The hydraulic mean depth or the hydraulic radius is the ratio of? Mark as favorite Copy Link area of flow and wetted perimeter wetted perimeter and diameter of pipe velocity of flow and area of flow none of these Check Answer
In open channels, the specific energy is the? Mark as favorite Copy Link total energy per unit discharge total energy measured with respect to the datum passing through the bottom of the channel total energy measured above the horizontal datum kinetic energy plotted above the free surface of water Check Answer
In a free nappe? Mark as favorite Copy Link the pressure below the nappe is atmospheric the pressure below the nappe is negative the pressure above the nappe is atmospheric the pressure above the nappe is negative Check Answer
The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to? Mark as favorite Copy Link half the depth half the breadth twice the depth twice the breadth Check Answer
For a perfect incompressible liquid, flowing in a continuous stream, the total energy of a particle remains the same, while the particle moves from one point to another. This statement is called? Mark as favorite Copy Link continuity equation Bernoulli's equation Pascal's law Archimede's principle Check Answer
The property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid, is called? Mark as favorite Copy Link surface tension compressibility capillarity viscosity Check Answer
In a short cylindrical external mouthpiece, the vena contracta occurs at a distance……….the diameter of the orifice from the outlet of orifice? Mark as favorite Copy Link equal to one-fourth one-third one-half Check Answer
An air vessel is provided at the summit in a syphon to? Mark as favorite Copy Link avoid interruption in the flow increase discharge increase velocity maintain pressure difference Check Answer
An opening in the side of a tank or vessel such that the liquid surface with the tank is below the top edge of the opening, is called? Mark as favorite Copy Link weir notch orifice none of these Check Answer
A notch is used to measure …………. of liquids? Mark as favorite Copy Link pressure discharge velocity volume Check Answer