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Question 74-1 : Multi rotor aircraft dynamics for a remotely piloted aircraft system multi rotor type to yaw to the left or to the right ? [ Professional operation ]

Engines located on the same axis must turn faster

Question 74-2 : Multi rotor aircraft dynamics for a remotely piloted aircraft system multi rotor type to generate a roll to the right ?

Engines located on the right must be reduced.

exemple 78: Engines located on the right must be reduced
Engines located on the left must be reduced. engines located at the front must spin faster. engines located at the back must spin faster.

Question 74-3 : Multi rotor aircraft dynamics for a remotely piloted aircraft system multi rotor type to generate a roll to the left ?

Engines located on the left must be reduced.

exemple 82: Engines located on the left must be reduced
Engines located on the right must be reduced. engines located at the front must spin faster. engines located at the back must spin faster.

Question 74-4 : Multi rotor aircraft dynamics refer to annex the multi rotor which will roll or bank to the right is 54 ?

Multi rotor c.

exemple 86: Multi rotor c
Multi-rotor b. multi-rotor a. multi-rotor d.

Question 74-5 : Multi rotor aircraft dynamics refer to annex the multi rotor which will roll or bank to the left is 54 ?

Multi rotor d.

exemple 90: Multi rotor d
Multi-rotor a. multi-rotor b. multi-rotor c.

Question 74-6 : Multi rotor aircraft dynamics refer to annex the multi rotor which will roll away from you is 54 ?

Multi rotor a.

exemple 94: Multi rotor a
Multi-rotor b. multi-rotor c. multi-rotor d.

Question 74-7 : Multi rotor aircraft dynamics refer to annex the multi rotor which is moving toward you is 54 ?

Multi rotor b.

exemple 98: Multi rotor b
Multi-rotor a. multi-rotor c. multi-rotor d.

Question 74-8 : Multi rotor aircraft dynamics ground effect will enable a helicopter or a multi rotor to hover with less power primarily due to ?

A decrease in induced drag.

exemple 102: A decrease in induced drag
An increase in downwash. a decreased lift/drag ratio. an increase in blade tip vortices.

Question 74-9 : Multi rotor aircraft dynamics dynamic roll over may be caused by ?

An excessive rolling movement developing about a skid or wheel in contact with a slope or uneven ground.

exemple 106: An excessive rolling movement developing about a skid or wheel in contact with a slope or uneven ground
An aerobatic manoeuvre. a phenomenon of flight controls reversibility under high load factor. a very quick stop maneuver performed by the pilot.

Question 74-10 : Multi rotor aircraft dynamics the positioning and navigation system mainly uses µ1 a satellite based positioning system 2 a magnetometer 3 a vertical speed indicator 4 gyroscopes the combination regrouping all the correct statements is ?

1 2.

exemple 110: 1 2
1 - 4. 2 - 3. 1 - 3.

Question 74-11 : Multi rotor aircraft dynamics to put in a forward motion a remotely piloted aircraft system multi rotor type ?

Speed of rotation of the front rotors must be reduced.

Question 74-12 : Multi rotor aircraft dynamics for a remotely piloted aircraft system multi rotor type in hover fly ?

All the engines must spin at the same speed.

Question 74-13 : Multi rotor aircraft dynamics for a remotely piloted aircraft system multi rotor type flight stability is ?

Provided by reverting the direction rotation of the propellers.

exemple 122: Provided by reverting the direction rotation of the propellers
Managed by a tail rotor. provided by decreasing the speed of rotation of the clockwise propellers. provided by decreasing the speed of rotation of the counter-clockwise propellers.

Question 74-14 : Multi rotor aircraft dynamics for a remotely piloted aircraft system multi rotor type during a hover flight the airflow moves ?

Downward through the rotor disc from the higher part to the lower part.

Question 74-15 : Regarding the effects of wake turbulence under a drone ?

Proximity of the ground makes wake turbulence often disastrous for a remotely piloted aircraft.




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