Units 1-6 Pre-Assessment

Which best defines viscosity? (3.A.1)

• The resistance an object experiences as it moves through a fluid

• The ability of any fluid to change shape

• The velocity at which air moves over a surface

• The resistance of a fluid to a change in shape or a change in its motion

Which of the following is part of the empennage of a fixed-wing aircraft? Select all that apply. (2.A.1)

• a. rudder

• b. landing gear

• c. vertical stabilizer

• d. horizontal stabilizer

Relative to a changing angle of attack, which of the following is true? (4.B.1 and 4.B.3)

• A decrease in angle of attack will increase the pressure below the wing and increase drag.

• An increase in angle of attack will decrease the pressure above the wing and increase lift.

• An increase in angle of attack will increase the pressure above the wing and increase drag.

• A decrease in angle of attack will increase lift.

Which of the following are reasons why composite construction materials are used to build aircraft? Select all that apply. (2.B.1)

• They cost less than steel.

• They are undetectable.

• They are lightweight.

• They are durable.

• They are government-supplied.

Which safety measures are taken if the cabin of an airliner becomes depressurized? Select all that apply. (2.B.2)

• The pilot would descend the airplane to a lower altitude.

• A safety hammer would be used to knock out a rear window.

• Passengers would be told to remain seated in a crouched position.

• Oxygen masks would be deployed.

• The crew would increase the temperature of the cabin.

Which UAS material is inexpensive, cost-effective to replace, very rigid, yet difficult to repair? (2.B.3)

• Composite

• Plastic

• Metal

• Foam

With respect to the certification of aircraft, which are categories of aircraft? (1.B.1)

• Normal, utility, acrobatic

• Airplane, rotorcraft, glider

• Landplane, seaplane

• Single-engine, twin-engine, multi-engine

The tendency of a jet of fluid (such as air) to attach to a convex surface is known as _________. (3.A.1)

• air friction

• parasite drag

• the Coanda Effect

• negative stability

The coefficient of lift is determined by the __________. (4.B.3)

• angle of attack only

• speed and the angle of attack

• lift and thrust forces

• airfoil shape and the angle of attack

Which of the following certificates is required only if a pilot wants to fly for a major airline?

• Sport Pilot Certificate

• Private Pilot Certificate

• Instrument Rating

• Airline Transport Pilot Certificate