Paper 1 · People, Development and Environment
UGC NET June 2024 Re-Exam (26.08.2024) Shift-I
Which of the following is generally used for electricity generation?
ASavonius rotor
BDarrieus rotor
CPropeller rotor ✓ Correct
DMultiblade rotor
Correct answer: (C) Propeller rotor — The propeller rotor is generally used for electricity generation, so that is the answer.
Explanation
★The propeller rotor is generally used for electricity generation, so that is the answer.
★A propeller rotor has a rotating hub with blades set at a pitch.
★The blades form a helical spiral that turns efficiently in the wind.
★This design is used in most large wind turbines for power generation.
★So the propeller rotor is generally used to generate electricity.
★Savonius, Darrieus and multiblade rotors are used mainly for other purposes.
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