Aerodynamics, Assembly, and Rigging
Questions and Answers
Relative humidity ✔️✔️Ratio in percent of moisture actually in the air to the moisture it would
hold if it were saturated at the same temperature and pressure
Weight of air is heaviest at ✔️✔️Sea level
Aerodynamics covers the relationship between ✔️✔️The aircraft, relative wind, and
atmosphere
Atmospheric pressure varies with ✔️✔️altitude
Newtons third law ✔️✔️For every action there is an equal and opposite reaction
The efficiency of a wing is measured in terms of the ✔️✔️Lift to drag ratio
Gravity or weight ✔️✔️Force that pulls the aircraft towards earth
Lift ✔️✔️Force that pushes the aircraft upwards
Thrust ✔️✔️Force that moves the aircraft forward
Drag ✔️✔️Force that exerts a braking action to hold the aircraft back
The force of lift acts _____ to relative wind ✔️✔️Perpendicular
The force of drag acts ____ in same direction as relative wind ✔️✔️Parallel
, The point of intersection of the resultant force line with the chord ling of the airfoil is called
✔️✔️Center of pressure
Boundary layer ✔️✔️Layer of fluid in the immediate vicinity of a bounding surface
Lift increases as ✔️✔️AOA increases
Roll is produced by ✔️✔️Ailerons
Pitch is affected by ✔️✔️Elevator
Yaw is controlled by ✔️✔️rudder
Axis that extends crosswise from wing tip to wing tip ✔️✔️Lateral or pitch axis
Stability ✔️✔️Cause aircraft to fly hands off in a straight and level flight path
Maneuverability ✔️✔️Directed along a desired flight path and to withstand the stress imposed
Controllability ✔️✔️Quality of response of an aircraft to the pilots commands while
maneuvering the aircraft
Compressibility are most important in ✔️✔️Transonic flows
Supersonic conditions occur for numbers greater than ✔️✔️Mach 1 but less than Mach 3
Better to be nose or tail heavy ✔️✔️Nose heavy
Questions and Answers
Relative humidity ✔️✔️Ratio in percent of moisture actually in the air to the moisture it would
hold if it were saturated at the same temperature and pressure
Weight of air is heaviest at ✔️✔️Sea level
Aerodynamics covers the relationship between ✔️✔️The aircraft, relative wind, and
atmosphere
Atmospheric pressure varies with ✔️✔️altitude
Newtons third law ✔️✔️For every action there is an equal and opposite reaction
The efficiency of a wing is measured in terms of the ✔️✔️Lift to drag ratio
Gravity or weight ✔️✔️Force that pulls the aircraft towards earth
Lift ✔️✔️Force that pushes the aircraft upwards
Thrust ✔️✔️Force that moves the aircraft forward
Drag ✔️✔️Force that exerts a braking action to hold the aircraft back
The force of lift acts _____ to relative wind ✔️✔️Perpendicular
The force of drag acts ____ in same direction as relative wind ✔️✔️Parallel
, The point of intersection of the resultant force line with the chord ling of the airfoil is called
✔️✔️Center of pressure
Boundary layer ✔️✔️Layer of fluid in the immediate vicinity of a bounding surface
Lift increases as ✔️✔️AOA increases
Roll is produced by ✔️✔️Ailerons
Pitch is affected by ✔️✔️Elevator
Yaw is controlled by ✔️✔️rudder
Axis that extends crosswise from wing tip to wing tip ✔️✔️Lateral or pitch axis
Stability ✔️✔️Cause aircraft to fly hands off in a straight and level flight path
Maneuverability ✔️✔️Directed along a desired flight path and to withstand the stress imposed
Controllability ✔️✔️Quality of response of an aircraft to the pilots commands while
maneuvering the aircraft
Compressibility are most important in ✔️✔️Transonic flows
Supersonic conditions occur for numbers greater than ✔️✔️Mach 1 but less than Mach 3
Better to be nose or tail heavy ✔️✔️Nose heavy
