MQF - Fundamentals and Structure Questions
With Complete Solutions
. A simultaneous oscillation about an airplane's
longitudinal and vertical axes is called Dutch roll. It
is minimizedon many airplanes by the use of a
_______________________ Correct Answers yaw
damper
A helicopter usually has positive static stability and
____________________ (positive or negative)
dynamicstability. Correct Answers negative
A horizontal tail surface that combines the
functions of a stabilizer and an elevator is call
a/an______________________ Correct Answers
stabilator
A large airplane with two ailerons on each wing
uses both ailerons in ___________________ (low or
high) speedflight. Correct Answers low
A moveable tail surface that combines the
functions of a rudder and an elevator is called
a/an______________________ Correct Answers
ruddervator
An airplane has a positive longitudinal static
stability when its center of gravity is
, ___________________ (aheador behind) the center of
lift. Correct Answers ahead of
An airplane is rotated about its lateral axis by the
use of its _____________________. Correct Answers
elevators
An airplane is rotated about its longitudinal axis by
the use of its ______________________ Correct
Answers ailerons
An airplane is rotated about its vertical axis by the
use of its _______________________ Correct Answers
rudder
An airplane operating in ground effect has a/an
_____________________ (increased or decreased)
induceddrag Correct Answers decreased
An airplane stalls only when it reaches a critically
______________________ (low flying speed or high
angle ofattack). Correct Answers high angle of
attack
An airplane wing that operates most efficiently at a
high angle of attack has a _______________________
(highor low) aspect ratio Correct Answers high
With Complete Solutions
. A simultaneous oscillation about an airplane's
longitudinal and vertical axes is called Dutch roll. It
is minimizedon many airplanes by the use of a
_______________________ Correct Answers yaw
damper
A helicopter usually has positive static stability and
____________________ (positive or negative)
dynamicstability. Correct Answers negative
A horizontal tail surface that combines the
functions of a stabilizer and an elevator is call
a/an______________________ Correct Answers
stabilator
A large airplane with two ailerons on each wing
uses both ailerons in ___________________ (low or
high) speedflight. Correct Answers low
A moveable tail surface that combines the
functions of a rudder and an elevator is called
a/an______________________ Correct Answers
ruddervator
An airplane has a positive longitudinal static
stability when its center of gravity is
, ___________________ (aheador behind) the center of
lift. Correct Answers ahead of
An airplane is rotated about its lateral axis by the
use of its _____________________. Correct Answers
elevators
An airplane is rotated about its longitudinal axis by
the use of its ______________________ Correct
Answers ailerons
An airplane is rotated about its vertical axis by the
use of its _______________________ Correct Answers
rudder
An airplane operating in ground effect has a/an
_____________________ (increased or decreased)
induceddrag Correct Answers decreased
An airplane stalls only when it reaches a critically
______________________ (low flying speed or high
angle ofattack). Correct Answers high angle of
attack
An airplane wing that operates most efficiently at a
high angle of attack has a _______________________
(highor low) aspect ratio Correct Answers high
