Chapter 8, Problem 8.31CU

13. Assuming that the Philippines is consuming 3.5×10^20 kWh of electrical energy in one year and the power plant has a conversion efficiency of 32%. Determine the mass of fuel consumed in kg for one day operation if the fuel used is nuclear pellets. Express the answer in 4 significant figures.

Subject: Power Plant What are the various types of power plants which are used worldwide?

What are limitations of micro hydro-electric power stations?

2. The maximum thermal efficiency possible for a power cycle operating between 1200°F and 225°F is: 58.73%

Answer the following questions Q1: Give three examples of conventional power plants and five examples of non-conventional power plants? What do you think which one is better and why? Q2: Why nuclear power plants are important and why the fission process is used in all present nuclear power plants? Q3: The flue gases produced are passed through .and finally exhausted into the atmosphere through... Q4: Does including pre-heater increase the power plant efficiency? Why? Q5: How do cooling towers work and why they are important for thermal power plants? And are they essential in a country like Iraq? Q6: Why the site selection of a power plant is important?

Is creating energy and electricity through nuclear power plants, a sustainable energy source, in order to augment reliance on fossil fuels an ethical idea when compared to other technologies, such as solar, wind, and natural gas? If so, on what basis? If not, why, and is there anything that could bolster its ethical production?

What is the engineering responsibility in designing a power plant ensuring public safety, which uses fuel that is directly responsible for global warming? How might these responsibilities be fulfilled simultaneously? (Hint: Evaluate the engineering responsibility to public safety and environment in the development of new power plant)

14. Assuming that the Philippines is consuming 3.5×10^20 kWh of electrical energy in one year and the power plant has a conversion efficiency of 32%. Determine the mass of fuel consumed in kg for one day operation if the fuel used is anthracite coal with heating value of 30080 kJ/kg. Express the answer in 4 significant figures.

As a patent attorney you are asked to verify if a certain patent application should be approved, which means whatever is being patented must be possible/practical to build and work. The patent presents a new power plant designed to use a fuel capable of achieving a maximum temperature of 550 degrees F. The fluid flowing in the power plant system is to be cooled by a lake with temperature equal to 85 degrees F. The patent application indicates the power plant to be capable of achieving 0.78 thermal efficiency. Should this patent application be approved based on the information available? Why?