cfi Airplanes and Aerodynamics

Refer to the diagram below. Which is a fowler flap?

Refer to the diagram below. Which is a slotted flap?

Refer to the diagram below. Which is a split flap?

Refer to the diagram below.  Which type of flap creates the greatest change in pitching moment?

Which type of flap creates the least change in pitching moment?

Which type of flap is characterized by large increases in lift coefficient with minimum changes in drag?

Refer to the diagram below. Which of the following illustrations is a fixed slot?

Refer to the diagram below. Which of the following illustrations is a movable slot?

Refer to the diagram below. Which of the following illustrations is a leading edge cuff?

Refer to the diagram below. Which of the following illustrations is a leading edge flap?

Which statement relates to Bernoulli’s principle?

An aircraft wing is designed to produce lift resulting from

During flight with zero angle of attack, the pressure along the upper surface of a wing would be

Why does increasing speed also increase

Lift produced by an airfoil is the net force developed perpendicular to the

The point on an airfoil through which lift acts is the

Changes in the center of pressure of a wing affect the aircraft’s

When the angle of attack of a symmetrical airfoil is increased, the center of pressure will

An airplane would have a tendency to nose up and have an inherent tendency to enter a stalled condition when the center of pressure is

The force which imparts a change in the velocity of a mass is called

That portion of the aircraft’s total drag created by the production of lift is called

Airflow from two adjacent surfaces that merge and create eddy currents, turbulence, or restrict airflow is called

As airspeed increases in level flight, total drag of an aircraft becomes greater than the total drag produced at the maximum lift/drag speed because of the

As airspeed decreases in level flight, total drag of an aircraft becomes greater than the total drag produced at the maximum lift/drag speed because of

Which relationship is correct when comparing drag and airspeed?

Refer to the diagram below. Which statement is true regarding airspace flight at L/Dmax?

Refer to the diagram below. The lift/drag at 2 degree angle of attack is approximately the same as the lift/drag for

Refer to the diagram below. At which angle of attack does the airplane travel the maximum horizontal distance  per foot of altitude lost?

Maximum gliding distance of an aircraft is obtained when

If an increase in power tends to make the nose of an airplane rise, this is the result of the

When considering the forces acting upon an airplane in straight-and-level flight at constant airspeed, which statement is correct?

Which statement is true regarding the forces acting on an airplane in a steady-state climb?

During a steady climb, the rate of climb depends on

Refer to the diagram below. At the airspeed represented by point A, in steady flight, the aircraft will

Refer to the diagram below. At an airspeed represented by point B, in steady flight, the pilot can expect to obtain the aircraft’s

During a steady climb, the angle of climb depends on

Which statement describes the relationship of the forces acting on an aircraft in a constant-power and constant-airspeed descent?

During flight, advancing thrust will

If an airplane’s gross weight is 3,250 pounds, what is the load acting on this airplane during a level 60° banked turn?

Refer to the diagram below. A positive load factor of 4 at 140 MPH would cause the airplane to

Refer to the diagram below. What load factor would be created if positive 30 feet per second gusts were encountered at 130 MPH?

Refer to the diagram below. The horizontal dashed line from point C to point E represents the

Refer to the diagram below. The airspeed indicated by point A is

Refer to the diagram below. The airspeed indicated by point C is

Refer to the diagram below. The airspeed indicated by point E is

Refer to the diagram below. The airspeed indicated by point D is

Refer to the diagram below. What increase in load factor would take place if the angle of bank were increased from 60° to 80°?

Refer to the diagram below. What is the stall speed of an airplane under a load factor of 2 if the unaccelerated stall speed is 100 knots?

Refer to the diagram below. A 70 percent increase in stalling speed would imply a bank angle of

Refer to the diagram below. What is the stall speed of an airplane under a load factor of 2 if the unaccelerated stall speed is 100 knots?

Refer to the diagram below.  A 70 percent increase in stalling speed would imply a bank angle of

Refer to the diagram below. What is the stall speed of an airplane in a 30 degree bank turn if the level stall speed is 100 knots?

An airplane has a normal stalling speed of 60MP H but is forced into an accelerated stall at twice t ha t speed. What maximum load factor will result from this maneuver?

