Why are both electrical and hydraulic systems are used in the same aircraft?(a) To generate more force(b) Quick deflections(c) As a fail safe(d) Hydraulics for more force and electric for quick deflectionsThe question was asked by my school principal while I was bunking the class.The question is from Fly-By-Wire Technology topic in section Fly by Wire Flight Control of Avionics

Why are both electrical and hydraulic systems are used in the same air

1.	Why are both electrical and hydraulic systems are used in the same aircraft?(a) To generate more force(b) Quick deflections(c) As a fail safe(d) Hydraulics for more force and electric for quick deflectionsThe question was asked by my school principal while I was bunking the class.The question is from Fly-By-Wire Technology topic in section Fly by Wire Flight Control of Avionics
Answer» RIGHT answer is (c) As a FAIL safe The best I can explain: Most of the main actuators are electro-hydraulic, fully electric actuators are used as a fail safe for hydraulic actuators. They MUST be able to survive any two failures and carry on OPERATING satisfactorily in order to meet the aircraft safety and integrity requirements.

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