test your home i.q.:  Answers 

1. Reversed polarity is the preferred method of wiring an electrical outlet.

No. Reversed polarity is actually one of the more common wiring mistakes made by amateur electricians. It's also one of easiest to correct. Under certain circumstances, this mistake can be hazardous to your health or equipment and should be corrected.

2. The most common leakage location on many roofs is:

Chimney Flashing This is a very common area for leaks to occur, primarily due to a lack of maintenance.

3. The average home inspection lasts:

2-3 hours

4. The best criterion/criteria for selecting an inspection company is/are:

Experience, credentials & depth of report

5. The best material to use for a dryer exhaust is:

Metal 

6. Most asphalt 3-tab shingled roofs last about:

15 to 20 years 

7. Home inspectors are licensed by the State of Minnesota.

No. Minnesota has no licensing for private home inspectors. This means it's critical that your inspector be a certified member or candidate of the American Society of Home Inspectors (ASHI). ASHI is the largest, oldest and most respected association in the inspection industry. Members have written Standards of Practice and must abide by a Code of Ethics. Certification requires passing two rigorous written tests and performance of a minimum of 250 paid inspections. All that is required by many other organizations is a dues check.

8. Bathroom exhaust fans should exhaust to:

Outdoors. Bathroom exhaust fans should exhaust to the exterior of the house.

9. GFCI (Ground Fault Circuit Interrupters) should be installed in:

All of these. GFCI outlets (also called circuit breakers) are important lifesaving devices recommended in numerous locations.

10. A TPR valve is optional equipment for a water heater.

False. TPRs (temperature relief valves) must be properly installed on water heaters.