On a multi rotor drone the Inertial Measurement Unit IMU is particularly vulnerable to ?
Correction > operation
What is the disadvantage of lithium batteries ?
An autopilot system operates on the principle of ?
A battery that has been damaged while being transported or in a crash Should be carefully discharged disposed of as soon as possible, can be repaired used again, can only be used one more time, should not be used 24 hours then inspected prior its next use. 
Inertial measurement unit imu in an inertial measurement unit imu accelerations are measured in relation to Aircraft axis (pitch, roll yaw axis), direction of true north, earth's trihedron (x, y, z), absolute space axis (x, y, z). 
Inertial measurement unit imu accelerometers measure Linear accelerations, angular accelerations, vertical accelerations, rate of angular accelerations. 
Inertial measurement unit imu an inertial measurement unit imu includes Accelerometers gyroscopes, accelerometers only, gyroscopes only, always a magnetic compass. Question Section 3: Human factors 11 Answer 8
Above what altitude must all crew members use supplemental oxygen when operating a small remotely piloted aircraft There no requirement to use oxygen when operating an rpa, 3 ,feet above sea level, ,feet above sea level, 5,feet above sea level. Question Section 3: Human factors 11 Answer 9
After taking medication sleep disorders and/or nervousness a drone pilot intending to perform a flight must pay attention To effect they have on reaction time on faculties of perception, to wait2h after absorption before flight, the fact that there no difference between quality of sleep obtained under influence of these drugs that of normal sleep in absence of medication, to effect they have on hearing. Question Section 3: Human factors 11 Answer 10
During an aerial photography work airborne imagery your customer wants additional unprepared views your decision I finish first flight as planned, i land will plan new flight, i ask customer his help in order to perform requested views, i switch on gps function to safely perform this new task, i switch to hovering mode in order to implant requested new points in guidance system. Question Section 3: Human factors 11 Answer 11
During winter 'empty field myopia' empty sky myopia a phenomenon which emphasized The sun in front of pilot causes details the relief of visual field to be lost, the sun behind pilot causes details the relief of visual field to be lost, the mountains that hide view, large wooded areas that block view in distance. Question Section 3: Human factors 11 Answer 12
No pilot shall operate a drone If he not fit to perform this function, unless he ate well was well hydrated, if he does not have a first aid kit nearby, without having a fire extinguisher nearby. Question Section 3: Human factors 11 Answer 13
How many phases does sleep involve including paradoxical sleep Question Section 3: Human factors 11 Answer 14
How long after a scuba diving who require decompression stops on way to surface it safe to operate a drone 2 h, 24 h, without delay, 48 h. Question Section 3: Human factors 11 Answer 15
With respect to accumulated fatigue Even when performing an easy flight with your drone, it can reach an unacceptable level, it more difficult to detect than acute fatigue, it can easily be fighted drinking caffeine, it disappears after at least a 6 hours rest.
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