Why is "inches of water column" used to measure gas pressure instead of psig?

What will be an ideal response?


"Inches of water column" is a smaller scale for lower pressures, like manifold pressures.

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Write the formula used to calculate the minimum distance between rows of PV modules.

What will be an ideal response?

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Height adjustability in shores made of dimension lumber

A) is provided through a screw-based metal assembly. B) is provided through lapped members clamped together with specially made clamps. C) is provided through A or B. D) is not provided.

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Describe the factors that affect the level of service of a freeway section and the impact each has on flow.

What will be an ideal response?

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?What alloys make up the filler metal BAlSi?

A. ?ammonia and sodiumĀ  B. ?alum and sulferĀ  C. ?aluminum and silicon D. ?aluminum and silver

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