A 320 flight controls DSC -27 Control surfaces 2023 with complete solution questions and answers

-powered by 2 hydraulic actuators -left elevator by blue and green - right elevator by blue and yellow By how many hydraulic actuators are the elevators powered? ELAC 2 controls the elevator if ELAC2 fails, control shifts to ELAC 1 Which computer controls the elevator hydraulic actuators? Blue Which hydraulic actuators of the elevator are controlled by ELAC 1 ? green and yellow Which hydraulic actuator of the elevator are controlled by ELAC2 ? Control automatically shifts to SEC 2 or SEC 1, depending on the nature of the failure What happenes if both ELAC's fail ? 30 deg nose up 15 deg nose down What is the maximum elevator deflection ? 13,5 deg nose up 4 deg nose down What is the maximum THS deflection? driven by No. electric motor and green and yellow hydraulic controlled by ELAC 2 How is the THS driven? it shifts to ELAC 1 and THS is controlled by No. 2 electric motor What happenes with THS if ELAC 2 fails? -it shifts to SEC 1 or SEC 2 and THS to motor No. 2 or 3 What happenes with THS, if both ELAC's fail ? THS operate at half speed What happenes with THS, if one hydraulic system fail ? powered by two hydraulic actuators, blue and green By how many hydraulic- actuators are the ailerons powered ? - ELAC 1, if control fail it shifts to ELAC 2 Which computer controls the aileron hydraulic actuator ? the ailerons revert to damping mode What happenes to aileron, if both ELAC fail? by a single servojack, powered by a combination of one of the 3 hydraulic actuators How is each spoiler positioned to extend or retract? spoiler one green, two yellow, three blue, four yellow, and five green What is the combination of hydraulic systems for each spoiler panel? by SEC 1, 2 and 3 How are all spoilers controlled? spoilers are automatically retracted and hydraulically held What happenes if one SEC fail? it will be blown down by aerodynamic forces What happenes to spoiler if they extended and hydraulic system failure occurs?