174 questions in Hydraulics and Fluid Mechanics - HI MCQ!

An error of 1% in measuring head over the crest of the notch (H) will produce an error of …… in discharge over a triangular notch?

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An internal mouthpiece is said to be running free if the length of the mouthpiece is diameter of the orifice?

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In an internal mouthpiece, if the jet after contraction does not touch the sides of the mouth piece, then the mouthpiece is said to be?

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When the flow in an open channel is gradually varied, the flow is said to be?

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The frictional resistance of a pipe varies approximately with ………… of the liquid?

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The Euler’s equation for the motion of liquids is based upon the assumption?

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A manometer is used to measure?

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Coefficient of contraction is the ratio of?

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The Cippoletti weir is a ……………. weir?

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A channel is said to be of most economical cross-section, if?

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