Question 76-1 : Propellers & rotors the diameter of a propeller blade is usually expressed in ? [ Mandatory specific ]

Question 1

Question 76-1 : Propellers & rotors the diameter of a propeller blade is usually expressed in ? [ Mandatory specific ]

Inche

Answer

An increase in drag and decrease in lift

Answer

The friction of the relative airflow on the contour of the aircraft

Question 2

Question 76-2 : Propellers & rotors the pitch of a propeller blade is usually expressed in ?

Inche

Question 3

Question 76-3 : Propellers & rotors the geometric pitch of a propeller is the ?

Distance a propeller blade element is travelling in forward direction in one propeller revolution

Question 4

Question 76-4 : Propellers and rotors propeller efficiency may be defined as the ratio between ?

Power available / power required

Question 5

Question 76-5 : Propellers and rotors a propeller blade is twisted so as to ?

Equalize the lift over the entire length of the blade

Question 6

Question 76-6 : The statement that best describes the effect of the center of gravity on the aircraft stability is ?

A forward center of gravity increases the natural stability of an aircraft

Question 7

Question 76-7 : Indicate how the conventional multicopter controls its attitude ?

The engines change their rotational speed rpm according to the desired direction of flight

Question 8

Question 76-8 : The ground effect ?

Reduces induced drag

Question 9

Question 76-9 : The laminar layer on a wing profile is ?

The thin smooth flow on the extrados from the leading edge to the point of transition

Question 10

Question 76-10 : The turbulent layer on a wing profile is ?

The thick and turbulent flow on the extrados after the point of transition

Question 11

Question 76-11 : The imaginary line joining the leading and trailing edge of the wing is called ?

Cord line

Question 12

Question 76-12 : The part of the wing shown by the arrow is . 55 ?

A flap

Question 13

Question 76-13 : Spoiler extension for a fixed wing drone causes ?

Question 14

Question 76-14 : Induced drag is associated with ?

Lift

Question 15

Question 76-1 : Propellers & rotors the diameter of a propeller blade is usually expressed in ? [ Mandatory specific ]

Inche

Question 76-2 : Propellers & rotors the pitch of a propeller blade is usually expressed in ?

Inche

Question 76-3 : Propellers & rotors the geometric pitch of a propeller is the ?

Distance a propeller blade element is travelling in forward direction in one propeller revolution

Question 76-4 : Propellers and rotors propeller efficiency may be defined as the ratio between ?

Power available / power required

Question 76-5 : Propellers and rotors a propeller blade is twisted so as to ?

Equalize the lift over the entire length of the blade

Question 76-6 : The statement that best describes the effect of the center of gravity on the aircraft stability is ?

A forward center of gravity increases the natural stability of an aircraft

Question 76-7 : Indicate how the conventional multicopter controls its attitude ?

The engines change their rotational speed rpm according to the desired direction of flight

Question 76-8 : The ground effect ?

Reduces induced drag

Question 76-9 : The laminar layer on a wing profile is ?

The thin smooth flow on the extrados from the leading edge to the point of transition

Question 76-10 : The turbulent layer on a wing profile is ?

The thick and turbulent flow on the extrados after the point of transition

Question 76-11 : The imaginary line joining the leading and trailing edge of the wing is called ?

Cord line

Question 76-12 : The part of the wing shown by the arrow is . 55 ?

A flap

Question 76-13 : Spoiler extension for a fixed wing drone causes ?

An increase in drag and decrease in lift

Question 76-14 : Induced drag is associated with ?

Lift

Question 76-15 : Parasit drag is associated with ?

The friction of the relative airflow on the contour of the aircraft