Related Questions

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.
A Equal to
B One-third
C Two-third
D Three-fourth
A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest.
A Equal to
B Less than
C More than
D None of these
A weir is said to be broad crested weir, if the width of the crest of the weir is ________ half the height of water above the weir crest.
A Equal to
B Less than
C More than
D None of these
When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as
A Narrow-crested weir
B Broad-crested weir
C Ogee weir
D Submerged weir
A weir is used to measure the large water discharge rate from a river or from an open channel. A weir is not of __________ shape.
A Circular
B Rectangular
C Triangular
D Trapezoidal
The Cipoletti weir is a __________ weir.
A Rectangular
B Triangular
C Trapezoidal
D Circular
As compared to crest of the normal portion of the weir, the crest of the under sluice portion of weir is kept at
A lower level
B higher level
C same level
D any of the above depending on the design
The discharge over a broad crested weir is maximum when the depth of flow is (where H is the available head)
A $$\frac{{\text{H}}}{3}$$
B $$\frac{{2{\text{H}}}}{3}$$
C $$\frac{{\text{H}}}{2}$$
D $$\frac{{2{\text{H}}}}{5}$$
The discharge through a semi-circular weir varies as (where, H = Head of liquid.)
A H
B H2
C $${{\text{H}}^{\frac{3}{2}}}$$
D $${{\text{H}}^{\frac{1}{2}}}$$
The discharge over the trapezoidal notch is equal to the discharge over the rectangular notch __________ the discharge over the triangular notch.
A Plus
B Minus
C Divide
D None of these

Next steps