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Question 9-1 : Maintenance and record keeping for technical record keeping of a drone you do not have to note ? [ Level remote ]
The total flight hour of your aircraft since the first flight
Question 9-2 : Electric motors propulsion the abbreviation corresponding to an engine that is not turning in a clockwise direction is ?
Ccw.
Cw. dc. ac.
Question 9-3 : Electric motors propulsion the abbreviation corresponding to an engine that is turning in a clockwise direction is ?
Cw.
Ccw. ac. dc.
Question 9-4 : Electric motors propulsion the abbreviations cw and ccw for an electrical engine mean respectively ?
Clockwise and counter clockwise directions.
Counter-clockwise and clockwise directions. direct current and alternating current. alternating current and direct current.
Question 9-5 : Electric motors propulsion an electric motor brushless of 450 kv powered with a voltage of 24 volts will rotate at ?
10800 rpm.
Rpm = round per minute450 rpm. 18.75 rpm. 900 rpm.
Question 9-6 : Batteriesconnecting two 6 v 5 ah capacity batteries in series will result in a total voltage and capacity respectively of ?
12 v 5 ah.
V = voltah = ampere hour24 v / 10 ah 12v / 24 ah 6 v / 5 ah
Question 9-7 : Batteriesthe connection in parallel of two 6 volt 5 amphours batteries will create a unit with the following characteristics ?
6 v 10 ah.
6 v / 5 ah. 12 v / 5 ah. 12 v / 10 ah.
Question 9-8 : Batteries'4s' is written of a lipo battery it indicates ?
The number of cells in series.
Its power in watt. the c rating in ampere. its voltage in charge.
Question 9-9 : Batteriesthe capacity of a battery of ?
5 ah is 5 ampere during 1 hour.
20 ah is 20 ampere during 20 hours. 20 ah is 20 ampere during 10 hours. 10 ah is 20 ampere during 10 hours.
Question 9-10 : Batteriesthe capacity of a battery is the ?
Amount of ampere hours that a fully charged battery can supply.
Number of cycles (charging and discharging) that a battery can withstand without deterioration of its cells. no-load voltage of the battery multiplied by its rated output current. intensity withstood by the battery during charging.
Question 9-11 : Batteriesthe capacity of a battery is given in ?
Ampere hours.
Amperes/volts. watts. ohms.
Question 9-12 : Batteriesvoltage of a battery is expressed in ?
Volt.
Ampere. watt. ohm.
Question 9-13 : Batteriesassociated value to the c letter of a lipo battery indicates ?
The maximum continuous discharge rate of the battery.
The maximum load in volt. the minimum load in volt. intensity of one cell.
Question 9-14 : Batteriesthe term lipo means ?
Lithium polymer.
Question 9-15 : Batterieswhen carrying out a battery condition check using the aircraft's voltmeter ?
A load should be applied to the battery in order to give a better indication of condition.
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