%
D. 2.5%
Answer: Option D
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Related Questions on Hydraulics and Fluid Mechanics in ME
A flow in which the quantity of liquid flowing per second is constant, is called __________ flow.
A. Steady
B. Streamline
C. Turbulent
D. Unsteady
A hydraulic ram is a device used to
A. Store the energy of water
B. Increase the pressure of water
C. To lift water from deep wells
D. To lift small quantity of water to a greater height when a large quantity of water is available at a smaller height
A. The weight of the body
B. More than the weight of the body
C. Less than the weight of the body
D. Weight of the fluid displaced by the body
Q = K*H^2.5.
On taking logarithm on both sides we get.
ln Q = ln K+2.5*lnH.
Now on differentiating the both sides we get the answer.