In aeronautics, the most commonly used batteries are NiCd because:

Question

Question ATPL - Airline Transport Pilot license - Aircraft General Knowledge - Airframe, Systems, Powerplant

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They weigh less than lead-acid batteries.

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They are cheaper than lead-acid batteries.

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Their electrolyte is neither corrosive nor dangerous.

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Their Output Voltage Is Less Constant Than Lead-acid Batteries.

Id 556 - ATPL - In aeronautics, the most commonly used batteries are NiCd because: