A convenient unit for expressing very low pressures is the micron. A micron abbreviated u is

Instrumentation and Process Control Mcqs

A.0.1 mm of Hg column absolute pressure at 0?C
B.1 mm of Hg column absolute pressure at 0?C
C.0.01 mm of Hg column absolute pressure at 0?C
D.0.001 mm of Hg column absolute pressure at 0?C

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