NHIE Building Systems and Components

Question 1

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

Accepted Answer

To transfer the load of the structure to the ground

Answer

To prevent moisture from entering the basement

Answer

To provide a level surface for flooring materials

Answer

To enhance the home's aesthetic appeal

Question 2

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

Accepted Answer

Double-tapped breakers

Answer

Breaker labeled for its circuit

Answer

Grounding wire connected to the neutral bus bar

Answer

Properly sized circuit breakers

Question 3

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

Accepted Answer

1/4 inch per foot

Answer

1/16 inch per foot

Answer

1/8 inch per foot

Answer

1/2 inch per foot

Question 4

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

Accepted Answer

Granule loss exposing the asphalt layer

Answer

Minor algae growth on shingles

Answer

Properly aligned shingles with intact flashing

Answer

A slight dip in the roof over the garage

Question 5

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

Accepted Answer

To remove condensation from the evaporator coil

Answer

To remove humidity from the air

Answer

To drain water from the compressor

Answer

To prevent refrigerant leakage