NHIE Practice Test's Questions and
Answers
What describes partial vapor pressure?
A. Water Vapor has a tendency to disperse itself equally in the available air
B. Water vapor causes new homes to require house wrap
C. Water vapor is a common with forced induction natural gas furnaces
D. Water vapor ia an indication of sick house syndrome. - Answer✔✔-A. Water vapor has a
tendency to disperse itself equally in the available air.
To measure carbon monoxide, you should use a(n):
A. OC detector
B. OC2 detector
C. CO2 detector
D. CO detector - Answer✔✔-D. CO detector
The joints on the exterior of the brick chimney should be:
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A. Concaved
B. Raked
C. Open
D. Closed - Answer✔✔-A. Concaved.
To avoid scalding injuries, heating elements should be set to:
A. 100F
B. 110F
C. 120F
D. 130F - Answer✔✔-C. 120°F.
The following plumbing fixture valves should all be operated EXCEPT:
A. Shut-off vales
B. Hose bibbs
C. Sink faucets
D. Showers and tubs - Answer✔✔-A. Shut-off valves.
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The proper slope on a drain line is:
A. 1/4 inch to 1/2 inch per foot
B. Less than 1/4 inch per foot
C. 1 inch per foot
D. No slope - Answer✔✔-A. 1/4 inch to 1/2 inch per foot.
What type of foundation has a large amount of reinforced steel and is known as a floating
foundation?
A. Pier-and-grade beam foundation system
B. "Inverted T" spread footing foundation
C. "Battered" foundation footing system
D. Mat foundation slab - Answer✔✔-D. Mat foundation slab
Which of the following is a safety mandate in a remodeled home where a hydro-massage
bathtub has been added?
A. The faucets must be at the drain end
B. The tub area must have a venting fan
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