Which of the following statements regarding energy
is true? (A) Parasite
(B) Induced
(A) Kinetic energy decreases with increasing (C) Each type of drag contributes equally -
airspeed. ANSWER -(A) Parasite
(B) Potential energy is approximately proportional to
airspeed.
(C) Chemical energy remains constant throughout a While already at high speed, what happens if Mach is
flight allowed to increase?
(D) Kinetic energy can be traded for potential energy,
and potential energy can be traded for kinetic energy (A) Airflow over parts of the airplane begin to exceed
- ANSWER -(D) Kinetic energy can be traded the speed of sound
for potential energy, and potential energy can be (B) Shock waves can cause local airflow separation
traded for kinetic energy (C) Characteristics such as pitch-up, pitch-down, or
buffeting may occur.
(D) All of the above - ANSWER -(D) All of the
The objective in maneuvering the airplane is to above
manage energy so that:
(A) Kinetic energy stays between limits (stall and What is the result of a shock-induced separation of
placard) airflow occurring symmetrically near the wing root of
(B) Potential energy sstays between limits (terrain a swept wing aircraft?
and buffet altitude)
(C) Chemical energy stays above certain thresholds (A) A high-speed stall and sudden pitch-up
(not running out of fuel) (B) Severe porpoising.
(D) All of the above - ANSWER -(D) All of the (C) A severe moment or "Mach Tuck -
above ANSWER -(C) A severe moment or "Mach Tuck
What is the effect on total drag is airspeed slows The speed of sound generally decreases with
below L/D Max? increasing altitude. This occurs because:
(A) Drag increases because of increased parasite (A) The air temperature decreases.
drag (B) The air pressure decreases.
(B) Drag decreases because of lower induced drag (C) The composition of the air changes. -
(C) Drag increases because of increased induced ANSWER -(A) The air temperature decreases.
drag - ANSWER -(C) Drag increses because of
increased induced drag
Critical Mach number can be defined as:
A jet pilot flying at L/D Max is obtain best: (A) The speed at which the aircraft is traveling faster
than sound.
(A) Range (B) The maximum Mach number at which an aircraft
(B) Endurance may be safely operated.
(C) Ride Quality - ANSWER -(B) Endurance (C) The speed of an aicraft in which airflow over any
part of the aircraft or structure first reaches, but
doesn't exceed, Mach 1.0. - ANSWER -(C) The
When a jet aircraft is flown at the appropriate speed of an aicraft in which airflow over any part of
airspeed for maximum range, which type of drag the aircraft or structure first reaches, but doesn't
predominates? exceed, Mach 1.0.
, ATP-CTP Exam Test Questions with Verified Answers Graded A
(A) The extra drag produced by the turn can lead to
an excursion below L/DMax
Stability in the vertical axis tends to drive the sideslip (B) Aircraft engines at higher altitudes produce less
angle toward zero. The most dynamic stability about thrust to overcome drag
the vertical axis on modern jet transports is from: (C) The aircraft will be operating closer to its buffet
boundaries
(A) The vertical fin (D) All of the above - ANSWER -(D) All of the
(B) The rudder above
(C) An active stability augmentation system/yaw
damper
(D) Pilot roll input - ANSWER -(C) An active When operating at a constant airspeed with a contact
stability augmentation system/yaw damper thrust setting at high altitude (typically above FL250)
in slow flight below L/DMax airspeed, any disturbance
causing decrease in airspeed will result in a further
Swept wings cause a significant: decrease in airspeed unless thrust in increased. High
altitude recovery from slow flight while turning is best
(A) increase in effectiveness of flaps. accomplished by:
(B) Reduction in effectiveness of flaps
(C) flap actuation reliability issue - ANSWER - (A) Increasing thrust to arrest the slowdown
(B) Reduction in effectiveness of flaps (B) Increasing thrust to accelerate to airspeed above
L/DMax speed
(C) Increasing thrust to maximum available thrust and
Why is convergence of Stall AOA and MMO reducing bank angle while accelerating to airspeed
hazardous? above L/D Max speed. In a thrust limited situation,
exiting slow flight will require an immediate descent
(A) Any decrease in airspeed will cause the aircraft to as an aerodynamic stall is imminent. -
buffet and potentially stall ANSWER -(C) Increasing thrust to maximum
(B) Any increase in airspeed will cause the aircraft to available thrust and reducing bank angle while
buffet and potentially cause Mach Tuck accelerating to airspeed above L/D Max speed. In a
(C) Airspeed changes may occur due to thrust limited situation, exiting slow flight will require
environmental factors, without pilot input. an immediate descent as an aerodynamic stall is
(D) All of the above - ANSWER -(D) All of the imminent.
above
Maximum Altitude is the highest altitude at which an
To maintain altitude in a banked turn, the lift airplane can be operated. Maximum Altitude for an
produced by an airplane must be: airplane is:
(A) Greater than the airplane weight, and the amount (A) Maximum Certified Altitude - The altitude
is a function of bank angle determined during certification set by the
(B) Greater than the airplane weight, and the amount pressurization structural load limits on the fuselage.
is a function of altitude (B) Thrust Limited Altitude - The altitude at which
(C) Equal to the weight of the airplane. - sufficient thrust is available to provide a specific
ANSWER -(A) Greater than the airplane weight, minimum rate of climb.
and the amount is a function of bank angle (C) Buffet or Maneuver Limited Altitude - the altitude
at which a specific maneuver margin exists prior to
buffet onset.
Excessive bank angles at high altitudes can be (D) The highest of the above listed altitudes.
hazardous because: (E) The lowest of the above listed altitudes. -
ANSWER -(E) The lowest of the above listed