Civil Engineering - Hydraulics
Exercise : Hydraulics - Section 3
1.
For exerting a pressure of 4.8 kg/cm2, the depth of oil (specific gravity 0.8), should be
2.
A cylindrical vessel 40 cm high is revolved about its vertical axis so that the water touches the bottom when it just spills out. If the radius of the cylinder is 5 cm, the angular velocity of rotation, is
3.
For the flow of liquid from an open ended tube (or nozzle) leading to the formation of spray of liquid drops, the number generally applied, is
4.
In Newton's viscosity equation 
, the coefficient (μ) is known as coefficient of
, the coefficient (μ) is known as coefficient of5.
An error of 1% in measuring the head of water over the crest of a triangular notch, produces an error in the discharge which is equal to
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