Q. The phenomenon occuring in an open channel when a rapidly flowing stream abruptly changes to a slowly flowing stream causing a distinct rise of liquid surface, is

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Q. Inside pressure in a hollow soap bubble in the air is : (where d is the diameter of the bubble)

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Q. The momentum correction factor (β) for the viscous flow through a circular pipe is

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Q. A piezometer opening in pipes measures

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Q. An independent mass of a fluid does not posses

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Q. Liquids

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Q. The ratio of the percentagge error in the discharge and percentage error in the measurement of head over a triangular notch, is

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Q. The ratio of the inertia and gravitational force acting in any flow, ignoring other forces, is called

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Q. A rectangular channel 6 m wide and 3 m deep and having a bed slope as 1 in 2000 is running full. If Chezy's constant C = 54.8, pick up the correct specification of the channel from the following :

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Q. Non-over flow double curvature concrete arch, is provided in

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Q. Flow in pipes is laminar if Reynold number is

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Q. In flow, the liquid particles may possess

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Q. Euler's equation for the motion of liquids assumes that

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Q. The height of water level in a tank above the centre of a circular hole 2.5 cm in diameter is 50 m. The velocity of water flowing through the hole, is

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Q. A steady uniform flow is through

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Q. Cavitation is caused by

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Q. Mach number is the ratio of inertia force to

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Q. The main assumption of Bernoulli's equation is :

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Q. For critical depth of flow of water in open channels, fc the specific energy must be :

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Q. When water flows over a rectangular suppressed weir, the negative pressure created beneath the nappe

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