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)

Related MCQs

• The coefficient of discharge is the ratio of theoretical discharge to the actual discharge through an orifice.
• If the value of coefficient of discharge increases, the discharge through the orifice decreases.
• When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is
• The discharge over the trapezoidal notch is equal to the discharge over the rectangular notch __________ the discharge over the triangular notch.
• When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece)
• The velocity of liquid flowing through an orifice varies with the available head of the liquid.
• The discharge over the trapezoidal notch is equal to the discharge over the rectangular notch
• When the corfficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is
• The discharge over a right angled notch is (where H = Height of liquid above the apex of notch)
• A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall per unit length is (where w = Specific weight of liquid, and H = Height of liquid)