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IFR (Instrument Rating) Airman Knowledge Test Questions 2007
A common type of ground or surface based temperature inversion is that which is produced by
A) warm air being lifted rapidly aloft in the vicinity of mountainous terrain.
B) the movement of colder air over warm air, or the movement of warm air under cold air.
C) ground radiation on clear, cool nights when the wind is light.
The presence of standing lenticular altocumulus clouds is a good indication of
A) a jet stream.
B) very strong turbulence.
C) heavy icing conditions.
Standing lenticular clouds, in mountainous areas, indicate
A) an inversion.
B) unstable air.
If you fly into severe turbulence, which flight condition should you attempt to maintain?
A) Constant airspeed (VA).
B) Level flight attitude.
C) Constant altitude and constant airspeed.
Which procedure is recommended if a pilot should unintentionally penetrate embedded thunderstorm activity?
A) Reverse aircraft heading or proceed toward an area of known VFR conditions.
B) Reduce airspeed to maneuvering speed and maintain a constant altitude.
C) Set power for recommended turbulence penetration airspeed and attempt to maintain a level flight attitude.
The average height of the troposphere in the middle latitudes is
A) 20,000 feet.
B) 25,000 feet.
C) 37,000 feet.
What causes surface winds to flow across the isobars at an angle rather than parallel to the isobars?
A) Coriolis force.
B) Surface friction.
C) The greater density of the air at the surface.
What effect will a change in wind direction have upon maintaining a 3° glide slope at a constant true airspeed?
A) When ground speed decreases, rate of descent must increase.
B) When ground speed increases, rate of descent must increase.
C) Rate of descent must be constant to remain on the glide slope.
While flying a 3° glide slope, a constant tailwind shears to a calm wind. Which conditions should the pilot expect?
A) Airspeed and pitch attitude decrease and there is a tendency to go below glide slope.
B) Airspeed and pitch attitude increase and there is a tendency to go below glide slope.
C) Airspeed and pitch attitude increase and there is a tendency to go above glide slope.
Thrust is managed to maintain IAS, and glide slope is being flown. What characteristics should be observed when a headwind shears to be a constant tailwind?
A) PITCH ATTITUDE: Increases; REQUIRED THRUST: Increased, then reduced; VERTICAL SPEED: Increases; IAS: Increases, then decreases to approach speed.
B) PITCH ATTITUDE: Decreases; REQUIRED THRUST: Increased, then reduced; VERTICAL SPEED: Increases; IAS: Decreases, then increases to approach speed.
C) PITCH ATTITUDE: Increases; REQUIRED THRUST: Reduced, then increased; VERTICAL SPEED: Decreases; IAS: Decreases, then increases to approach speed.
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