AERT3200 GLEIM 1 and 5

One of the main functions of flaps during the approach and landing is to

• decrease the angle of descent without increasing the airspeed.

• provide the same amount of lift at a slower airspeed.

• decrease lift, thus enabling a steeper-than-normal approach to be made.

Which is true regarding the use of flaps during level turns?

• The lowering of flaps increases the stall speed.

• The raising of flaps increases the stall speed.

• Raising flaps will require added forward pressure on the yoke or stick.

The angle of attack of a wing directly controls the

• angle of incidence of the wing.

• amount of airflow above and below the wing.

• distribution of pressures acting on the wing.

Some aircraft are fitted with wing spoilers to decrease

• drag

• takeoff speed

• lift

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

• wingtip, with the stall progression toward the wing root.

• wing root, with the stall progression toward the wingtip.

• center trailing edge, with the stall progression outward toward the wing root and tip

An aircraft airfoil is designed to produce lift resulting from a difference in the

• negative air pressure below and a vacuum above the airfoil's surface.

• vacuum below the airfoil's surface and greater air pressure above the airfoils surface.

• higher air pressure below the airfoil's surface and lower air pressure above the airfoil's surface.

Frost covering the upper surface of an airplane wing usually will cause

• the airplane to stall at an angle of attack that is higher than normal.

• the airplane to stall at an angle of attack that is lower than normal.

• drag factors so large that sufficient speed cannot be obtained for takeoff.

By changing the angle of attack of a wing, the pilot can control the airplane's

• lift, airspeed, and drag.

• lift, airspeed, and CG.

• lift and airspeed, but not drag.

When a pilot increases the angle of attack on a symmetrical airfoil, the center of pressure will

• move forward

• move aft

• be unchanged

Ground spoilers used after landing are

• more effective at low speed.

• equally effective at any speed.

• more effective at high speed.