When inspecting components and systems, safety is a primary concern. Which of the following conditions is considered the WORST safety hazard?
A)Stairways with no handrails
B)Deck that is leaning
C)Attic that is not ventilated
D)Heat exchanger with a pinhole

Question

Quizplus · Accepted Answer

When inspecting components and systems, safety is a primary concern. The worst safety hazard above is a heat exchanger with a pinhole. Any type of defect in a heat exchanger is dangerous. Carbon monoxide leakage is possible even with the tiniest of defects. Recommend that the heat exchanger not be used until it can be repaired or replaced.

When Inspecting Components and Systems, Safety Is a Primary Concern