I need answer typing clear urjent no chatgpt used i will give upvotes full explanation .71 A 50-mm-diameter, thin-walled metal pipe coveredwith a 25-mm-thick layer of insulation (0.085 W/m·K)and carrying superheated steam at atmospheric pres-sure is suspended from the ceiling of a large room. Thesteam temperature entering the pipe is 120°C, and theair temperature is 20°C. The convection heat transfercoefficient on the outer surface of the covered pipeis 10 W/m² K. If the velocity of the steam is 10 m/s,at what point along the pipe will the steam begincondensing?.

The volume flow rate =π×(50/1000)²/4×10 = 0.0196 m³/sThe specific volume of the steam = 1.769…

Answered: .71 A 50-mm-diameter, thin-walled metal…

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

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21.3 Exercises 21.1 Table 21.1 shows the total area, sun hours per day and energy consumption of five different countries. (a) If a PV system of 270W, is installed in each of these locations, in which country would it be best to place the panels to obtain the maximum output? Table 21.1 Country Area (km?) Daily sun hours Energy consumption (MWh/year) United States 9 826 675 4.0 3 886 400 000 India 3 287 263 5.0 959 070 000 Brazil 8 515 767 4.5 455 700 000 Spain 505 992 4.5 267 500 000 United Kingdom 243 610 2.5 344 700 000 (b) Now let us take a look at the United States. How much area, as a percentage of the total area of the US, would be needed to cover the total annual energy demand of the country with solar panels having an efficiency of 15%? (c) Which of the five countries would need to cover the highest percentage of their area with solar panels to supply all their electricity demand with solar energy? (d) Which of the five countries would need to cover the lowest percentage of…
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A competitive industry has production processes that generate pollution. ok with studies carried out on the affected population, the marginal costs associated with contamination are constant and CU500. for each unit of the good produced. these costs are associated with lost workdays, illness treatment costs, and the nuisance generated in the population. Currently the production level of the industry is 250 units and the market price is 1,500 (MU/unit). Market studies carried out by companies estimate that if the price rises At 1,800 (mu/unit) the quantity demanded would fall to 200 units and the marginal cost of the production of each company in this new production level is 1,300 (m.u./unit). Assume linearity in market demand and in the marginal costs of production of the companies Graph to justify your answers. A)Determine the optimal production level from the perspective of the whole of the society. Show your result graphically.
Air is heated as it flows Student question Time Left: 00:09:35 Training subsonically through a 6.00cm x 10cm duct. The properties of air at the inlet are maintained at Ma = 0.6, P = 350kPa, and 1 T T = 420K at all times. Disregarding frictional losses, determine the highest rate of heat transfer to the air in the duct without affecting the inlet conditions. Take the properties of air to be
A competitive industry has production processes that generate pollution. okay with studies carried out on the affected population, the marginal costs associated with contamination are constant and 500 u.m. for each unit of the good produced. These costs are associated with lost working days, illness treatment costs and the nuisance generated in the population. Currently the production level of the industry is 250 units and the market price is 1500 (um/unit). Market studies carried out by the firms estimate that if the price rises at 1,800 (mu/unit) the quantity demanded would drop to 200 units and the marginal cost of production of each firm at this new production level is 1,300 (m.u./unit). assume linearity in market demand and in the marginal costs of production of the firms. Graph to justify your answers. b)Graphically indicate and determine the magnitude of the social cost of the situation with a production level of 250 units.
A competitive industry has production processes that generate pollution. okay with studies carried out on the affected population, the marginal costs associated with contamination are constant and 500 u.m. for each unit of the good produced. These costs are associated with lost working days, illness treatment costs and the nuisance generated in the population. Currently the production level of the industry is 250 units and the market price is 1500 (um/unit). Market studies carried out by the firms estimate that if the price rises at 1,800 (mu/unit) the quantity demanded would drop to 200 units and the marginal cost of production of each firm at this new production level is 1,300 (m.u./unit). assume linearity in market demand and in the marginal costs of production of the firms. Graph to justify your answers. )Determine the level of tax that would have to be applied to production to achieve the social optimum.
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The blue line on the following graph shows a firm's daily costs for the first 90 days of the fiscal year. Because the firm is expanding, its costs are constantly rising. EXPENSES (Thousands of dollars per day) 10 9 0 G. 0 10 c 20 30 40 50 60 TIME (Days) 70 80 90 Đ 100
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A single pass rice mill was tested for 30min. and gave the following results: input paddy 10000 kg, milled rice produced-6,500 kg, broke produce 1500 kg and weight of headrice-2000 kg. Compute the following: (a) Throughput capacity, (b) % Milling recovery, (c) Broken grain, and (d) % Head rice recovery.

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