更多"[单选题] How is an uncoded racon displ"的相关试题:
[单选题] What is a coded racon?
A. A racon which automatically activate itself
B. A racon only work at night
C. A racon which display a morse code on the radar screen
D. A future racon expected to be operational after Y2000
[单选题] What does a Racon help with?
A.Measuring the distance
B.Measuring the relative speed
C.Identifing a vessel
D.Identifing a seamark
[单选题] What type of radar can activate a racon?
A. X-band radar
B. S-band radar
C. C-band radar
D. No radar can
[单选题] As for racon, which one is incorrect in the following?
A.Racon is a radar transponder.
B.Racon is often installed on major waypoints.
C.When activated by a radar signal, the Racon sends it back with an identifier
D.Racon can be used to take place of radar
[单选题]PPI与DPI的区别是（）
A.A:前者表示打印机的打印分辨率；后者表示每英寸所拥有的像素数目。
B.B:前者数值越小，图像越清晰；后者值越大，打印精度越高。
C.C:两者是一样的。
D.D:前者表示图像每英寸所拥有的像素数目；后者每英寸打印的点数或线数。
[单选题] PPI is ______．
A.a plan-position indicator system
B.pulse-plan integration
C.pulse-pulse input
D.power-plan input
[单选题]ECAM信息通常在（ ）显示
ECAM usually displayed information in ( )
A.
PFD and ND
PFD和ND
B.
EWD and SD
EWD和SD
C.
PFD and SD
PFD和SD
[单选题]EFIS信息通常在（ ）显示
EFIS usually displayed information in ( )
A.PFD和ND
PFD and ND
B. EWD和SD
EWD and SD
C.PFD和SD
PFD and SD
[单选题] Day-shapes must be displayed ______.
A. Between sunset and sunrise
B. Only between 8 AM and 4 PM
C. During daylight hours in any visibility
D. During daylight hours in unrestricted visibility only
[单选题]MAP PARTLY DISPLAYED'在______情况下显示
A.DMC不能描绘完整的地图
B.FMGC及DMC数据传输故障
C.FMGC一部故障
D.ND显示屏故障时
[单选题] Instructions on how to conduct search and rescue are given in the ______ which is primarily designed for use by merchant ship．
A.MARPOL
B.IRPCS
C.SOLAS
D.MERSAR
[单选题] How can a SART's effective range be maximized ________．
A.The SART should be placed in water immediately upon activation
B.The SART should be held as high as possible
C.Switch the SART into the“high”power position
D.If possible，the SART should be mounted horizontally so that its signal matches that of the searching radar signal
[单选题]How long does Cockpit voice recorder recording ?驾驶舱话音记录器的记录时间（ ）
A.30 minutes only .只能记录30分钟
B.CVR basically allows 30 minutes of recording, and 2 hours with
MEMORY EXTENSION(+90 minutes).正常记录30分钟，可扩展90分钟（共2小时）
C.CVR basically allows 30 minutes of recording, and can be extended 2 hours(+120 minutes).正常记录30分钟，可扩展2小时
[单选题] Without careful scientific research, how can they _( )_ that there is no life on that planet (星球)?
A. draw
B. include
C. result
D. conclude
[单选题] How to reduce beam width distortion?
A. Adjust centre position
B. Adjust brilliance
C. Adjust heading marker
D. Reduce gain
[单选题] How to avoid vapour emission during filling of departure ballast (non SBT vessel)?
A. By simultaneous ballasting and cargo discharge
B. By reducing the IG pressure
C. By minimizing the amount of departure ballast
D. By closing all the openings
[单选题]How to manual erasure recording of cockpit voice recorder?话音记录器的抹音（ ）
A.It is used for manual erasure of recording,on ground only with engines stopped and parking breake "ON"仅在地面发动机停车和停留刹车“ON”时人工抹除
B.In flight or on ground,"ERASE" pushbutton switch must be pressed for at least two seconds.空中或地面，压下控制板上的抹音钮2秒以上
C.On ground and the CVR has to be energized.只要在地面，且CVR在通电状态
