A Dry Vent Must Remain Vertical Until It Rises at Least

question 21

Short Answer

A dry vent must remain vertical until it rises at least _____" above the flood level rim of the highest fixture served by that vent.

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Definitions:

Ordinal Data

Data that can be categorized or ranked in order, but the intervals between ranks may not be equal.

Interval Data

A type of numerical data where the difference between two values is meaningful, but there is no true zero point, allowing for comparisons of differences but not ratios.

Nominal Responses

Answers to survey questions that are categorized into groups without any inherent numerical value or order.

Ordinal Responses

Data that represent categories with a meaningful order but not necessarily equidistant intervals between categories.