Signal Maintainer Practice Test

Which component is represented by the code T?

Sb T Tb Tc

Correct Answer:

Explanation:

This question tests reading a diagram’s legend and matching codes to components. On many signaling or electrical diagrams, each component is given a short code, and the legend spells out exactly what that code represents. When you see the code T, you identify the component by looking up T in the legend—the component that T stands for is the one represented by that code on the diagram. The other codes (Sb, Tb, Tc) point to different components, so they don’t match the symbol you’re asked about. In short, the correct choice is the component designated by the code T in the diagram’s legend.

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