Which assembly includes the gearbox housing and cover, gas producer gear train, and power turbine gear train?

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Multiple Choice

Which assembly includes the gearbox housing and cover, gas producer gear train, and power turbine gear train?

Explanation:
In a gas turbine, the assembly that includes the gearbox housing and cover along with the internal gear trains is the accessory gearbox assembly. This enclosure houses the gas producer gear train, which transmits drive from the gas generator, and the power turbine gear train, which connects the power turbine to the rest of the driven systems. It also serves as the mounting and drive interface for engine accessories (like the starter and pumps). The fuel control and combustor are separate assemblies and do not contain these gear trains or the gearbox housing.

In a gas turbine, the assembly that includes the gearbox housing and cover along with the internal gear trains is the accessory gearbox assembly. This enclosure houses the gas producer gear train, which transmits drive from the gas generator, and the power turbine gear train, which connects the power turbine to the rest of the driven systems. It also serves as the mounting and drive interface for engine accessories (like the starter and pumps). The fuel control and combustor are separate assemblies and do not contain these gear trains or the gearbox housing.

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