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Questions and Answers
What causes wind to develop according to the text?
What causes wind to develop according to the text?
- Underground pressure variation
- Magnetic field interaction
- Atmospheric temperature difference (correct)
- Oceanic currents
What is the formula for kinetic energy produced by the wind?
What is the formula for kinetic energy produced by the wind?
- $E = ma/2 V$
- $E = 3/2 ma V$
- $E = ma V^2$
- $E = ½ ma V^2$ (correct)
Which monsoon season in the Philippines has maximum wind intensity in August?
Which monsoon season in the Philippines has maximum wind intensity in August?
- Both monsoon seasons equally
- No specific monsoon season mentioned
- Southwest Monsoon from June to September (correct)
- Northeast Monsoon from October to April
What is the function of a windpump?
What is the function of a windpump?
What is a characteristic of Horizontal Axis Rotors for wind pumps?
What is a characteristic of Horizontal Axis Rotors for wind pumps?
What is a disadvantage of Cross-Wind Rotors for wind pumps?
What is a disadvantage of Cross-Wind Rotors for wind pumps?
At what wind speed does the wind power per square meter per cross-sectional area of the windpump rotor reach about 9W/m2?
At what wind speed does the wind power per square meter per cross-sectional area of the windpump rotor reach about 9W/m2?
What percentage of the wind kinetic energy can a windpump typically extract without a complicated guiding device?
What percentage of the wind kinetic energy can a windpump typically extract without a complicated guiding device?
What is one advantage of wind energy systems mentioned in the text?
What is one advantage of wind energy systems mentioned in the text?
What is one limitation of wind energy systems mentioned in the text?
What is one limitation of wind energy systems mentioned in the text?
What does a windpump technology need to reduce investment cost according to the text?
What does a windpump technology need to reduce investment cost according to the text?
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