Which of the following is an example of a primary pressure standard?
A. A mercury manometer
B. A bourdon tube pressure gauge
C. A pressure transducer
D. A digital pressure gauge
Answer:A
Which of the following is an example of a primary pressure standard?
A. A mercury manometer B. A bourdon tube pressure gauge C. A pressure transducer D. A digital pressure gauge
Explanation: A mercury manometer is an example of a primary pressure standard, meaning it is a direct and accurate measurement of pressure that can be used to calibrate other pressure measurement devices.