pump of Fig. 11.7a at 1170 rpm to pump water at 60˚C from one reservoir to another 120 ft higher through 1500 ft of 16 in. ID pipe with f = 0.030. Determine the operating point (hp & Q) and the pump power requirements and efficiency. Fig. E11.6 Head and system curves vs Q Neglecting minor losses‚ the energy equation can be written between the surfaces of the two reservoirs. Note that for these conditions the velocities at the reservoir surfaces is zero and kinetic energy change can be neglected.
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The Filoviridae family of viruses is where the Ebola virus belongs. The virus is distinguished by long filamentous structure which can present as straight‚ branched‚ and circular or a folded strand with a uniform diameter of approximately 80 nm but can be many different lengths. Liver cells‚ neutrophils‚ endothelial cells and macrophages are specifically targeted by the virus. Large quantities of cytokines are created by infected cells which solicits a large response from the immune system and interrupts
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operations in the field. Moreover petroleum engineers can specialize in drilling‚ completions production operations‚ reservoir engineering‚ and economic evaluations. Job duties include keeping up with developments in the field‚ conducting research‚ performing economic evaluations of oil reservoirs‚ optimizing production‚ planning drilling and production operations‚ and performing initial reservoir evaluations. Educational requirements include a minimum of Bachelor’s degree. Master’s or Doctorate degrees
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Renewable sources of Energy Summary The potential of renewable energy sources is enormous as they can in principle meet many times the world’s energy demand. Renewable energy sources such as biomass‚ wind‚ solar‚ hydropower‚ and geothermal can provide sustainable energy services‚ based on the use of routinely available‚ indigenous resources. A transition to renewables-based energy systems is looking increasingly likely as their costs decline while the price of oil and gas continue to fluctuate
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extracted through bore holes. If you do not extract water then it leads to an increased risk in flooding. The London Basin supplies water for London. * Reservoirs are artificial lakes held behind dams to store water for drinking and recreation. The ideal location is a river valley with steep sloped sides. Kielder water is a river regulationg reservoir holding 200billion litres. It releases water into the north Tyne. Pumps take water and pipes transfer it to the river Wear and Tees. * Rivers are
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Unit 6 Water – Assignment is due on Friday‚ March 27th by the start of class. Vocabulary Chapter 15 aquifer artesian aquifer confined aquifer consumptive use desalination floodplain nonconsumptive use nonpoint source point source primary treatment reservoir runoff secondary treatment septic systems sinkholes surface water unconfined aquifer wastewater watershed water table Chapter 16 benthic by-catch continental shelves downwelling El Nino Southern Oscillation estuaries harmful algal blooms intertidal
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Next add 40mL of distilled water to a 100mL beaker‚ then add 5.00mL of HCl to the beaker.Then obtain 40mL of 0.1M NaOH. Place the NaOH in a 60mL reagent reservoir and drain a small amount into a 250mL beaker to fill the tip. Connect the Ph sensor to the LabQuest and set up the drop counter.Then calibrate the titrant by adjusting the reservoir tip to and letting the NaOH slowly drain into a graduated cylinder until 9 or 1o ml has been recorded. After the LabQuest has been calibrated discard the
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produced by transforming the kinetic energy of rushing water into electric energy. Hydro electricity is a renewable energy source because the water cycle ensures that there is always a supply of water with high potential energy in the power plant’s reservoir. Hydroelectricity provides more than 75% of electricity produced from renewable sources. In hydroelectric power plants‚ the water is utilized to move the turbine which in turn runs the electric generator. The potential energy of the water stored
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|Contaminants coming into the environment causing the air‚ water and soil to become harmful| | |to humans. | |Reservoirs |Reservoirs cause an increase in global water saturation‚ much the same as global warming | | |increases temperature this increases humidity. | |Toxins
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the 6 components of ‘Chain of Infection’ with suitable example. *Infectious agent: microorganism causes diseases such as bacteria‚ virus‚ paeasite and fungi. * Reservoir: natural environment that the pathogen requires for survival such as water‚ food or human feces. *Portal of exit. This link is needed for the pathogen to leave the reservoir for example blood‚ urinal track‚ respiratory track or body fluids. *Mode of transmission. The pathogen can be transmitted either directly or indirectly for example
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