1.

In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted on the sleeve at max. and min. radii of rotation, and h = Compression of the spring)

A. (S₁ + S₂) / h
B. (S₁ - S₂) / h
C. (S₁ + S₂) / 2h
D. (S₁ - S₂) / 2h
Answer» C. (S₁ + S₂) / 2h


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