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

question 29

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:

Culturally-Adaptive Instruction

Educational methods and practices that are modified to align with the cultural background, learning styles, and needs of diverse student populations.

Specific Praise

Praise targeted towards a specific action or behavior, meant to reinforce and encourage repetition of that behavior.

Novice Apprentices

Individuals at the beginning of a learning curve in a particular skill or profession, receiving training under the guidance of more experienced professionals.

Explicit Instruction

A teaching method that is direct, structured, and clear, with specific instructions provided to students for learning tasks.