It is important to maintain a positive grade away from the structure of at LEAST _______ inch drop per foot for six feet. A. 1/4 B. 1/2 C. 3/4 D. 1 ✔✔1 Which of the following BEST describes the report statement shown below? "The roof is in good condition for its age." A. Conclusion B. Recommendation C. Description D. Disclaimer ✔✔Conclusion Which of the following conditions would be LEAST critical to your client's safety? A. A pin hole in the heat exchanger B. No handrails on an interior stairway C. Lack of a pressure and temperature relief valve on the water heater D. A non-reversing garage door opener ✔✔A pin hole in the heat exchanger The normal MINIMUM run for a residential stair tread is: A. 7 in. B. 8 in. C. 9 in. D. 11 in. ✔✔9 inches Standard three light electrical testers are NOT always reliable because: A. Some receptacles only have two prongs B. Three light testers sometimes have broken bulbs C. Three light testers will not detect multiple wiring problems D. Different test device manufactures have different light patterns ✔✔Three light testers will not detect multiple wiring problems Bulging plaster is observed high up on several bedroom walls. The primary concern is the bulging plaster is a(n): A. installation defect B. indication the home was very cold for a period of time C. indication the air handler leaked D. potential safety issue ✔✔Potential safety issue