M8 Basic Aerodynamics Sub-Module No 1(Quiz No :1)

8.1 Physics of the Atmosphere

Quiz

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1. Atmospheric pressure is measured with an instrument called a barometer, composed of ?
   1.   Fluid in a tube
   2.   Mercury in a tube
   3.   Air in a tube
2. Density varies ………. with the temperature ?
   
   1.   directly
   2.   constant
   3.   inversely
3. Temperature ……….. with altitude in the stratosphere ?
   1.   Increases
   2.   Decreases
   3.   Constant
4. Aerodynamics covers the relationships between the aircraft ?
   
   1.   Relative wind and ground
   2.   Relative wind and atmosphere
   3.   Relative wind and thermosphere
5. Pressure, temperature, humidity, and density of the air are ?
   1.   Continuously changing
   2.   Constant
   3.   Not changing
6. The uppermost layer of the atmosphere is ?
   
   1.   Mesosphere
   2.   Thermosphere
   3.   Troposphere
7. Atmospheric pressure at sea level is ?
   1.   14.7 psi or 1013 mb
   2.   14.7 psi or 2013 mb
   3.   14.7 psi or 39.92 Hg
8. The action of the airflow over a body is a large part of the study of ?
   
   1.   Thermodynamics
   2.   Pneudraulics
   3.   Aerodynamics
9. Most civilian aviation takes place in the troposphere in which as altitude increases, ?
   1.   temperature decreases
   2.   temperature increases
   3.   temperature constant
10. It is usually defined as the force exerted against the earth’s surface by the weight of the air above that surface ?
    1.   Aerodynamics pressure
    2.   Differential pressure
    3.   Atmospheric pressure