Chapter 7, Problem 7.2DOEP

This is a question from Sustainable Energy 2nd Edition by Richard Dunlap: If a high head hydroelectric facility is considered to be carbon free, what is the annual reduction in CO2 emissions for a 1000 MWe hydroelectric station compared to a 1000 MWe coal-fired station operating at 38% efficiency? Assume both stations have a 70% capacity factor.

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?

1. Who has invented the first internal combustion engine vehicle? when?

Given that you are a policy maker in Davao, how will you rank the following in terms of the city's preference for renewable energy source, Geothermal, Wave or Biomass? Please back up your answers and explain in detail. Please consider pros and cons of each and their impacts in the community, economy, industry and environment.

provide a new, possible, and feasible study that deals with ways to reduce carbon emissions from coal power plants.

What are the major benefits of an all-electric car compared with a conventional car?

= The owner of a propose steam power plant received bids from two fuel supplier. The first supplier offers coal whose ultimate analysis is: C = 71.5%, H = 5%, 0 = 7%, S = 3.6%, N = 1.3%, A = 8.2%, and M 3.4%. The other supplier offers natural gas whose HHV is 52.2MJ/kg and whose volumetric analysis is: 60% CH4, 30%C2H6, and 10%CO. Excess air for both cases is 20%. Other data for the power plant are: net output = 100MW, heat added at the boiler = 90% of energy chargeable, specific enthalpy in kJ/kg: turbine inlet = 3582.3, turbine outlet = 2251.881, pump inlet = 289.23, boiler inlet = 304.534. Atmospheric air temperature is 35C. Find possible steam consumption of this propose plant in kg/s.

What are the options and explain what is the best technology available for powering cars of the future, and why is that?

Describe either a benefit or concern associated with nuclear power versus more conventional power production .