Question

how atmospheric pressure help in working of a vacuum pump

Answer 1

Hey here is your Ans...

• ANVER Vacuum Material Handling
• ANVER Vacuum Material HandlingBasically, the higher you are, the less vacuum you can attain. Because free air is less dense at higher altitudes (i.e. lower atmospheric pressure) operation at these higher altitudes has the effect of reducing the capacity and maximum vacuum levels attainable.

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Answer 2

Answer:

That pressure is called atmospheric pressure, or air pressure. It is the force exerted on a surface by the air above it as gravity pulls it to Earth.

In a barometer, a column of mercury in a glass tube rises or falls as the weight of the atmosphere changes.

Basically, the higher you are, the less vacuum you can attain. Because free air is less dense at higher altitudes (. lower atmospheric pressure) operation at these higher altitudes has the effect of reducing the capacity and maximum vacuum levels attainable.