NHIE 100 QUESTIONS & ANSWERS 100%
CORRECT!!
1. Buckling in horizontal vinyl siding is generally caused by
A. reflected sunlight.
B. improper fastening.
C. condensation in walls.
D. improper house wrap. Answer - improper fastening
2. 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 - 80 psi
3. 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. a carbon monoxide alarm.
C. a fire extinguisher.
D. a safety ladder. Answer - an escape and rescue opening
4. 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 - 4 inches
5. Refer to the photograph to answer this question. What should an inspector
recommend to the client regarding the conditions shown in relation to the
downspout/rain leader?
A. Nothing, the downspout is properly installed.
B. Gravel should be installed under the downspout.
C. The downspout should be moved away from the siding.
D. A contractor should evaluate the downspout and recommend repairs.A
contractor should evaluate the downspout and recommend repairs Answer -
6. 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
C. a non-contact moisture meter
D. a digital camera Answer - a non-contact moisture meter
7. 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 - rust and metal fatigue.
, 8. Relative Humidity (RH) is expressed as
A. volume.
B. percentage.
C. capacity.
D. temperature. Answer - percentage.
9. Connections of dissimilar metal in a plumbing system, such as galvanized
steel pipe and copper pipe, will usually cause
A. reduced water pressure.
B. decreased water quality.
C. glazed pipes.
D. electrolysis. Answer - electrolysis.
10. 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 - disconnects
the power when sensing current leakage to ground
11. 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.
CORRECT!!
1. Buckling in horizontal vinyl siding is generally caused by
A. reflected sunlight.
B. improper fastening.
C. condensation in walls.
D. improper house wrap. Answer - improper fastening
2. 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 - 80 psi
3. 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. a carbon monoxide alarm.
C. a fire extinguisher.
D. a safety ladder. Answer - an escape and rescue opening
4. 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 - 4 inches
5. Refer to the photograph to answer this question. What should an inspector
recommend to the client regarding the conditions shown in relation to the
downspout/rain leader?
A. Nothing, the downspout is properly installed.
B. Gravel should be installed under the downspout.
C. The downspout should be moved away from the siding.
D. A contractor should evaluate the downspout and recommend repairs.A
contractor should evaluate the downspout and recommend repairs Answer -
6. 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
C. a non-contact moisture meter
D. a digital camera Answer - a non-contact moisture meter
7. 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 - rust and metal fatigue.
, 8. Relative Humidity (RH) is expressed as
A. volume.
B. percentage.
C. capacity.
D. temperature. Answer - percentage.
9. Connections of dissimilar metal in a plumbing system, such as galvanized
steel pipe and copper pipe, will usually cause
A. reduced water pressure.
B. decreased water quality.
C. glazed pipes.
D. electrolysis. Answer - electrolysis.
10. 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 - disconnects
the power when sensing current leakage to ground
11. 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.
