CETP 4.3 Installing Apiances and Interior Vapor Distribution Systems questions with correct answers

What type of appliances are constructed so that all air is derived directly from the outdoors through one type of duct or pipe, and all Flue gasses are discharged to the outdoors through another duct or pipe? - Answer Direct Vent Name Plates are required when installing a (Blank) appliance? - Answer Listed Two factors that must be considered when selecting appliance for a given application? - Answer Venting and combustion air What method for calculating combustion air is used when the air infiltration rate is unknown? - Answer Standard calculation method When determining the air infiltration rate using the KAIR method, the following must be determined? - Answer Building Air Change per Hour(ACH), combustion air opening sizes, and building parameters. Which method is used when supplying additional air to a structure by creating two permanent openings in a single room, one on top, one on bottom, each with 12 inches of clearance from ceiling or floor? - Answer Two openings method The three sources for supplying additional air to a structure that is found to have inadequate air supply are indoor air, outdoor air, and (blank). - Answer Combination indoor and outdoor air.