Why we are cooling screw pump as + displacement pump?

Question Posted / n_raja

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Why we are cooling screw pump as + displacement pump?..

coz here actual motion/movement of water takes place due to screwing action.after that pumping takes place.

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Why we are cooling screw pump as + displacement pump?..

Answer / prithiv

input=output,or input<output so called as + displacement pump

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Why we are cooling screw pump as + displacement pump?..

Answer / madhanagopal,k

coz flid gets traped between two helicl flutes of the screw
pump. so it is a positive displacement pump.

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