Jackline98

It is _____ to install loose-fill, rolled or foam-in-place insulation around knob-and-tube wiring. - ️️hazardous It is recommended that the insulation installed in an attic covers the tops of the attic floor joists to stop _________. - ️️Thermal Bridging Many builders use common "1/2-inch wood sheathing, which has an R-value of ______. - ️️0.6 Moisture flow by vapor diffusion is also governed by the _____ law of thermodynamics. second third first - ️️second OVE sta...

What is the function of an air barrier? - ️️To stop air movement through building walls and roofs. Indicate two reasons we are interested in controlling air movement through building walls and roofs. - ️️1. Minimize heat flow to exterior/ interior 2. Minimize Moisture flow to building components Describe the function of a vapor barrier. - ️️Protect the building from moisture damage. Designed to protect from moisture due to vapor diffusion, not air movement. List two other names ...

When should the designer anticipate moisture problems and how can you specify to avoid them? - ️️If moisture is expected to rise from below, a vapor barrier should be installed. If moisture from above is anticipated, a water-resistant substrate will be called for like concrete or cement board. When would you use an antimicrobial system? A biocide? Microvented vinyl? - ️️antimicrobial system- used when an area needs to be very clean or when things like mold are anticipated to grow bioci...

Why are roofs vented in the winter in cold climates? - ️️We were not able to completely stop air leakage into cool roof spaces, so we need to get rid of that warm, moist air. Why do we want to change the air in houses? (two reasons) - ️️1. Eliminate moisture, odors and other indoor air pollutants 2. Bring fresh air into the home Why does condensation sometimes show up in new homes on the outer side of a polyethylene vapor barrier on the inside of a basement wall? - ️️Moisture from...

The most important aspect of a green home is A. having all parts of the building work together B. energy efficiency C. a tight envelope and good insulation D. using renewable resources - ️️a The R-value of 1/2" gypsum board is A. 0.25 B. 0.5 C. 1.5 D. 2.25 - ️️b The unit of measure used to indicate the intensity or loudness of sound is called a(n) __. A, impact sound B. masking sound C. decibel D. STC - ️️c The use of a reflective surface on insulation helps cut heat loss from_...

In relation to emergency escape and rescue opening, the horizontal area of a window well should be at least _____ square feet. - ️️9 In relation to emergency escape and rescue openings, the sill height of the window opening should not be more than___ inches above the floor - ️️44 Installing a vapor diffusion retarder is the most important step for controlling moisture in a wall - ️️False Insulation should be installed without compressing it, - ️️True Insulation that is compre...

Common attic insulation problems include all of the following EXCEPT a. gaps or voids b. compressed c. excess depth d. missing at dropped ceilings e. covering recessed light fixtures - ️️excess depth Secondary attics a. are often too small to vent b. always have separate access hatches c. are common in 1½ -story houses d. can only be accessed through ceilings e. are often too small to insulate - ️️are common in 1½ -story houses

8.When transmitting broadband signals - ️️In a two way hybrid fiber/coax (HFC) network, two or more individual optical fibers are required for each optical node location. 64.What location in the network is common path distortion (CPD) most severe? - ️️At the output of a forward amplifier because the forward levels are highest and the return levels are lowest. 65.What distinguishes a micro-reflection from other types of signal reflections? - ️️In micro-reflections, the echoed signal...

which of the following is true of the financial objectives of a firm? - ️️return on assets can be used to evaluate the financial performance of a firm for a retailer, net sales is defined as ____ - ️️the total revenue received that is related to selling merchandise minus any returns, credits, or discounts the ____ model is a method for summarizing the factors that affect a firm's financial performance, as measured by return on assets - ️️strategic profit model _______-_______ p...

which of the following does not normally cross the placenta during pregnancy? alcohol anti-epileptic drugs heparin nicotine dexamethasome - ️️heparin the fight or flight response slows reflexes increases blood flow to the gastrointestinal tract is stimulated by high cortisol levels releases adrenaline into the circulation results excluisvely from increased sympathetic drive - ️️releases adrenaline into the circulation the white blood cells responsible for antibody-mediated i...