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CPL Test Series
Question Bank
Questions for DENSITY1
Answer the following questions
Test Mode
Training Mode
1. At FL 180, the air temperature is -35°C.The air density at this level is
Equal to the density of the ISA atmosphere at FL 180.
Less than the density of the ISA atmosphere at FL 180
Greater than the density of the ISA atmosphere at FL 180.
Unable to be determined without knowing the QNH.
2. The tropopause in mid latitudes is
Lower in winter with a lower temperature.
Lower in summer with a higher temperature.
Lower in winter with a higher temperature.
Lower in summer with a lower temperature.
3. Generally as altitude increases
temperature, pressure and density decreases
temperature decreases and density increases
temperature and pressure increase and density decreases
temperature decreases and pressure density increases
4. Density at the surface will be low when
Pressure is low and temperature is low.
Pressure is high and temperature is low.
Pressure is low and temperature is high.
Pressure is high and temperature is high.
5. Under what condition does pressure altitude have the same value as density altitude?
At standard temperature.
At sea level when the temperature is 0°C.
When the altimeter has no position error.
When the altimeter setting is 1013,2 hPa.
6. Consider the following statements relative to Air Density and select the one which is correct:
At any given surface temperature the air density will be greater in anticyclonic conditions than it will be when the MSL pressure is lower.
The effect of change of temperature on the air density is much greater than the effect of change of atmospheric pressure
Because air density increases with decrease of temperature, air density must increase with increase of height in the International Standard Atmosphere (ISA..
Air density increases with increase of relative humidity.
7. In the troposphere
over warm air, the pressure is lower at upper levels than at similar levels over warm air
over cold air, the pressure is lower at upper levels than at similar levels over warm air
over cold air, the pressure is higher at upper levels than at similar levels over warm air
the upper level pressure depends solely on the relative humidity below
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