Please show FBD/s 3. Solve the moment of inertia of the cross-section of the beam about the neutral axis.Show computation and box your answer. 4. Compute the maximum shear stress.Show computation.
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Please show FBD/s
3. Solve the moment of inertia of the cross-section of the beam about the neutral axis.Show computation and box your answer.
4. Compute the maximum shear stress.Show computation.
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- When a hydrocarbon fuel is burned, almost all of the carbon in the fuel burns completely to form CO2 (carbon dioxide). On average, 0.59 kg of CO2 is produced for each kWh of electricity generated from a power plant that burns natural gas. A typical new household refrigerator uses about 700 kWh of electricity per year. A city's refrigerators produce 20,650 mton CO2/year (50,000 households in the city). If the area of the city is 190 miles2, and if all that CO2 accumulates in the atmosphere, calculate the increase in CO2 concentration by weight in the atmosphere knowing that each cm2 of area carries a column of air that weighs 1 kg. If 1 mature tree absorbs 48 lbm of CO2 per year, what is the ratio of trees to households this city should have to counter the effect of refrigeration?The rate of heat transferred between air and condensing refrigerant in a condenser is 70 kW. The condenser has an air-side area of 210 m2 and a U value based on this area of 0.037 kW/m2 -oC. It is supplied with 6.6 m3/s of air which has a density of 1.15 kgm/m3. If the condensing temperature is 55 oC, Determine the temperature of inlet air. (for decimal places for final answer)According to the U.S. Geological survey, the volume of water in oceans, seas, and bays is 1.41 ✕ 1018 m3. The average concentration of naturally occurring uranium in seawater is 3.15 ✕ 10−6 kg/m3. If 0.670% of naturally occurring uranium is the fissionable isotope U-235 and each fission reaction yields 200 MeV, estimate the amount of time the uranium in the seawater on the planet could meet the planet's energy needs at an average usage of 1.94 ✕ 1013 J/s.
- When a hydrocarbon fuel is burned, almost all of the carbon in the fuel burns completely to form CO2 (carbon dioxide). On average, 0.59 kg of CO2 is produced for each kWh of electricity generated from a power plant that burns natural gas. A typical new household refrigerator uses about 700 kWh of electricity per year. There are 50,000 households in the city. If the area of the city is 190 miles2, and if all that CO2 accumulates in the atmosphere, calculate the increase in CO2 concentration by weight in the atmosphere knowing that each cm2 of area carries a column of air that weighs 1 kg. If 1 mature tree absorbs 48 lbm of CO2 per year, what is the ratio of trees to households this city should have to counter the effect of refrigeration?Verify the conversion factors listed in Table 1-6 forconverting the following quantities from SI units to U.S.Customary units by using the values listed for length asdefined values::1 . Area, VolumeUse 1 gal = 231 in.3 and 1 L = 0.001 m3.The Biot number is dependent on the following except: A. thermal conductivity of cylinder B. heat transfer coefficient of water bath C. none of the given choices D. radius (characteristic length for cylinders)