AVMF 4400 FINAL EXAM (UPDATED) 2023/2024 QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTION
1.1 Aerodynamic Force (AF) resolves in which aerodynamic components? Ans - Lift and Drag
1.2 The aerodynamic component that is 90° to the flight path and acts toward the top of the airplane is
called: Ans - lift
1.3 The aerodynamic component that is parallel to the flight path and acts toward the rear of the
airplane is called: Ans - drag
1.4 The measure of the amount of material contained in a body is called: Ans - mass
1.5 The force caused by the gravitational attraction of the earth, moon, or sun is called: Ans - weight
1.6 A quantity that has both magnitude and direction is called: Ans - vector
1.7 An aircraft flying from AUO to ATL at 5,000 feet and 110 KIAS is said to have what kind of quantity?
Ans - vector
1.8 An aircraft is traveling west at an airspeed of 120 knots and is experiencing a crosswind of 20 knots
from the north (90°). Find the Groundspeed. Ans - 121.65 knots
1.9 An aircraft is traveling west at an airspeed of 120 knots and is experiencing a crosswind of 20 knots
from the north (90°). Find the Drift Angle. Ans - 9.82
1.10 An aircraft is in a steady climb, at an airspeed of 100 knots, and the flight path makes a 10° angle
with the horizontal. Find the Rate of Climb. Ans - 1759
1.11 Equilibrium is defined as "a state of balance or equality between opposing forces." What two
requirements must be met in order to be considered in a state of equilibrium? Ans - A and B
,1.12 Solve for left and right moment arm and fulcrum force against the seesaw (respectively) (See Figure
1_Test 1): Ans - 60/20/40
1.13 An airplane weighs 8,000 lb. The local gravitational acceleration g is 32 fps2. What is the mass of the
airplane? Ans - 250 slugs
1.14 An airplane with a mass of 250 slugs accelerates down the takeoff runway with a net force of 3,000
lb. Find the acceleration of the airplane. Ans - 12 fps2
1.15 An airplane is climbing at a constant airspeed in no-wind conditions. The plane is directly over a
point on the ground that is 3 nautical miles from the takeoff point and the altimeter reads 12,152 feet.
Find the distance in nautical miles that it has flown through the air. Ans - 3.6
1.16 An airplane weighs 8,000 lbs and is flying at 6,000 ft altitude and an airspeed of 200 fps. Find the
potential energy. Ans - 48 x 1,000,000
1.17 An airplane weighs 8,000 lbs and is flying at 6,000 ft altitude and an airspeed of 200 fps. Find the
kinetic energy. Ans - 5 x 1,000,000
1.18 An aircraft's turbojet engine produces 10,000 lbs of thrust at 200 knots true airspeed. What is the
equivalent power that it is producing? Ans - 6153.8 hp
1.19 An aircraft weighs 12,000 lbs. If the coefficient of friction is 0.8, find the braking force Fb on the
airplane. Ans - 9600 lbs
1.20 Newton's First Law of Motion states that: Ans - A body at rest will remain at rest and a body in
motion will remain in motion, in a straight line, unless acted upon by an unbalanced force.
1.21 Newton's Second Law of Motion states that: Ans - If a body is acted on by an unbalanced force, the
body will accelerate in the direction of the force and the acceleration will be directly proportional to the
force and inversely proportional to the mass of the body.
, 1.22 Newton's Third Law of Motion states that: Ans - For every action force there is an equal and
opposite reaction force.
1.23 Potential Energy is defined as: Ans - An energy of position
1.24 Kinetic Energy is defined as: Ans - An energy of motion
1.25 The Law of Conservation of Energy states that: Ans - All of the above
2.1 Static air pressure is simply the weight per unit area of the air above the level under consideration. If
there is an increase in air pressure, it will: Ans - Affect air density by increasing the density
2.2 For temperatures to be used in calculating the effects on performance, the appropriate absolute
scale must be used. Assuming you maintain a constant altitude, a decrease in temperature will: Ans -
Affect air density by increasing the density
2.3 Pressure ratio can be defined as: Ans - The pressure of the air at the level of consideration divided by
the sea level standard pressure
2.4 Density ratio, σ (sigma) is: Ans - Equal to pressure ratio divided by temperature ratio
2.5 Bernoulli's equation for subsonic flow states that: Ans - If the velocity of an airstream within a tube is
increased, the static pressure of the air decreases
2.6 The corrections that must be made to indicated airspeed (IAS) to obtain calibrated airspeed (CAS)
are: Ans - Instrument error and position error
2.7 The correction from equivalent airspeed (EAS) to true airspeed (TAS) is dependent on: Ans - Density
ratio alone
2.8 An airplane is operating from an airfield that has a barometric pressure of 28.86 in. Hg and a runway
temperature of 20°C. Calculate (or find in Table 2.1) the Pressure Ratio: Ans - 0.9645
