NHIE Study Guide 2024 with Complete
Solutions
Buckling in horizontal vinyl siding is generally caused by
A. Reflected sunlight.
B. Improper fastening.
C. Condensation in walls.
D. improper house wrap. - Answer✔✔-B. Improper fastening.
At what level would water pressure within a single-family dwelling begin to be considered
excessive and require correction?
A. 60 psi
B. 80 psi
C. 100 psi
D. 120 psi. - Answer✔✔-B. 80 psi
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A newer home with electric heat is being inspected. It has a below grade finished basement
containing a bedroom, The inspector should look for a smoke alarm and
A. An escape and rescue opening.
B. carbon monoxide alarm.
C. fire extinguisher.
D. safety ladder. - Answer✔✔-A. An escape and rescue opening.
A swimming pool fence must prevent passage of a sphere that is larger than
A. 2 inches.
B. 3 inches.
C. 4 inches.
D. 5 inches. - Answer✔✔-C. 4 inches.
If water infiltration is suspected behind a finished surface. What tool would be the best choice
to verify dampness?
A. an infrared thermometer
B. a pin-type moisture meter
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C. a non-contact moisture meter
D. a digital camera - Answer✔✔-C. a non-contact moisture meter
Gas-fired furnace heat exchangers most often fail from
A. Low temperatures.
B. Lack of use.
C. Improper gas pressure.
D. Rust and metal fatigue. - Answer✔✔-D. Rust and metal fatigue.
Relative Humidity (RH) is expressed as
A. volume.
B. percentage.
C. capacity.
D. temperature. - Answer✔✔-B. percentage.
Connections of dissimilar metal in plumbing system, such as galvanized steel pipe and copper
pipe, will usually
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A. reduced water pressure
B. decreased water quality
C. Glazed pipes
D. Electrolysis - Answer✔✔-D. Electrolysis
A Ground fault circuit interrupter (GFCI) is a safety device that
A. disconnects power when the grounding to the outlet is faulty.
B. detects moisture and disconnects power in wet locations.
C. disconnects the power when sensing current leakage to ground.
D. protects against electrical surges and voltage spikes. - Answer✔✔-C. disconnects the power
when sensing current leakage to ground.
An electrical system with a fuse on the neutral conductor and on the energized (hot) conductors
A. is twice as safe as a system where only the energized (hot) conductors are fused.
B. should have the neutral conductor fuse sized to one half the normal ampacity for the circuit.
C. Is overfused up to 50% if used only for lighting.
D. Is hazardous and should be corrected. - Answer✔✔-D. Is hazardous and should be corrected.
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