Which of the following statements is correct?

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Which of the following statements is correct?

1. Flywheel reduces speed fluctuations during a cycle for a constant load, but flywheel does not control the mean speed of the engine if the load changes.
2. Flywheel does not reduce speed fluctuations during a cycle for a constant load, but flywheel does control the mean speed of the engine if the load changes
3. Governor control a speed fluctuations during a cycle for a constant load, but governor does not control the mean speed of the engine if the load changes.
4. Governor controls speed fluctuations during a cycle for a constant load, and governor also controls the mean speed of the engine if the load changes.

Correct Option: A

Flywheel reduces speed fluctuations during a cycle for a constant load, but flywheel does not control the mean speed of the engine if the load changes.