90道FAA真题.doc20页

1． a SIGMET alert is announced, how can information contained in If 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. C 2. 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. B 3. 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. C 4. What information is provided by a Convective Outlook (AC)? A．It describes areas of probable severe icing and severe or extreme turbulence during the next 24 hours. B．It provides prospects of both general and severe thunderstorm activity during the following 24 hours. C．It indicates areas of probable convective turbulence and the extent of instability in the upper atmosphere (above 500 mb). B 5．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


飞行翻译公司 www.aviation.cn
本文链接地址：90道FAA真题.doc