A manometer, read carefully:
A. Always has zero error
B. Has an error caused by the liquid’s impurity unless corrected
C. May have an error caused by temperature and gravity effects on the various components and so on.
D. Has an error that varies only with altitude
Answer:C
A manometer, read carefully:
A. Always has zero error B. Has an error caused by the liquid’s impurity unless corrected C. May have an error caused by temperature and gravity effects on the various components and so on. D. Has an error that varies only with altitude