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Assessment of Water Quantity Source Capacity Measurements

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Assessment of Water Quantity Source Capacity Measurements

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Questions and Answers

What is the purpose of a V-Notch Weir?

To regulate the water level in a well

To divert water to different channels

To control the flow of water in a channel

To measure the rate of flow of water (correct)

What are the conditions required for measuring flow from a horizontal blow-off pipe?

The pipe must be flowing partially and must be vertical

The pipe must be flowing partially and must be horizontal

The pipe must be flowing full and must be vertical

The pipe must be flowing full and must be horizontal (correct)

What does an electric sounder or electrical depth gauge do?

Measures the water level in a well

Controls the flow of water in a channel

Determines the distance from the surface to the water level in the wellbore (correct)

Regulates the pressure of water in a pipe

What type of V-Notch Weir is particularly suited for small flows?

Triangular V-Notch Weir (A) Signup and view all the answers

What measurements can provide data reflecting the condition of a well?

Measurements of water levels in wells (C) Signup and view all the answers

What is the static water level in a well?

The distance from the center line of the discharge to the water surface in the well when there is no pumping (A) Signup and view all the answers

What does the yield of a well represent?

The volume of water per unit time that could be safely pumped from the well (D) Signup and view all the answers

What is the pumping water level in a well?

The vertical distance from the center line of the discharge to the water surface in the well while pumping (B) Signup and view all the answers

What does drawdown in a well refer to?

The difference between the static water level and the pumping water level (C) Signup and view all the answers

What method is used to measure discharge using a wristwatch or timer and a container of known volume?

Volumetric Method (C) Signup and view all the answers