FAA Powerplant Written Practice Test

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What is the combined total rated output of multiple generators used in parallel?

  1. The average output of all generators

  2. The minimum output of all generators

  3. The sum output of all generators

  4. Only the output of the largest generator

The correct answer is: The sum output of all generators

The combined total rated output of multiple generators used in parallel is determined by summing the output of all generators. When generators operate in parallel, they share the load among them, allowing for increased total output capacity. Each generator contributes its rated output capacity to the overall system, thus the total output is simply the sum of each individual generator's output rating. This approach enhances reliability and efficiency in power generation and is essential for systems requiring large amounts of electrical power. Utilizing the sum of outputs allows for better distribution of load and minimizes the risk of overloading any single generator. Each generator can run at its optimal load capacity, enhancing system performance and longevity.

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