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Farm Machinery and Energy in Agriculture (Farm Power and Equipment Engineering- Tractor and Its Classification)
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What is the P-A ratio?
Question

What is the P-A ratio?

A.

50% size of gravel pack / 50% size of aquifer

B.

10% size of gravel pack / 10% size of aquifer

C.

10% size of gravel pack / 50% size of aquifer

D.

10% size of gravel pack / 90% size of aquifer

Correct option is A

The P-A ratio refers to 50% size of gravel pack / 50% size of aquifer, used in designing efficient well screens.

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