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NORTH CAROLINA MECHANICAL INSPECTOR LEVEL
II CERTIFICATION EXAMINATION COMPLETE
VERIFIED QUESTIONS AND DETAILED SOLUTIONS
LATEST UPDATE THIS YEAR JUST RELEASED
A three-prong receptacle requires:
a. GFCI
b. Grounding conductor
c. Ground wire to a water pipe
d. Illegal - Answer-Grounding conductor
The neutral wire:
a. Serves only one function
b. Must be wired to ground bar
c. Provides means to ground
d. Returns 110v to ground - Answer-Returns 110v to
ground
Ice forming on the A/C evaporator coil is caused by:
a. Too much air
b. Not enough air
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c. Sized wrong
d. All of above - Answer-Not enough air
The exhaust vent of a gas dryer:
a. Must be vented to the outside
b. Vented to a 'B' type vent only
c. Can be vented to a chimney with a gas furnace if it is on
the bottom
d. Vented to an 'L' type vent only - Answer-Must be vented
to the outside
Refer to Fig. 4, a 3-tab asphalt shingle installed on a 5/12
pitch roof should have a
minimum of:
a. 6 nails
b. 8 nails
c. 4 nails
d. 5 nails - Answer-4 nail
Deck built 14" off ground around a home:
a. Needs handrail
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b. Needs railings
c. Does not need to be inspected
d. Requires no railing - Answer-Requires no railing
Refer to Fig. 5. Which connection prevents uplift:
a. A
b. B
c. C
d. None of the above - Answer-C
In an electrical sub panel, the neutral wire must be:
a. Separated from the ground
b. Isolated
c. Wired to ground
d. Both separated from ground and isolated - Answer-Both
separated from ground and isolated
Refer to Fig. 6, pressure is exerted:
a. Horizontally to top plate
b. Vertically to top plate
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c. Vertically to top plate and stress to ridge beam
d. Horizontally and vertically to top plate - Answer-
Horizontally and vertically to top plate
Trusses:
a. Can be cut
b. Can never be cut
c. Have two bearing points
d. Should not be used - Answer-Have two bearing points
You see a return air register in the side of a furnace:
a. Say nothing
b. Needed
c. Can cause flue gases to be drawn into supply air
d. Have no effect on operation - Answer-Can cause flue
gases to be drawn into supply air
Mid-efficiency furnace:
a. No draft diverter required
b. Needs spark ignition
c. Has pilot light only
NORTH CAROLINA MECHANICAL INSPECTOR LEVEL
II CERTIFICATION EXAMINATION COMPLETE
VERIFIED QUESTIONS AND DETAILED SOLUTIONS
LATEST UPDATE THIS YEAR JUST RELEASED
A three-prong receptacle requires:
a. GFCI
b. Grounding conductor
c. Ground wire to a water pipe
d. Illegal - Answer-Grounding conductor
The neutral wire:
a. Serves only one function
b. Must be wired to ground bar
c. Provides means to ground
d. Returns 110v to ground - Answer-Returns 110v to
ground
Ice forming on the A/C evaporator coil is caused by:
a. Too much air
b. Not enough air
,2|Page
c. Sized wrong
d. All of above - Answer-Not enough air
The exhaust vent of a gas dryer:
a. Must be vented to the outside
b. Vented to a 'B' type vent only
c. Can be vented to a chimney with a gas furnace if it is on
the bottom
d. Vented to an 'L' type vent only - Answer-Must be vented
to the outside
Refer to Fig. 4, a 3-tab asphalt shingle installed on a 5/12
pitch roof should have a
minimum of:
a. 6 nails
b. 8 nails
c. 4 nails
d. 5 nails - Answer-4 nail
Deck built 14" off ground around a home:
a. Needs handrail
,3|Page
b. Needs railings
c. Does not need to be inspected
d. Requires no railing - Answer-Requires no railing
Refer to Fig. 5. Which connection prevents uplift:
a. A
b. B
c. C
d. None of the above - Answer-C
In an electrical sub panel, the neutral wire must be:
a. Separated from the ground
b. Isolated
c. Wired to ground
d. Both separated from ground and isolated - Answer-Both
separated from ground and isolated
Refer to Fig. 6, pressure is exerted:
a. Horizontally to top plate
b. Vertically to top plate
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c. Vertically to top plate and stress to ridge beam
d. Horizontally and vertically to top plate - Answer-
Horizontally and vertically to top plate
Trusses:
a. Can be cut
b. Can never be cut
c. Have two bearing points
d. Should not be used - Answer-Have two bearing points
You see a return air register in the side of a furnace:
a. Say nothing
b. Needed
c. Can cause flue gases to be drawn into supply air
d. Have no effect on operation - Answer-Can cause flue
gases to be drawn into supply air
Mid-efficiency furnace:
a. No draft diverter required
b. Needs spark ignition
c. Has pilot light only
