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Question: Skylights or "roof windows" are commonly used in homes and manufacturing facilities since they let natural light in during day time and thus reduce the lighting costs However, they offer little resistance to heat transfer, and large amounts of energy are lost through them in winter unless they are equipped with a motorized insulating cover that can be used in cold weather and at nights to reduce heat losses. Consider a 1-m-wide and 2.5-m-long horizontal skylight on the roof of a house that is kept at 20°C. The glazing of the skylight is made of a single layer of 0.5-cm-thick glass (k = 0.78 W/m.K and ε = 0.9). Determine the rate of heat loss through the skylight when the air temperature outside is -10°C and the effective sky temperature is -30°C. Compare your result with the rate of heat loss through an equivalent surface area of the roof that has a common R-5.34 construction in SI units (i.e., a thickness-to-effective-thermal-conductivity ratio of 5.34 m2.K/W). Evaluate air properties at a film temperature of -7°C and 1 atm pressure. Is this a good assumption?
Identify tools used in the forensics data collection process. Your completed assignment should be at least two full double-spaced pages in length.
How would you challenge MPI to verify its claims regarding reducing turnover, increasing productivity, and decreasing stress and anger?
design a C++ class that implements a "safe" array, where the arrays bounds are checked before accessing its elements. The class constructor must accept an integer parameter and create a dynamic array of that size for storing integers, implemented ..
The study of usability of an interactive system is important to guide us to develop a system that enables the user to interact with it without much difficulty. In the context of "Learnability"
questiona bank has its head office in stoke. it has two branches one in longton and other in burslem. each customer
As in our previous question, when the first request arrives in the disk request queue, the read/write head is at track 50, moving toward the outer (lower-numbered) tracks.
Develop a questionnaire that will help gather information regarding processes at a popular restaurant or the college cafeteria (e.g., ordering, customer service).
If you had been in charge of the Oxford project, what things would you have considered when planning the system capacity?
define the benefits and limitations of the model-view-controller (MVC) principle. Identify one way in which MVC helps software designers create better code, and one way in which it deters them.
questionwrite down a java program that creates an array of integers that called myarray. myarray be able to be of any
RAM to support a computer screen display, One reason GUIs were initially slow to be adopted was the cost of the hardware needed to support them. How much video RAM is needed to support a 25 line X 80 row character monochrome text screen?
questionyou are designing a demilitarized zone dmz for a huge corporation.by means of design best practice and
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