Leading edge devices and trailing edge flaps are normally operated by

Question

BlackTom AI · Accepted Answer

Question focuses on which system typically operates leading edge devices and trailing edge flaps.
Option 1: 'Magic' — obviously not a real or applicable power source for aircraft control surfaces; this is a distractor and incorrect.
Option 2: 'Electrical power' — while electrical systems can actuate some components, leading edge devices and flaps are traditionally hydraulic for the force and speed required on most aircraft, making this choice unlikely and inaccurate in standard configurations.
Option 3: 'Hydraulic system B' — this is the configuration commonly assigned to high-load, critical flight-control surfaces such as leading edge devices and trailing edge flaps, providing the necessary hydraulic power and redundancy.
Option 4: 'Hydraulic system A' — while hydraulic systems A and B may both exist on an aircraft, the prompt specifies that the leading edge devices and trailing edge flaps are normally operated by the other system (system B in this context), so this option does not align with the standard arrangement described.
In summary, incorrect options fail due to implausible power sources (Magic), incomplete suitability (Electrical power), or misattributing the standard system assignment (Hydraulic system A). The option that aligns with the typical high-load hydraulics role for these surfaces is Hydraulic system B.

Leading edge devices and trailing edge flaps are normally operated by单项选择题

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