Barometric pressure on a Standard Day corresponds to which equivalent PSI?

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Multiple Choice

Barometric pressure on a Standard Day corresponds to which equivalent PSI?

Explanation:
Barometric pressure on a Standard Day uses sea-level standard atmosphere values. At sea level, the pressure is 29.92 inches of mercury (inHg). When you convert that to pounds per square inch (psi), you multiply by about 0.491. So 29.92 inHg × 0.491 ≈ 14.7 psi. That’s why the standard pressure is about 14.7 psi. The other numbers mix up the units or reference values (inHg or unrelated constants), so they don’t match the standard atmosphere pressure.

Barometric pressure on a Standard Day uses sea-level standard atmosphere values. At sea level, the pressure is 29.92 inches of mercury (inHg). When you convert that to pounds per square inch (psi), you multiply by about 0.491. So 29.92 inHg × 0.491 ≈ 14.7 psi. That’s why the standard pressure is about 14.7 psi. The other numbers mix up the units or reference values (inHg or unrelated constants), so they don’t match the standard atmosphere pressure.

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