Question

What is the difference between sharp crested weir and broad crested weir?

Answer 1

They main difference between the two types of weirs is where the critical depth, yc, occurs. ... Sharp-crested weirs are typically used to measure the discharge of smaller rivers and canals; whereas broad-crested weirs are typically used to measure or alter the flow of larger rivers and canals 

Answer 2

Sharp crested weirs are instruments which are used to measure the discharge of the small rivers while in the case of the broad crested weir, the measure over large discharge of canals are measured.

Explanation:

• The sharp crested weir will help in measuring the discharge of the water from the small rivers and canals and the weir is placed in the direction of the flow of water.
• The broad crested weir is one which the water flow discharge in measured from large water bodies like big canals.

To know more:

1) Hot water discharge can result in water pollution ❓

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2) Why is hot water discharge into river considered as a pollutant?

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