Study Guide Answer Key

Here are the answers to the Dec. 10, 2020 edition of TPO's Exam Study Guide: 1. When conducting smoke testing on a collections system, what does smoke rising from a house vent indicate?The answer to the question is D. Smoke testing is a valuable method of identifying inflow and infiltration in the collections system. After the smoke is introduced into the system, you can make visual observations of smoke. Smoke rising from a roof vent is a good indicator of a properly hooked up home. Smoke rising from the ground indicates possible cracks or infiltration. Smoke rising from a home's rain gutters is usually an