单选题 Freezing Point Depressant (FPD) fluid residue on engine fan or compressor blades
A、can increase performance and cause stalls or surges.
B、could cause FDP vapors to enter the aircraft but would have no
affect on engine thrust or power.
C、can reduce engine performance and cause surging and/or compressor stalls
单选题 Snow on top of deicing or anti-icing fluids
A、need not be considered as adhering to the aircraft
B、must be considered as adhering to the aircraft.
C、must be considered as adhering to the aircraft, but a safe takeoff can be made as it will blow off.
单选题 Which procedure increases holding time when deicing/anti-icing an airplane using a two-step process?
A、Heated Type 1 fluid followed by cold Type 2 fluid
B、Cold Type 2 fluid followed by hot Type 2 fluid.
C、Heated Type 1 or 2 fluid followed by cold Type 1 fluid.
单选题 Freezing Point Depressant (FPD) fluids are highly soluble in water; however,
A、ice is slow to absorb it but fast to melt when in
contact with FPD
B、ice absorbs it very fast but is slow to melt when in contact with it
C、ice is slow to absorb it, and to melt when in contact with it.
单选题 Where are jetstreams normally located?
A、In areas of strong low pressure systems in the stratosphere.
B、At the tropopause where intensified temperature gradients are located.
C、In a single continuous band, encircling the Earth, where there is a break between the equatorial and polar tropopause.
单选题 What is the single source reference that contains information regarding volcanic eruption, turbulence, and icing conditions for a specific region?
A、Weather Depiction Chart.
B、In-Flight Weather Advisories.
C、Area Forecast.
单选题 If a SIGMET alert is announced, how can information contained in the SIGMET be obtained?
A、ATC will announce the hazard and advise when information will be
provided in the FSS broadcast
B、By contacting a weather watch station.
C、By contacting the nearest AFSS.
单选题 On the constant pressure analysis chart, aircraft and satellite observations are used in the analysis over areas of sparse data. An aircraft observation is plotted using
A、a station circle at the aircraft location.
B、a square at the aircraft location.
C、a star at the aircraft location.