Compare the kinetic energy loss rate to the solar radiation loss rate.
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Compare the kinetic energy loss rate to the solar radiation loss rate.
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- Calculate the total electrical energy consumed for a load usage of 6 lamps (20 watts each) for 5 hrs a day. Total Electrical Energy consumed per day in watt hours=Calculate the total electrical energy consumed for a load usage of 6 fans (59 W each) for 9 hours a day.Pls.answer thank you! A classroom that normally contains 40 people is to be air-conditioned with window air-conditioning units of 5 KW cooling capacity. A person at rest may be assumed to dissipate heat at a rate of about 360 KJ/hr. There are 10 light bulbs in the room, each with a rating of 100 watts. The rate of heat transfer to the classroom through the walls and the windows is estimated to be 15,000 KJ/hr. If the room air is to be maintained at a constant temperature of 21°C, determine the number of window air-conditioning units required.
- Which of the following terms describes the temperature difference in Fo that must exist across thesurface area of a structure to drive 1 Btu per hour through 1 square foot of surface.What are the SI and U.S. Customary units for energy?An air-cooled window DX unit is used for space cooling. The unit has a capacity of 4.5 tons and has a SEER of 15. If the unit operates for 2204 hours during the summer, how many kWh of electricity will be used? Hint: In the U.S., the SEER is the ratio of cooling in British thermal units (BTUs) to the electrical energy consumed in watt-hours. You may need to convert the unit in this process.