When Troubleshooting a Three Zone Hydronic Heating System,the Technician Observes

question 14

Multiple Choice

When troubleshooting a three zone hydronic heating system,the technician observes that two zones are operating correctly while the third zone is not getting warm during a call for heat,what is the most likely problem?

• A) defective zone valve
• B) defective circulator motor
• C) open high limit
• D) defective burner

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Definitions:

Nominal Scale

A measurement scale used for categorizing variables without a quantitative value or order.

Pie Graph

A visual representation of data that divides a circle into slices to illustrate numerical proportions.

Frequency Distribution

A table or graph that displays how often different values or categories occur in a dataset.

Histogram

A histogram is a graphical representation that organizes a group of data points into user-specified ranges, showing the frequency of data values within those ranges.