FREE NHIE Building Systems and Components Questions and Answers

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What is the primary purpose of a home's foundation?

Correct! Wrong!

The foundation distributes the weight of the building to the ground, ensuring stability and preventing settlement or shifting. It also resists soil movement and provides a solid base for the structure.

Which of the following indicates a potential safety issue in an electrical panel?

Correct! Wrong!

Double-tapping occurs when two wires are connected to a breaker designed for only one wire, which can cause overheating and pose a fire risk. It is a common issue inspectors look for.

What is the minimum slope required for a horizontal drain pipe to ensure proper flow?

Correct! Wrong!

A slope of 1/4 inch per foot is standard for horizontal drain pipes to maintain adequate flow and prevent blockages or backups.

Which of the following is a sign of potential roof failure?

Correct! Wrong!

Granules protect asphalt shingles from UV damage and weathering. If they are missing, the shingles can deteriorate faster, leading to roof leaks and eventual failure.

What is the main purpose of the condensate drain in an air conditioning system?

Correct! Wrong!

The condensate drain removes water formed when humid air passes over the cold evaporator coil. If the drain is clogged, it can cause water damage or reduce system efficiency.

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