An instrument is to be calibrated to measure a range of 0 to 6,000 psi. For such a calibration:
A. oil or líquid should be used
B. Air must be used
C. An inert gas such as nitrogen is required
D. Any source of high pressure is acceptable
Answer:A
An instrument is to be calibrated to measure a range of 0 to 6,000 psi. For such a calibration:
A. oil or líquid should be used B. Air must be used C. An inert gas such as nitrogen is required D. Any source of high pressure is acceptable