Which of the following statements regarding energy is true?
A. Kinetic energy decreases with increasing airspeed
B. Potential energy is approximately proportional to airspeed
C. Chemical Energy remains constant throughout flight
D. Kinetic energy can be traded for potential energy and
potential energy can be traded for kinetic energy
D. Kinetic energy can be traded for potential energy and
potential energy can be traded for kinetic energy
The objective in maneuvering the airplane is to manage the
energy so that:
A. Kinetic energy stays between limits (stall and placards)
B. Potential energy stays between limits (terrain and buffet
altitude)
C. Chemical energy stays above certain thresholds (not
running out of fuel)
D. All of the above
D. All of the above
What is the effect on total drag if airspeed slows below
L/DMax?
A. Drag increases because of increased parasite drag.
B. Drag decreases because of lower induced drag.
C. Drag increases because of increased induced drag.
C. Drag increases because of increased induced drag
,A jet pilot flying at L/DMax will obtain best:
A. Range
B. Endurance
C. Ride Quality
B. Endurance
When a jet aircraft is flown at the appropriate airspeed for
maximum range, which type of drag predominates?
a. Parasite
b. Induced
c. Each type of drag contributes equally
a. Parasite
While already at high speed, what happens if Mach is allowed
to increase?
a. Airflow over parts of the airplane begin to exceed the speed
of sound
b. Shock waves can cause local airflow separation
c. Characteristics such as pitch-up, pitch-down, or buffeting
may occur.
d. All of the above
d. All of the above
What is the result of a shock-induced separation of airflow
occurring symmetrically near the wing root of a swept wing
aircraft?
a. A high-speed stall and sudden pitch-up
b. Severe porpoising.
c. A severe moment or "Mach Tuck".
, c. A severe moment or "Mach Tuck".
The speed of sound generally decreases with increasing
altitude. This occurs because:
a. The air temperature decreases.
b. The air pressure decreases.
c. The composition of the air changes.
a. The air temperature decreases.
Critical Mach number can be defined as:
a. The speed at which the aircraft is traveling faster than
sound.
b. The maximum Mach number at which an aircraft may be
safely operated.
c. the speed of an aircraft in which airflow over any part of
the aircraft or structure first reaches, but doesn't exceed,
Mach 1.0
c. the speed of an aircraft in which airflow over any part of the
aircraft or structure first reaches, but doesn't exceed, Mach
1.0
Stability in the vertical axis tends to drive the sideslip angle
toward zero. The most dynamic stability about the vertical
axis on modern jet transports is from:
a. The vertical fin
b. The rudder
c. An active stability augmentation system/yaw damper
d. Pilot roll input
c. An active stability augmentation system/yaw damper Swept
wings cause a significant:
A. Kinetic energy decreases with increasing airspeed
B. Potential energy is approximately proportional to airspeed
C. Chemical Energy remains constant throughout flight
D. Kinetic energy can be traded for potential energy and
potential energy can be traded for kinetic energy
D. Kinetic energy can be traded for potential energy and
potential energy can be traded for kinetic energy
The objective in maneuvering the airplane is to manage the
energy so that:
A. Kinetic energy stays between limits (stall and placards)
B. Potential energy stays between limits (terrain and buffet
altitude)
C. Chemical energy stays above certain thresholds (not
running out of fuel)
D. All of the above
D. All of the above
What is the effect on total drag if airspeed slows below
L/DMax?
A. Drag increases because of increased parasite drag.
B. Drag decreases because of lower induced drag.
C. Drag increases because of increased induced drag.
C. Drag increases because of increased induced drag
,A jet pilot flying at L/DMax will obtain best:
A. Range
B. Endurance
C. Ride Quality
B. Endurance
When a jet aircraft is flown at the appropriate airspeed for
maximum range, which type of drag predominates?
a. Parasite
b. Induced
c. Each type of drag contributes equally
a. Parasite
While already at high speed, what happens if Mach is allowed
to increase?
a. Airflow over parts of the airplane begin to exceed the speed
of sound
b. Shock waves can cause local airflow separation
c. Characteristics such as pitch-up, pitch-down, or buffeting
may occur.
d. All of the above
d. All of the above
What is the result of a shock-induced separation of airflow
occurring symmetrically near the wing root of a swept wing
aircraft?
a. A high-speed stall and sudden pitch-up
b. Severe porpoising.
c. A severe moment or "Mach Tuck".
, c. A severe moment or "Mach Tuck".
The speed of sound generally decreases with increasing
altitude. This occurs because:
a. The air temperature decreases.
b. The air pressure decreases.
c. The composition of the air changes.
a. The air temperature decreases.
Critical Mach number can be defined as:
a. The speed at which the aircraft is traveling faster than
sound.
b. The maximum Mach number at which an aircraft may be
safely operated.
c. the speed of an aircraft in which airflow over any part of
the aircraft or structure first reaches, but doesn't exceed,
Mach 1.0
c. the speed of an aircraft in which airflow over any part of the
aircraft or structure first reaches, but doesn't exceed, Mach
1.0
Stability in the vertical axis tends to drive the sideslip angle
toward zero. The most dynamic stability about the vertical
axis on modern jet transports is from:
a. The vertical fin
b. The rudder
c. An active stability augmentation system/yaw damper
d. Pilot roll input
c. An active stability augmentation system/yaw damper Swept
wings cause a significant:
