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Showing results 101 - 110 of 981 total.
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2.4.1.0.1.A.1
IRA IRH FII FIH AIF HIF IGI IFP
Knowledge Code: I24
To which meteorological condition does the term "dewpoint'' refer?
*A) The temperature to which air must be cooled to become saturated.
B) The temperature at which condensation and evaporation are equal.
C) The temperature at which dew will always form.
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Modified: 7/16/2004 Original Version
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2.4.1.0.2.A.1
IRA IRH FII FIH AIF HIF IGI IFP
Knowledge Code: I24
What temperature condition is indicated if wet snow is encountered at your flight altitude?
*A) The temperature is above freezing at your altitude.
B) You are flying from a warm air mass into a cold air mass.
C) The temperature is below freezing at your altitude.
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Modified: 7/16/2004 Original Version
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2.4.1.0.3.A.1
IRA IRH FII FIH AIF HIF IGI IFP
Knowledge Code: I24
The amount of water vapor which air can hold largely depends on
A) relative humidity.
*B) air temperature.
C) stability of air.
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Modified: 7/16/2004 Original Version
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2.4.1.0.4.A.1
IRA IRH FII FIH AIF HIF IGI IFP
Knowledge Code: I24
Clouds, fog, or dew will always form when
*A) water vapor condenses.
B) the temperature and dewpoint are equal.
C) water vapor is present.
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Modified: 7/16/2004 Original Version
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2.4.1.0.5.A.1
IRA IRH FII FIH AIF HIF IGI IFP
Knowledge Code: I23
What causes surface winds to flow across the isobars at an angle rather than parallel to the isobars?
*A) Surface friction.
B) The greater density of the air at the surface.
C) Coriolis force.
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Modified: 7/16/2004 Original Version
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2.4.1.0.6.A.1
IRA IRH FII FIH AIF HIF IGI IFP
Knowledge Code: I23
Winds at 5,000 feet AGL on a particular flight are southwesterly while most of the surface winds are southerly. This difference in direction is primarily due to
*A) friction between the wind and the surface.
B) stronger Coriolis force at the surface.
C) a stronger pressure gradient at higher altitudes.
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Modified: 7/16/2004 Original Version
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2.4.1.0.7.A.1
IRA IRH FII FIH AIF HIF IGI IFP
Knowledge Code: I23
What relationship exists between the winds at 2,000 feet above the surface and the surface winds?
A) The winds at 2,000 feet and the surface winds flow in the same direction, but the surface winds are weaker due to friction.
*B) The winds at 2,000 feet tend to parallel the isobars while the surface winds cross the isobars at an angle toward lower pressure and are weaker.
C) The surface winds tend to veer to the right of the winds at 2,000 feet and are usually weaker.
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Modified: 7/16/2004 Original Version
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2.4.1.0.8.A.1
IRA IRH FII FIH AIF HIF IGI IFP
Knowledge Code: I23
Which force, in the Northern Hemisphere, acts at a right angle to the wind and deflects it to the right until parallel to the isobars?
*A) Coriolis.
B) Pressure gradient.
C) Centrifugal.
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Modified: 7/16/2004 Original Version
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2.4.1.0.9.A.1
IRA IRH FII FIH AIF HIF IGI IFP
Knowledge Code: I22
Under what condition will true altitude be lower than indicated altitude with an altimeter setting of 29.92" Hg?
A) In warmer than standard air temperature.
B) When density altitude is higher than indicated altitude.
*C) In colder than standard air temperature.
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Modified: 7/16/2004 Original Version
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2.4.1.1.0.A.1
IRA IRH FII FIH AIF HIF IGI IFP
Knowledge Code: I22
Which of the following defines the type of altitude used when maintaining FL 210?
*A) Pressure.
B) Calibrated.
C) Indicated.
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Modified: 7/16/2004 Original Version
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