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Wind Pump Efficiency and Power Calculation

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Wind Pump Efficiency and Power Calculation

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Questions and Answers

What is the formula to calculate the kinetic energy produced by wind?

E = ½ ma V2 (correct)

Qa = V Ar

E = ½ da V2

Ev = ½ da V2

Which factor is not considered in the calculation of wind power according to the text?

Air density

Wind speed

Temperature difference (correct)

Rotor area

During which months does the Northeast Monsoon exhibit maximum intensity?

October to April

August

January (correct)

June to September

What is the unit of measurement for air density in the context of wind energy?

kg/m3 Signup and view all the answers

Which of the following is not an area suitable for wind energy systems according to the text?

Cebu Signup and view all the answers

What phenomenon leads to the development of wind as mentioned in the text?

Atmospheric pressure difference Signup and view all the answers

What is the main function of a wind pump?

Convert wind energy into mechanical power for pumping water Signup and view all the answers

At what wind speed does the wind power per square meter per cross-sectional area of the windpump rotor reach about 9W/m²?

3 m/s Signup and view all the answers

What percentage of the wind kinetic energy can a windpump without a complicated guiding device extract?

59% Signup and view all the answers

What is one of the advantages of a Wind Energy System mentioned in the text?

Non-polluting and does not require burning of fuel Signup and view all the answers

What is one limitation mentioned in the text regarding Wind Energy Systems?

Requires water reservoir or batteries due to power supply variation Signup and view all the answers

What term describes Wind Energy Systems being applicable or adoptable only in areas with wind speeds of 3 m/s or higher?

Site specific Signup and view all the answers