Q. For a most economical trapezoidal open channel, the half of the top width must be equal to

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Q. Pick up the correct statement regarding convergent divergent mouth piece from the following :

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Q. The value of kinetic energy correction factor (a) for a laminar flow through a circular pipe, is

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Q. A nozzle is fitted at the end of a pipe whose length is 320 m and diameter is 10 cm. If the value of f = 0.01, the diameter of the nozzle for the maximum transmission of power through the nozzle is

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Q. When the whole fluid mass rotates either due to fluid pressure or gravity or rotation previously imparted, the motion is known as

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Q. The ratio of the maximum height to which a jet inclined through θ rises to its total horizontal span is

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Q. For solving the problems is hydraulic engineering, the velocity used is

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Q. The shape of fire hose nozzle is generally kept

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Q. The dimensions MLT^-2 refers to

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Q. The line joining the points to which the liquid rises in vertical piezometer tubes fitted at different cross-sections of a conduit, is known as

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Q. Practical fluids possess

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Q. The depth of the centre of pressure on a vertical rectangular gate (4 m wide, 3 m high) with water upto top surface, is

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Q. The differential equation dp/ρ + gdz + vdv = 0 for a fluid motion is suggested by

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Q. An open container filled with water is moved vertically downward with a uniform linear acceleration. The pressure at its bottom will be

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Q. For uniform flow in canals

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Q. If H is height of the liquid above the sill, the effect of end contractions, according to Francis formula, is

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Q. Pick up the correct statement from the following :

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Q. The pressure less than atmospheric , pressure, is known

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Q. A rise or fall of liquid in a glass tube of a very small diameter when dipped is

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Q. To measure very low pressure, we use

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