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The rotor blades are continuously flexed by unsteady aerodynamic gravitational and inertia loads.

(a) True

(b) False

I got this question during an online exam.

Asked question is from Horizontal Axis Wind Mill topic in portion Wind Energy of Energy Engineering

1 Answer

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Right option is (a) True

Explanation: The rotor blades are continuously flexed by unsteady aerodynamic gravitational and inertia loads, when the machine is in operation. If the blades are made using metal, flexing reduces their fatigue life.

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