NHIE Practice test Questions With 100% Correct Solutions.

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. - 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 - D. CO detector The joints on the exterior of the brick chimney should be: A. Concaved B. Raked C. Open D. Closed - A. Concaved. To avoid scalding injuries, heating elements should be set to: A. 100F B. 110F C. 120F D. 130F - 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 - A. Shut-off valves. 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 - 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 - D. Mat foundation slab