At a constant velocity in airflow, a high aspect ratio wing will have (in comparison with a low aspect ratio wing)

The use of a slot in the leading edge of the wing enables an airplane to land at a slower speed because it

A rectangular wing, as compared to other wing planforms, has a tendency to stall first at the

The angle between the chord line of the wing and the longitudinal axis of the aircraft 1s known as

Refer to the diagram below. Which aircraft has the highest aspect ratio?

Refer to the diagram below. Which aircraft has the lowest aspect ratio?

Refer to the diagram below. Of aircraft 1, 2, or 3, which has the lowest aspect ratio?

Refer to the diagram below. Consider only aspect ratio (other factors remain constant). Which aircraft will generate greatest lift?

Refer to the diagram below. Consider only aspect ratio (other factors remain constant). Which aircraft will generate greatest drag?

Refer to the diagram below.  Consider only aspect ratio (other factors remain constant). Which aircraft will generate the least drag?

Which subsonic planform provides the best lift coefficient?

A line drawn from the leading edge to the trailing edge of an airfoil and equidistant at all points from the upper and lower contours is called the

A sweptwing airplane with weak static directional stability and increased dihedral causes an increase in

On which wing planform does the stall begin at the wing root and progress outward toward the wingtip?

The purpose of aircraft wing dihedral angle is to

Aspect ratio of a wing is defined as the ratio of the

A wing with a very high speed ratio (in comparison with a low aspect ratio wing) will have

The three axes of an aircraft intersect at the

Action of the elevators moves the plane on its

Aileron deflection moves the airplane about its

If the pilot applies right rudder to a stable airplane, the

The angle between the chord line of an airfoil and the relative wind is known as the angle of

The critical angle of attack at which a given aircraft stalls is dependent on the

The angle of attack of a wing directly controls the

As the angle of bank is increased, the vertical component of lift

How can a pilot increase the rate of turn and decrease the radius at the same time?

What action is necessary to make an aircraft turn?

Refer to the diagram below. While rolling into a right turn, if the inclinometer appears as illustrated in A, the HCL and CF vectors would be acting on the aircraft as illustrated in

Refer to the diagram below. While rolling into a right turn, if the inclinometer appears as illustrated in C, the HCL and CF vectors would be acting on the aircraft as illustrated in

Refer to the diagram below. While rolling out of a left turn, if the inclinometer appears as illustrated in A, the HCL and CF vectors would be acting on the aircraft as illustrated in

Adverse yaw during a turn entry is caused by

When rolling out of a steep-banked turn, what causes the lowered aileron to create more drag than when rolling into the turn?

The quality of an aircraft that permits it to be operated easily and to withstand the stresses imposed on it is

The capability of an aircraft to respond to a pilot’s inputs, especially with regard to flightpath and attitude, is

The tendency of an aircraft to develop forces which restore it to its original condition, when disturbed from a condition of steady flight, is known

The most desirable type of stability for an aircraft to possess is

Which aircraft characteristics contribute to spiral instability?

The tendency of an aircraft to develop forces that further remove the aircraft from its original position, when disturbed from a condition of steady flight, is known as

If the aircraft’s nose initially tends to return to its original position after the elevator control is pressed forward and released, the aircraft displays

If the airspeed increases and decreases during longitudinal phugoid oscillations, the aircraft

If an aircraft has negative dynamic and positive static stability, this will result in

If the aircraft’s nose initially tends to move farther from its original position after the elevator control is pressed forward and released, the aircraft displays

If the aircraft’s nose remains in the new position after the elevator control is pressed forward and released, the aircraft displays

With regard to gyroscopic precession, when a force is applied at a point on the rim of a spinning disc, the resultant force acts in which direction and at what point?

As a result of gyroscopic precession, it can be said that any

A propeller rotating clockwise, as seen from the rear, creates a spiraling slipstream that tends to rotate the aircraft to the

The angle of attack at which an airplane stalls

Which action will result in a stall?

Which statement is true relating to the factors which produce stalls?

Which characteristic of a spin is not a characteristic of a steep spiral?

Which statement is true concerning the aerodynamic conditions which occur during a spin entry?

It is possible to fly an aircraft just clear of the ground at a slightly slower airspeed than that required to sustain level flight at higher altitudes. This is the result of

If the same angle of attack is maintained in ground effect as when out of ground effect, lift will

An airplane is usually affected by ground effect at what height above the surface

An airplane leaving ground effect will

If severe turbulence is encountered, the aircraft’s airspeed should be reduced to

Which is the best technique for minimizing the wing-load factor when flying in severe turbulence?