The coefficient of discharge is the ratio of theoretical discharge to the actual discharge through an orifice.

Related MCQs

• The discharge through a large rectangular orifice is given by (where H1 = Height of the liquid above the top of the orifice, H2 = Height of the liquid above the bottom of the orifice, b = Breadth of the orifice, and Cd = Coefficient of discharge)
• If the value of coefficient of discharge increases, the discharge through the orifice decreases.
• A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a
• The value of coefficient of velocity for a sharp edged orifice __________ with the head of water.
• A jet of water discharging from a 40 mm diameter orifice has a diameter of 32 mm at its vena contracta. The coefficient of contraction is
• The value of coefficient of velocity for a sharp edged orifice
• The discharge through a convergent mouthpiece is __________ the discharge through an internal mouthpiece of the same diameter and head of water.
• When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is
• If the coefficient of discharge is 0.6, then the discharge over a right angled notch is
• The velocity of liquid flowing through an orifice varies with the available head of the liquid.