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 discharge through a V-notch weir varies as
A $${{\text{H}}^{\frac{3}{2}}}$$
B $${{\text{H}}^{\frac{1}{2}}}$$
C $${{\text{H}}^{\frac{5}{2}}}$$
D $${{\text{H}}^{\frac{2}{3}}}$$
The discharge through a rectangular weir varies as
A $${{\text{H}}^{\frac{1}{2}}}$$
B $${{\text{H}}^{\frac{5}{2}}}$$
C $${{\text{H}}^{\frac{2}{5}}}$$
D $${{\text{H}}^{\frac{3}{2}}}$$
The discharge through a convergent mouthpiece is __________ the discharge through an internal mouthpiece of the same diameter and head of water.
A Equal to
B One-half
C Three fourth
D Double
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

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