Why we use mmwc unit for pressure

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Why we use mmwc unit for pressure..

mmwc is used to measure pressure below 1kg/cm^2

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Why we use mmwc unit for pressure..

Answer / mahesh pakki

Milli Meter Water Column (MMWC) Used to measure pressure

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Why we use mmwc unit for pressure..

Answer / rampal.m.

The mmWC is a engineering unit.It is used for below range of pressure measurement.

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