Reference no: EM13862898
1- Sketch a schematic drawing of a pneumatic sewage ejector system. Describe the situations pr circumstances where a pneumatic ejector station might be used. Discuss the unusual operating characteristics of a pneumatic ejector station as compare to an electrically (motor) driven duplex pumping system.
2- Why do engineers typically select larger peaking factors (PF) for water booster pumping stations than for sewage pumping stations?
3- Why does it take longer to fill a hydropneumatic water tanc than to empty the tank when the system is in operation?
4- List at least three factors to be considered when selecting the location of the manholes the design of gravity sewer systems.
5- Why are peaking factors (PF) typically larger for gravity sewer system design than for sewage pump station design?
6- Hydraulic ram is a water driven device that pumps water from a lower elevation to a higher elevation without electrical energy being applied. Explain the principle of operation of a hydraulic ram.
7- What is a "low pressure" sewer system? When would an engineer decide to use a low pressure sewer system, i.e.: what are the typical applications and limitations for using and selecting a low pressure force main system? Clearly sketch a low pressure sewer system.
8- What is a "vacuum" sewer system? When would an engineer decide to use aa vacuum sewer system, i.e.: what are the typical applications and limitations for using and selecting a vacuum sewer system? Clearly sketch a vacuum sewer system.
|
Political parties
: Obviously to do this you will need to know something about both the main two parties and your third party. Be sure to include your sources of information. If you use the Internet, include the web site address and the date you retrieved it.
|
|
Compare the average body mass index
: You are reading an article detailing a study designed to compare the average body mass index among hypertensive individuals (persons with high blood pressure) to normotensive individuals. The study was conducted using participants in a health pla..
|
|
Transferred to manage a company in rio de
: Discuss three nonverbal differences you might encounter if you are transferred to manage a company in Rio de Janeiro, Brazil. 200 word minimum. Plagfree. 1 reference
|
|
What are the overall problems at the csr center?
: What are the overall problems at the CSR center?
|
|
Why does it take longer to fill a hydropneumatic water tanc
: Why do engineers typically select larger peaking factors (PF) for water booster pumping stations than for sewage pumping stations. Why does it take longer to fill a hydropneumatic water tanc than to empty the tank when the system is in operation.
|
|
What are advantages to free trade zones
: Please help me answer the following short question. 70-200 words should be good. more is better. What are advantages to Free Trade Zones? Describe cultural issues respective to conducting business in Mexico, France, Saudi Arabia and China.
|
|
Calculate sivuyiles weighted average cost of capital
: Calculate the NPV for each machine and decide which machine Thabile should invest in. Thabile's cost of capital is 12%.
|
|
Compute the test statistics and draw conclusions
: Identify the research question and generate the approriate hypothesis. Find the appropriate statistical test, compute the test statistics and draw conclusions.
|
|
Why a well-integrated communication process
: Suggest the major reasons why a well-integrated communication process is important for the performance of any organization and the major reasons why such a process is particularly important in health care organizations. Support your response
|