An instrument that measures air pressure using a partially evacuated chamber is called an_____ barometer.
A) barograph
B) caliper
C) mercurial
D) aneroid

Question

An instrument that measures air pressure using a partially evacuated chamber is called an_____  barometer.
A) barograph
B) caliper
C) mercurial
D) aneroid

Quizplus · Accepted Answer

An instrument that measures air pressure using a partially evacuated chamber is called an aneroid barometer. The other options are not specific to measuring air pressure - a barograph measures changes in air pressure over time, a caliper measures distance or thickness, and a mercurial instrument uses a column of mercury to measure pressure.

An Instrument That Measures Air Pressure Using a Partially Evacuated