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When leak testing a low-pressure centrifugal, what is the maximum test pressure?

1) 0.1 psig
2) 10 psig
3) 10 inches of Mercury
4) 14.7 psia
5) 50 psig

Answer :

Final answer:

When leak testing a low pressure centrifugal, the probable maximum test pressure would be 10 psig (Option 2).

Explanation:

The maximum test pressure in leak testing a low pressure centrifugal depends on a variety of factors including the specific make and model of the centrifugal, the pressure it is designed to handle, and the testing procedures set by the manufacturer or governing bodies. However, based on the options given, the most likely maximum test pressure would be 10 psig (Option 2) as this is a relatively low pressure but still enough to detect any potential leaks.

The choice of test pressure also must consider the safety margin, which is the buffer between the normal operating pressure and the pressure at which failure may occur. For instance, the earth's atmospheric pressure is 14.7 lb in-2 but that doesn't mean it's a safe operating pressure for all equipment.

Remember, when defining or interpreting pressure values, it's important to understand the units used and conversions between them, such as from Pa (Pascal, a unit of pressure in the International System of Units) to psig (pound-force per square inch gauge, a common unit of pressure in the US).



Thus, the correct answer is number 2.

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