A boiler forced draft pressure gage...

Question 1 / 205eccef9bbacbc34ba4d4511a

Question 1 of 205eccef9bbacbc34ba4d4511a

A boiler forced draft pressure gage indicates nine (9) inches of water. This corresponds to a pressure of __________.

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Question 1 of 20

5eccef9bbacbc34ba4d4511a

A boiler forced draft pressure gage indicates nine (9) inches of water. This corresponds to a pressure of __________.

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🔍 Key Concepts

• pressure conversion between inches of water and psi (pounds per square inch) • the standard relationship: about 27.7 inches of water = 1 psi • setting up a ratio or unit-conversion to go from inches of water to psi

💭 Think About

• How can you express 9 inches of water as a fraction of 27.7 inches of water, if 27.7 inches is equal to 1 psi? • Once you have that fraction, what does that number represent in psi, and which choice is closest to it? • Are any of the answer choices clearly too large to be the pressure from only 9 inches of water column?

✅ Before You Answer

• Use the approximate conversion 1 psi ≈ 27.7 in. H₂O for low pressures. • Compute 9 ÷ 27.7 (or a close mental estimate) before looking at the choices. • Verify that your result is a small decimal psi value (< 0.5 psi), since 9 inches of water is a relatively low pressure.

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Question 1 of 20

A boiler forced draft pressure gage indicates nine (9) inches of water. This corresponds to a pressure of __________.

0.216 psi

0.228 psi

0.325 psi

0.433 psi

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