A micron gauge is used to measure ____.
A) atmospheric pressures at high altitudes
B) atmospheric pressures at sea level
C) absolute pressures below 1 mm Hg
D) high pressure in a refrigeration system

Question

Quizplus · Accepted Answer

A micron gauge is specifically designed to measure vacuum pressures, which are absolute pressures below 1 mm Hg (mercury). This tool is essential in applications like refrigeration and air conditioning systems maintenance, where achieving and verifying a deep vacuum is crucial.

A Micron Gauge Is Used to Measure ____