Construction Materials, Methods, and Techniques Chapter 24

Construction Materials, Methods, and Techniques Chapter 24 WHAT TYPE OF INSULATION IS MADE FROM RECYCLED NEWSPRINT AND OTHER PAPER STOCK THAT HAS BEEN TREATED FOR FIRE AND PEST RESISTANCE? ️️CELLULOSE IF ONE WANTS A SEMI PERMEABLE VAPOR RETARDER, YOU WOULD SELECT ONE WITH A PERM RATING OF _____. ️️Vapor semi-permeable vapor retarders have a perm rating of 1.1 to 10. HEAT TRANSFER BY _____ INVOLVES THE TRANSFER OF HEAT BY THE CIRCULATION OR MOVEMENT OF HEATED LIQUIDS OR GASES. ️️CONVECTION VOIDS IN INSULATION OF ONLY 5% CAN REDUCE A STRUCTURE'S OVERALL INSULATION EFFECTIVENESS BY AS MUCH AS 25%. ️️TRUE WHICH OF THE FOLLOWING IS WHAT YOU LOOK FOR WHEN YOU ARE BUYING INSULATION (THE PINK STUFF)? ️️R VALUE WHICH OF THE FOLLOWING IS A MEASURE USED TO INDICATE THE ABILITY OF A MATERIAL TO RESIST THE FLOW OF HEAT THROUGH IT? ️️THERMAL RESISTANCE WHAT TYPE OF FIBROUS INSULATION MATERIALS INCLUDE CANE, COTTON, WOOD, CELLULOSE AND SYNTHETIC FIBERS? ️️ORGANIC WHAT TYPE OF POLYSTYRENE IS A CLOSED-CELL FOAM THAT RESISTS MOISTURE ABSORPTION? ️️EXTRUDED WHICH OF THE FOLLOWING IS USED BY A MECHANICAL ENGINEER TO DETERMINE THE LOADS THAT THE HVAC SYSTEM WILL NEED TO OVERCOME? ️️U VALUE CONTACT WITH WATER CAN COMPROMISE THE INSULATING VALUE OF EXTRUDED POLYSTYRENE. ️️F WHICH OF THE FOLLOWING TYPES OF INSULATION HAVE AN INSULATION MAT BONDED TO A RIGID BACK SHEET AND IS COMMONLY USED FOR ROOF INSULATION?