Q. Pick up the correct statement from the following :

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Q. The flow in open channel is said to be subcritical if the Froude number is

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Q. In C.G.S. system the unit of visocity is

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Q. The ratio of the percentage error in the discharge and percentage error in the measurement of head, over rectangular notch, is

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Q. In a short cylindercial external mouthpiece, the venacontracta occurs at a distance from the outlet of orifice equal to

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Q. If the pressure at the inlet of a pipe is 90 kg/cm² and pressure drop over the pipe line is 10 kg/cm², the efficiency of transmission, is

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Q. Pick up the incorrect statement from to following regarding triangular notch :

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Q. The flow in a channel is said to be non-uniform, if

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Q. In steady flow, which one of the following changes with time

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Q. The notch angle for maximum discharge over a triangular notch, is

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Q. In an inclined pipe, the pressure difference at its two ends is due to

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Q. Weber number is the ratio of inertia force to

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Q. Though angle of deviation of liquid is more in internal mouth piece, the contraction of the jet, is

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Q. For a most economical rectangular channel, the width of the channel must be

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Q. The hydrostatic force acts through

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Q. In an inclined position, a venturimeter records

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Q. If H is the depth of water retained by a vertical wall, the height of centre of pressure above the bottom is

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Q. For maximum power transmission through a nozzle, (where hf is the head lost due to friction)

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Q. 'Flow net' can be drawn only if the flow is

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Q. The flow in open channel is laminar if the Reynold number is

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