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19. The overspeed trip installed on most diesel engines will stop the engine by shutting off the __________.
The overspeed trip stops the engine by interrupting the fuel and/or air supply, which immediately halts combustion. Other options, such as cutting off lubrication or water, would damage the engine. Exhaust dampers do not reliably stop an overspeeding engine. Overspeed trips prioritize rapid and direct engine shutdown by removing the elements necessary for combustion.
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