AERODY MIDTERMS MULTIPLE CHOICE

5.0(1)
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/34

encourage image

There's no tags or description

Looks like no tags are added yet.

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

35 Terms

1
New cards

smooth and parallel layers

what characterizes laminar flow?

2
New cards

laminar flow

which flow type is most efficient for reducing drag?

3
New cards

random and chaotic behavior

what does turbulent flow typically exhibit?

4
New cards

decreases with increased velocity

in compressible flow, what happens to the fluid density?

5
New cards

compressible flow

what type of flow is typically observed at very high speeds?

6
New cards

wave drag

which type of drag becomes more significant at high speeds?

7
New cards

wing shape and angle of attack

what is lift primarily generated by?

8
New cards

drag

what force opposes the motion of an aircraft through the air?

9
New cards

the forward force produced by engines

what does the term “thrust” refer to?

10
New cards

control pitch and stabilize flight

what is the primary role of an aircraft’s tail?

11
New cards

weight

which is NOT a component of lift?

12
New cards

pressure decreases

according to bernoulli’s principle, how does an increase in airflow velocity affect pressure?

13
New cards

to reduce drag and improve fuel efficiency

what is the primary purpose of a winglet on an aircraft?

14
New cards

control yaw

what is the primary purpose of a rudder on an aircraft?

15
New cards

control roll

what is the primary role of the ailerons on an aircraft?

16
New cards

pressure, velocity, and height

what does Bernoulli’s equation relate?

17
New cards

a decrease in pressure

In Bernoulli’s equation, an increase in velocity leads to:

18
New cards

viscous flow

which assumption is NOT made in Bernoulli’s principle?

19
New cards

pascals

what is the unit of pressure in the context of Bernoulli’s equation?

20
New cards

conservation of energy

Bernoulli’s equation is derived from which principle?

21
New cards

force, mass, and acceleration

What does the momentum equation relate?

22
New cards

changes in velocity and pressure

In fluid dynamics, the momentum equation accounts for:

23
New cards

analyzing fluid flow in pipelines

What is the primary application of the momentum equation?

24
New cards

transfer of momentum by fluid motion

what does the term “convective momentum transport” refer to?

25
New cards

Euler’s equation

which of the following is a form of momentum equation?

26
New cards

conservation of energy

what does the energy equation in fluid dynamics describe?

27
New cards

velocity head

In the energy equation, which term typically represents kinetic energy?

28
New cards

loss of energy due to friction

what does the term “head loss in the energy equation refer to?

29
New cards

kinetic energy, potential energy, and heat

which of the following is included in the energy equation?

30
New cards

steady and uniform flow

what type of flow does the energy equation typically apply to?

31
New cards

conservation of mass

what does the continuity equation express?

32
New cards

increase in velocity

In the context of continuity equation, what does a decrease in cross-sectional area imply?

33
New cards

rho AV=C

which form of continuity equation applies to compressible flow?

34
New cards

it ensures mass conservation

what is the significance of continuity equation in fluid dynamics?

35
New cards

A1V1=A2V2

if fluid density is constant, the continuity equation simplifies to: