In a cascade-type thrust reverser, which component moves to expose the cascades?

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Multiple Choice

In a cascade-type thrust reverser, which component moves to expose the cascades?

Explanation:
In a cascade-type thrust reverser, the part that gets moved to expose the cascade vanes is a portion of the fan cowl. When reverse thrust is commanded, that section of the fan cowling slides rearward, uncovering the cascade vanes located behind it. Air from the fan is then directed forward by those cascades, producing reverse thrust. The engine nacelle, pylon, and exhaust stack stay fixed, so they don’t move to reveal the cascades. This moving fan cowl section is the reason that option is correct.

In a cascade-type thrust reverser, the part that gets moved to expose the cascade vanes is a portion of the fan cowl. When reverse thrust is commanded, that section of the fan cowling slides rearward, uncovering the cascade vanes located behind it. Air from the fan is then directed forward by those cascades, producing reverse thrust. The engine nacelle, pylon, and exhaust stack stay fixed, so they don’t move to reveal the cascades. This moving fan cowl section is the reason that option is correct.

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