Q. The line of action of the force of buoyancy acts through the centre of gravity of the volume of the liquid displaced.

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Q. The metacentric height is the distance between the

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Q. The viscosity of a liquid __________ its rate of flow through a hole in a vessel.

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Q. The formula for discharge over a sharp-crested weir and Ogee weir is same as that of a rectangular weir

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Q. The Cippoletti weir is a __________ weir.

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Q. When a body is placed over a liquid, it will float if

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Q. Gauge pressure at a point is equal to the absolute pressure __________ the atmospheric pressure.

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Q. The velocity at which the flow changes from laminar flow to turbulent flow is called

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Q. The discharge through a channel of trapezoidal section is maximum when

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Q. The vacuum pressure is always the negative gauge pressure.

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Q. The value of coefficient of discharge is __________ the value of coefficient of velocity.

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Q. When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as

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Q. The pressure of a liquid measured with the help of a piezometer tube is

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Q. The hydraulic gradient line lies over the centre line of the pipe by an amount equal to the

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Q. The flow in a pipe or channel is said to be non-uniform when

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Q. The ratio of the inertia force to the viscous force is called

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Q. A flow whose streamline is represented by a straight line, is called __________ dimensional flow.

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Q. The absolute pressure is equal to

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Q. When the pressure intensity at a point is more than the local atmospheric pressure, then the difference of these two pressures is called

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Q. The hammer blow in pipes occurs when

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