# Aerodynamics I

25 Questions | Total Attempts: 85  Settings  This quiz covers the aerodynamics content from Lecture 1. You have 30 minutes to complete the quiz and only one attempt. Enter your GMU ID number (e. G. , G00342659) Please check your email for the password.

Related Topics
• 1.
Ambient Pressure is the pressure of the
• A.

Surrounding medium such as a fluid or a gas which comes into contact with the object

• B.

Atmosphere at the altitude at which the aircraft is flying

• C.

Result of the velocity through a fluid or gas

• D.

Feeling in a restaurant or nighclub

• 2.
Static pressure is the pressure of the
• A.

Surrounding medium such as a fluid or a gas which comes into contact with the object

• B.

Atmosphere at the altitude at which the aircraft is flying

• C.

Result of the velocity through a fluid or gas

• D.

Background noise on a long-distance phone call

• 3.
Dynamic pressure is the pressure of the
• A.

Surrounding medium such as a fluid or a gas which comes into contact with the object

• B.

At the altitude at which the aircraft is flying

• C.

Result of the velocity through a fluid or gas

• D.

Result of Swedish Massage

• 4.
Pressure altitude is the pressure of the
• A.

Differential with respect to Pressure at Sea Level

• B.

Physical distance between aircraft and reference (e.g. Sea Level)

• C.

Difference in density with International Standard Atmosphere (ISA) temperature

• D.

Distance between Center of Earth and parallel surfaces around the spherical earth. Gravitational potential same on a surface

• 5.
Geometry altitude is the
• A.

Pressure differential with respect to Pressure at Sea Level

• B.

Physical distance between aircraft and reference (e.g. Sea Level)

• C.

Difference in density with International Standard Atmosphere (ISA) temperature

• D.

Distance between Center of Earth and parallel surfaces around the spherical earth. Gravitational potential same on a surface

• 6.
Density altitude is the
• A.

Pressure differential with respect to Pressure at Sea Level

• B.

Physical distance between aircraft and reference (e.g. Sea Level)

• C.

Difference in density with International Standard Atmosphere (ISA) temperature

• D.

Distance between Center of Earth and parallel surfaces around the spherical earth. Gravitational potential same on a surface

• 7.
Geopotential altitude is the
• A.

Pressure differential with respect to Pressure at Sea Level

• B.

Measure of the specific potential energy at the given height (relative to the Earth's surface)

• C.

Difference in density with International Standard Atmosphere (ISA) temperature

• D.

Distance between Center of Earth and parallel surfaces around the spherical earth. Gravitational potential same on a surface

• 8.
According to the ISA a decrease in temperature indicates
• A.

An increase in altitude

• B.

A decrease in altitude

• C.

An increase in pressure

• D.

Transition to the ionosphere

• 9.
Indicated Airspeed is
• A.

Airspeed measurement from difference in pressures

• B.

Airspeed correcting for instrument errors

• C.

Airspeed corrected for Compressibility effects

• D.

Actual relative speed between aircraft and airmass, corrected for difference in density at different altitudes

• 10.
Calibrated Airspeed is
• A.

Airspeed measurement from difference in pressures

• B.

Airspeed correcting for instrument errors

• C.

Airspeed corrected for Compressibility effects

• D.

Actual relative speed between aircraft and airmass, corrected for difference in density at different altitudes

• 11.
Equivalent Airspeed is
• A.

Airspeed measurement from difference in pressures

• B.

Airspeed correcting for instrument errors

• C.

Airspeed corrected for Compressibility effects

• D.

Actual relative speed between aircraft and airmass, corrected for difference in density at different altitudes

• 12.
True airspeed is
• A.

Airspeed measurement from difference in pressures

• B.

Airspeed correcting for instrument errors

• C.

Airspeed corrected for Compressibility effects

• D.

Actual relative speed between aircraft and airmass, corrected for difference in density at different altitudes

• 13.
The Angle-of-Attack is represented by letter (Note:  If image is too small, right click on it and select view image)
• A.

A

• B.

B

• C.

F

• D.

D

• E.

E

• 14.
The Leading Edge is represented by letter (Note:  If image is too small, right click on it and select view image)
• A.

B

• B.

F

• C.

C

• D.

A

• E.

E

• 15.
The Meanline is represented by letter(Note:  If image is too small, right click on it and select view image)
• A.

E

• B.

F

• C.

C

• D.

D

• E.

A

• 16.
The Camber is represented by letter(Note:  If image is too small, right click on it and select view image)
• A.

E

• B.

F

• C.

C

• D.

D

• E.

A

• 17.
The Chord is represented by letter(Note:  If image is too small, right click on it and select view image)
• A.

A

• B.

B

• C.

C

• D.

D

• E.

E

• 18.
The Trailing Edge is represented by letter(Note:  If image is too small, right click on it and select view image)
• A.

A

• B.

B

• C.

C

• D.

D

• E.

E

• 19.
Which parameter CANNOT be computed if the pitot tube (dynamic pressure sensor) becomes clogged?
• A.

Airspeed

• B.

Vertical speed

• C.

Altitude

• 20.
Which parameter (s) CANNOT be computed if the static vents (static pressure sensors) become clogged?
• A.

Airspeed only

• B.

Airspeed and altitude

• C.

Altitude only

• 21.
Geometric altitude is defined as
• A.

Vertical distance measured by comparison of pressure at aircraft altitude with pressure at reference (e.g. 29.92’ Hg, or local pressure at an airport).

• B.

Vertical distance measured by comparison of temperature at aircraft altitude with ISA standard temperature reference

• C.

Vertical distance between Center of Earth and parallel surfaces around the spherical earth.

• D.

Physical distance between aircraft and reference (e.g. mountain top)

• 22.
Density altitude is defined as
• A.

Vertical distance measured by comparison of pressure at aircraft altitude with pressure at reference (e.g. 29.92’ Hg, or local pressure at an airport).

• B.

Vertical distance measured by comparison of temperature at aircraft altitude with ISA standard temperature reference

• C.

Vertical distance between Center of Earth and parallel surfaces around the spherical earth.

• D.

Physical distance between aircraft and reference (e.g. mountain top)

• 23.
Geopotential altitude is defined as
• A.

Vertical distance measured by comparison of pressure at aircraft altitude with pressure at reference (e.g. 29.92’ Hg, or local pressure at an airport)

• B.

Vertical distance measured by comparison of temperature at aircraft altitude with ISA standard temperature reference

• C.

Vertical distance between Center of Earth and parallel surfaces around the spherical earth.

• D.

Physical distance between aircraft and reference (e.g. mountain top)

• 24.
Pressure altitude is defined as
• A.

Vertical distance measured by comparison of pressure at aircraft altitude with pressure at reference (e.g. 29.92’ Hg, or local pressure at an airport).

• B.

Vertical distance measured by comparison of temperature at aircraft altitude with ISA standard temperature reference

• C.

Vertical distance between Center of Earth and parallel surfaces around the spherical earth.

• D.

Physical distance between aircraft and reference (e.g. mountain top)

• 25.
Which combination of atmospheric conditions will reduce aircraft takeoff and climb performance (i.e. longer takeoff roll and lower rate of climb)?
• A.

High temperature, high relative humidity, and high altitude (e.g. Denver on hot humid day).

• B.

High temperature, low relative humidity, and low altitude (e.g. Phoenix on a hot summer day).

• C.

Low temperature, low relative humidity, and low altitude.