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  3. e connect work 1 question 1 of 8 value 1250...

Question: e connect work 1 question 1 of 8 value 1250...

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E connect work 1 Question 1 (of 8) value: 12.50 points 1 out of 3 attempts Assistance The electrie power needs of a community are to be met by windmills with 9.2-m-diameter rotors. The windmills are to be located where the wind is blowing steadily at an average velocity of 8 m/s. Determine the minimum number of windmills that need to be installed if the required power output is 635 kw. Check My Work View Hint windmills Question Help Report a Problem References eBook & Resources
E connect ME 242 Thermodynam Homework 1 Question 3 (of 8) 12.50 points 1 out of 3 attempts How much of 117 kJ of thermal energy at 890 K can be converted to useful work? Assume the environment to be at 11°C. Assistance Check My Wo max,out kJ (Round to two decimal places) View Hint Question Hel Report a Prob References eBook & Resources
Econnect ME 242 Thermodynamics II: Spring 2019 Homework 1 Question 2 (of 8) 2. value 12.50 points 1 out of 3 attempts Assistance Saturated steam is generated in a boiler by converting a saturated liquid to a saturated vapor at 200 psia. This is done by transferring heat from the combustion gases, which are at 500 E, to the water in the boiler tubes. Calculate the wasted work potential associated with this heat transfer process. Take To-80°F and Po -14.7 psia Check My Work View Hint Report a Problem Water 200 psia sat. liq. 200 psia x dest Btu/lbm References eBook & Resources
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