Q. The body will float if the force of buoyancy is __________ the weight of the liquid displaced.

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Q. According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, l = Length of pipe, v = Velocity of liquid in pipe, and d = Diameter of pipe)

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Q. The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called

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Q. The velocity of liquid flowing through an orifice varies with the available head of the liquid.

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Q. The specific gravity of water is taken as

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Q. A pitot tube is used to measure the

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

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Q. An internal mouthpiece is said to be running __________ if the length of the mouthpiece is more than three times the diameter of the orifice.

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Q. The reciprocal of Euler's number is called Newton number.

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Q. The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a triangular notch is given by

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Q. The separation of flow occurs when the hydrodynamic boundary layer thickness is reduced to zero.

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Q. If the depth of water in an open channel is less than the critical depth, the flow is called

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Q. A nozzle placed at the end of a water pipe line discharges water at a

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Q. When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called

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Q. The total pressure on the top of a closed cylindrical vessel competely filled up with a liquid is

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Q. Poise is the unit of viscosity in C.G.S. system of units.

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Q. The discharge through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel.

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Q. When the Mach number is more than 6, the flow is called

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Q. The discharge through a convergent mouthpiece is __________ the discharge through an internal mouthpiece of the same diameter and head of water.

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Q. Kinematic viscosity is the product of dynamic viscosity and the density of the liquid.

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