1) Aircraft landing gears typically operate by a) Hydraulic control systems b) Pneumatic control systems c) Electrical control systems d) Manual control systems 2) Heavy lifting systems typically operate by a) Hydraulic control systems b) Pneumatic control systems c) Electrical control systems d) Manual control systems 3) Vehicle air braking systems typically operate by a) Hydraulic control systems b) Pneumatic control systems c) Electrical control systems d) Manual control systems 4) Temperature control systems typically operate by a) Hydraulic control systems b) Pneumatic control systems c) Electrical control systems d) Manual control systems 5) Computer numerical control systems typically operate by a) Hydraulic control systems b) Pneumatic control systems c) Electrical control systems d) Manual control systems 6) What type of sensor monitors the changes that are happening in the environment around them a) Analogue b) Digital c) Passive d) Active 7) What type of sensors produce discrete output signals a) Analogue b) Digital c) Passive d) Active 8) What type of sensors produce continuous output signals. a) Analogue b) Digital c) Passive d) Active 9) What device turns an electrical, mechanical or environmental signal into a physical movement a) Actuator  b) Sensor c) Processor d) Control system

MBroT Control Systems 3

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