WITH COMPLETE SOLUTION
1.1 Aerodynamic Force (AF) resolves in which aerodynamic components? Ans - Lift and Drag
1.2 The aerodynamic component that is 90° to the flight path and acts toward the top of the airplane is
called: Ans - lift
1.3 The aerodynamic component that is parallel to the flight path and acts toward the rear of the
airplane is called: Ans - drag
1.4 The measure of the amount of material contained in a body is called: Ans - mass
1.5 The force caused by the gravitational attraction of the earth, moon, or sun is called: Ans - weight
1.6 A quantity that has both magnitude and direction is called: Ans - vector
1.7 An aircraft flying from AUO to ATL at 5,000 feet and 110 KIAS is said to have what kind of quantity?
Ans - vector
1.8 An aircraft is traveling west at an airspeed of 120 knots and is experiencing a crosswind of 20 knots
from the north (90°). Find the Groundspeed. Ans - 121.65 knots
1.9 An aircraft is traveling west at an airspeed of 120 knots and is experiencing a crosswind of 20 knots
from the north (90°). Find the Drift Angle. Ans - 9.82
1.10 An aircraft is in a steady climb, at an airspeed of 100 knots, and the flight path makes a 10° angle
with the horizontal. Find the Rate of Climb. Ans - 1759
1.11 Equilibrium is defined as "a state of balance or equality between opposing forces." What two
requirements must be met in order to be considered in a state of equilibrium? Ans - A and B
,1.12 Solve for left and right moment arm and fulcrum force against the seesaw (respectively) (See Figure
1_Test 1): Ans - 60/20/40
1.13 An airplane weighs 8,000 lb. The local gravitational acceleration g is 32 fps2. What is the mass of the
airplane? Ans - 250 slugs
1.14 An airplane with a mass of 250 slugs accelerates down the takeoff runway with a net force of 3,000
lb. Find the acceleration of the airplane. Ans - 12 fps2
1.15 An airplane is climbing at a constant airspeed in no-wind conditions. The plane is directly over a
point on the ground that is 3 nautical miles from the takeoff point and the altimeter reads 12,152 feet.
Find the distance in nautical miles that it has flown through the air. Ans - 3.6
1.16 An airplane weighs 8,000 lbs and is flying at 6,000 ft altitude and an airspeed of 200 fps. Find the
potential energy. Ans - 48 x 1,000,000
1.17 An airplane weighs 8,000 lbs and is flying at 6,000 ft altitude and an airspeed of 200 fps. Find the
kinetic energy. Ans - 5 x 1,000,000
1.18 An aircraft's turbojet engine produces 10,000 lbs of thrust at 200 knots true airspeed. What is the
equivalent power that it is producing? Ans - 6153.8 hp
1.19 An aircraft weighs 12,000 lbs. If the coefficient of friction is 0.8, find the braking force Fb on the
airplane. Ans - 9600 lbs
1.20 Newton's First Law of Motion states that: Ans - A body at rest will remain at rest and a body in
motion will remain in motion, in a straight line, unless acted upon by an unbalanced force.
1.21 Newton's Second Law of Motion states that: Ans - If a body is acted on by an unbalanced force, the
body will accelerate in the direction of the force and the acceleration will be directly proportional to the
force and inversely proportional to the mass of the body.
, 1.22 Newton's Third Law of Motion states that: Ans - For every action force there is an equal and
opposite reaction force.
1.23 Potential Energy is defined as: Ans - An energy of position
1.24 Kinetic Energy is defined as: Ans - An energy of motion
1.25 The Law of Conservation of Energy states that: Ans - All of the above
2.1 Static air pressure is simply the weight per unit area of the air above the level under consideration. If
there is an increase in air pressure, it will: Ans - Affect air density by increasing the density
2.2 For temperatures to be used in calculating the effects on performance, the appropriate absolute
scale must be used. Assuming you maintain a constant altitude, a decrease in temperature will: Ans -
Affect air density by increasing the density
2.3 Pressure ratio can be defined as: Ans - The pressure of the air at the level of consideration divided by
the sea level standard pressure
2.4 Density ratio, σ (sigma) is: Ans - Equal to pressure ratio divided by temperature ratio
2.5 Bernoulli's equation for subsonic flow states that: Ans - If the velocity of an airstream within a tube is
increased, the static pressure of the air decreases
2.6 The corrections that must be made to indicated airspeed (IAS) to obtain calibrated airspeed (CAS)
are: Ans - Instrument error and position error
2.7 The correction from equivalent airspeed (EAS) to true airspeed (TAS) is dependent on: Ans - Density
ratio alone
2.8 An airplane is operating from an airfield that has a barometric pressure of 28.86 in. Hg and a runway
temperature of 20°C. Calculate (or find in Table 2.1) the Pressure Ratio: Ans - 0.9645
