Q. A water tank contains 1.3 m deep water. The pressure exerted by the water per metre length of the tank is

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Q. The specific gravity has no units.

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Q. The depth of water in a channel corresponding to the minimum specific energy is known as critical depth.

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Q. The ratio of the inertia force to the gravity force is called Froude number.

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Q. Which of the following statement is wrong?

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Q. A glass tube of smaller diameter is used while performing an experiment for the capillary rise of water because

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Q. The viscosity of a liquid is due to cohesion of its particles.

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Q. A compound pipe is required to be replaced by a new pipe. The two pipes are said to be equivalent, if

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Q. In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be

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Q. The viscosity of water is __________ than that of mercury.

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Q. An open tank containing liquid is made to move from rest with a uniform acceleration. The angle 0 which the free surface of liquid makes with the horizontal is such that (where a = Horizontal acceleration of the tank, and g = Acceleration due to gravity)

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Q. The discharge over a triangular notch is

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Q. The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece)

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Q. The loss of pressure head in case of laminar flow is proportional to

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Q. The flow of water through the hole in the bottom of a wash basin is an example of

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Q. The Francis formula for the discharge over Cippoletti weir is

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Q. Laminar flow __________ place at very low velocities.

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Q. A manometer can be used to measure vacuum pressures.

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

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Q. The tendency of a liquid to uplift a submerged body, because of the upward thrust of the liquid, is known as buoyancy.

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