Coefficient of contraction is the ratio of? Mark as favorite Copy Link actual velocity of jet at vena contracta to the theoretical velocity loss of head in the orifice to the head of water available at the exit of the orifice actual discharge through an orifice to the theoretical discharge area of jet at vena contracta to the area of orifice Check Answer
The pressure less than atmospheric pressure is known as? Mark as favorite Copy Link suction pressure vacuum pressure negative gauge pressure all of these Check Answer
The discharge through a channel of rectangular section will be maximum, if? Mark as favorite Copy Link its depth is twice the breadth its breadth is twice the depth its depth is thrice the breadth its breadth is thrice the depth Check Answer
The power transmitted through the pipe is maximum when the head lost due to friction is equal? Mark as favorite Copy Link one-fourth of the total supply head one-third of the total supply head one-half of the total supply head two-third of the total supply head Check Answer
The discharge through a convergent mouthpiece is …………. the discharge through an internal mouthpiece of the same diameter and head of water? Mark as favorite Copy Link equal to one-half three fourth double Check Answer
In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is …………. the head of water on the upstream side of weir? Mark as favorite Copy Link equal to one-third two-third three-fourth Check Answer
The magnitude of water hammer depends upon the? Mark as favorite Copy Link elastic properties of the pipe material elastic properties of the liquid flowing through the pipe speed at which the valve is closed all of the above Check Answer
A flow in which the quantity of liquid flowing per second is not constant, is called? Mark as favorite Copy Link streamline flow turbulent flow steady flow unsteady flow Check Answer
A flow through a long pipe at constant rate is called? Mark as favorite Copy Link steady uniform flow steady non-uniform flow unsteady uniform flow unsteady non-uniform flow 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