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 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 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.
Retrogression of the bed level of a river downstream a weir, occurs due to
In triangle PQR length of the side QR is less than twice the length of the side PQ by 2 cm. Length of the side PR exceeds the length of the side PQ by 10 cm. The perimeter is 40 cm. the length of the smallest side of the triangle PQR is:
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 semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will
The Cipoletti weir is a __________ weir.
As compared to crest of the normal portion of the weir, the crest of the under sluice portion of weir is kept at
The top of the weir over which the water flows is known as