Aerodynamics I
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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.
- 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)
- ProProfs]( "The Angle-of-Attack is represented by letter (Note: If image is too small, right click on it and select view image)")
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)
- ProProfs]( "The Leading Edge is represented by letter
(Note: If image is too small, right click on it and select view image)")
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)
- ProProfs]( "The Meanline is represented by letter(Note: If image is too small, right click on it and select view image)")
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)
- ProProfs]( "The Camber is represented by letter(Note: If image is too small, right click on it and select view image)")
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)
- ProProfs]( "The Chord is represented by letter(Note: If image is too small, right click on it and select view image)")
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)
- ProProfs]( "The Trailing Edge is represented by letter(Note: If image is too small, right click on it and select view image)")
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.
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