The reading on a mercury manometer at 70(°F) (open to the atmosphere at one end) is 25.62(in). The local
What will be an ideal response?
The total pressure is equal to atmospheric pressure plus the weight per area of the mercury column. The
only trick is to do this in the non-SI units given. Let us compute the pressure in psia (pounds-force per square inch, absolute). To do so, we should convert the density of mercury from Thus,
We also need to convert atmospheric pressure from in Hg to psia by multiplying by 0.4912 psi/(in Hg).
So,
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Oversized equipment operates:
A) More efficiently than correctly sized equipment. B) About the same efficiency, but also has reserve capacity. C) At the same efficiency as correctly sized equipment. D) Less efficiently than correctly sized equipment.
Constant volume sampling generally tests for four gasses:
A. O2, N2, HC, and CO2 B. CO, HC, NOx, and CO2 C. NOx, H2O, CO2, and CO D. NOx, O2, N2, and H2O
You should still measure severely damaged journals before replacing the part.
Answer the following statement true (T) or false (F)
Gas metal arc welding and flux cored arc welding are similar welding processes.
Answer the following statement true (T) or false (F)