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Q3. Why is a speed droop governor preferred for auxiliary marine generator engines over an isochronous governor? (16)

(a) Droop allows the engine to operate at a perfectly constant speed regardless of the load.

(b) It automatically activates the auxiliary engines during blackouts.

(c) It allows for stable load-sharing between alternators operating in parallel.

(d) Droop limits the maximum torque output of the engine.

Select the most appropriate answer and briefly explain the droop action of a governor.