The Best Method of Leak Checking Is When the Refrigeration

question 17

Multiple Choice

The best method of leak checking is when the refrigeration system is ____.

• A) in a vacuum
• B) open to the atmosphere
• C) operating with all fans activated
• D) standing with dry nitrogen pressure of 150 psig in the system

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Definitions:

Standard Deviation

A parameter reflecting the extent of diversity or spread in a group of numbers.

Normally Distributed

A type of distribution in which data points are symmetrically distributed around the mean, forming a bell-shaped curve.

Standard Deviation

A measure that quantifies the amount of variation or dispersion of a set of values from the mean.

Finite Population Correction Factor

A factor applied in sample size formulae to adjust for the effect of sampling without replacement from a finite population.