Residential HVAC Installation Practice Exam

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At standard atmospheric conditions, what pressure does the atmosphere exert?

  1. 7.348 psi

  2. 10.625 psi

  3. 14.696 psi

  4. 18.231 psi

The correct answer is: 14.696 psi

At standard atmospheric conditions, the pressure that the atmosphere exerts is known as one standard atmosphere (atm), which is equivalent to 14.696 pounds per square inch (psi). This value represents the average pressure at sea level on Earth and is commonly used as a reference point for pressure measurements in various fields, including HVAC installation. Options A, B, and D are not correct as they do not represent the standard atmospheric pressure of 14.696 psi. These values are not consistent with the universally accepted pressure measurement for standard atmospheric conditions.

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