Which one among the following rotors is mostly used in wind turbines for electricity generation?विद्युत उत्पादन के लिए पवन टरबाइन में निम्नलिखित में से किस रोटर का अधिकांशतः उपयोग किया जाता है?
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Correct answer: B. Propeller rotorप्रोपेलर रोटर
Explanation
Most electricity-generating wind turbines are horizontal-axis machines with a two- or three-blade propeller rotor, which runs fast and is efficient. Multiblade rotors suit water pumping; Savonius and Darrieus are vertical-axis designs used less often.अधिकांश बिजली उत्पादक पवन टरबाइन क्षैतिज-अक्ष वाली होती हैं जिनमें दो या तीन ब्लेड का प्रोपेलर रोटर होता है, जो तेज़ और दक्ष है। मल्टीब्लेड रोटर पानी पंप करने के लिए उपयुक्त हैं; सैवोनियस और डैरियस ऊर्ध्वाधर-अक्ष डिज़ाइन हैं जिनका कम उपयोग होता है।More People, Development and Environment questions
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