Q. A jet of water discharging from a 40 mm diameter orifice has a diameter of 32 mm at its vena contracta. The coefficient of contraction is

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Q. According to Bazin's formula, the discharge over a rectangular weir is mL2g x H^3/2 where m is equal to

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Q. A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. Which of the following statement is correct?

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Q. Water is a __________ fluid.

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Q. The property of a liquid which controls its rate of flow is called viscosity.

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Q. The kinematic viscosity of an oil (in stokes) whose specific gravity is 0.95 and viscosity 0.011 poise, is

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Q. The factional resistance of a pipe varies approximately with __________ of the liquid.

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Q. If the coefficient of discharge is 0.6, then the discharge over a right angled notch is

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Q. According to Bazin, the coefficient of discharge varies with the height of water over the sill of a weir.

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Q. Falling drops of water become spheres due to the property of

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Q. The D-Alembert's principle is used for changing the dynamic equilibrium of a fluid mass, into a static equilibrium.

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Q. Whenever a plate is held immersed at some angle with the direction of flow of the liquid, it is subjected to some pressure. The component of this pressure, in the direction of flow of the liquid, is known as

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Q. The height of a water column equivalent to a pressure of 0.15 MPa is

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Q. The total energy of a liquid particle in motion is equal to

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Q. A notch is used to measure __________ of liquids.

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Q. A flow is called sonic, if the Mach number is unity.

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Q. 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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Q. A flow through a long pipe at decreasing rate is called __________ uniform flow.

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Q. The surface tension of mercury at normal temperature is __________ that of water.

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Q. The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ρ = Density of the fluid)

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