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Which device is popularly used for measuring difference of low pressure?

(a) Inverted U-tube Differential Manometer

(b) U-tube Differential Manometer

(c) Inclined Single column manometer

(d) Vertical Single column manometer

I have been asked this question during an interview.

Origin of the question is Measurement of Pressure, Simple and Differential Manometers topic in portion Pressure and Its Measurement of Fluid Mechanics

1 Answer

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Best answer
The correct choice is (a) Inverted U-tube Differential Manometer

For explanation: Inverted U-tube Differential Manometer has lighter manometric fluid, Hence it is used for measuring the low pressure difference.

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