Unit 203 - Aerodynamics

What's the standard day temperature?

• 273K 15°C, 69°F

• 273K 15°C, 59°F

• 288.15K 15.15°C, 59°F

• 14.7 psi

When the air is stationary it exerts a ______ pressure.

• High

• Static

• Total

• Dynamic

Static pressure + Dynamic pressure =

• Left pressure

• Pitot Pressure

• 14.7 psi

• 1.225 kgm-3

What are the lowest and highest layers of Earth's atmosphere?

• Tropopause & Exosphere

• Stratosphere & Exosphere

• Troposphere & Exosphere

• Tropopause & Mesosphere

Combined Gas Law is

• PV/T = Constant

• PT/V = Constant

• V/PT = Constant

• P/TV = Constant

State Bernoulli's principle.

If a hairdryer blows a stream of air between two soda cans hanging side by side, the soda cans will ____________________.

• rise

• move away from each other

• move toward each other

• not move

What is lift?

• The speeding up and slowing down of air as it moves across a wing causing an upward push

• The measure of gravity pulling down on an airplane's wing

• The force caused by an airplane's engine that pushes the plane forward

• Lift is the opposite of drag

When an aircraft's speed increases, drag on the aircraft generally ___.

• increases

• decreases

• stays the same

• doubles

Spin can only happens after______

• Angel of Attack (AOA)

• Stall

• Angle of incidence

• Spiral roll