# Quiz #01 - Aerodynamics

24 Questions | Total Attempts: 2770  Settings  This quiz covers the aerodynamics content from Lecture 1. You have 30 minutes to complete the quiz and only one attempt. You must use Firefox Mozilla to view this quiz without problems. Enter your GMU ID number (e. G. , G00342659) Please check your email for the password.

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

Pressure of the surrounding medium such as a fluid or a gas which comes into contact with the object

• B.

Pressure of the atmosphere at the altitude at which the aircraft is flying

• C.

Pressure as the result of the velocity through a fluid or gas

• D.

The feeling in a restaurant or nightclub

• 2.
Dynamic Pressure is the
• A.

Pressure of the surrounding medium such as a fluid or a gas which comes into contact with the object

• B.

Pressure of the atmosphere at the altitude at which the aircraft is flying

• C.

Pressure as the result of the velocity through a fluid or gas

• D.

Result of Swedish Massage

• 3.
Pressure Altitude
• 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

• 4.
Geometric Altitude
• 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

• 5.
Density Altitude
• 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.
Geopotential Altitude
• 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.
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

• 8.
Indicated Airspeed
• 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

• 9.
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

• 10.
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

• 11.
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 air mass, corrected for difference in density at different altitudes

• 12.
Angle-of-attack is represented by letter
• A.

A

• B.

F

• C.

B

• D.

E

• E.

C

• 13.
The Leading Edge is represented by letter
• A.

A

• B.

B

• C.

C

• D.

D

• E.

E

• 14.
The Meanline is represented by letter
• A.

A

• B.

B

• C.

C

• D.

D

• E.

E

• 15.
Camber is represented by letter
• A.

A

• B.

B

• C.

C

• D.

D

• E.

E

• 16.
Chord is represented by letter
• A.

A

• B.

B

• C.

C

• D.

D

• E.

E

• 17.
Trailing Edge is represented by letter
• A.

A

• B.

B

• C.

C

• D.

D

• E.

E

• 18.
Which parameter CANNOT be computed if the pitot tube (dynamic pressure sensor) becomes clogged?
• A.

Airspeed

• B.

Vertical speed

• C.

Altitude

• 19.
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

• 20.
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)

• 21.
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)

• 22.
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)

• 23.
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)

• 24.
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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