更多"[单选题] Does current and drift effect"的相关试题:
[单选题] How does current and drift effect the relative motion, relative vector presentation?
A. No effect
B. Producing small errors in calculated aspect
C. Producing large errors in calculated aspect
D. Produce errors in calculated CAP/TCPA
[单选题]（ ）按对遇局面采取避让行动后,两船间的DCPA和TCPA将如何变化?
A.会遇时间提前,会遇距离增加；
B.会遇时间提前,会遇距离减小；
C.会遇时间推迟,会遇距离增加；
D.会遇时间推迟,会遇距离减小。
[单选题] Although manual plotting for CPA works well，the workload can become overwhelming when confronted with ______．
A.one target
B.two targets
C.three targets
D.a large number of targets
[单选题] The closest point of approach（CPA）of a contact on a relative motion radar may be determined ______．
A.Immediately when the contact is noted on radar
B.Only if the radar scope is watched constantly
C.After the contact has been marked at least twice
D.By an occasional glance at the radar
[判断题]CPM对广告主有利，CPA对广告主不利。（ ）
A.正确
B.错误
[单选题] What does OBO mean?
A. Oil Bulk Oil
B. Ore Bulk Oil
C. Only Bulk Ore
D. Only Basic Oil
[简答题]活动通告 (TA) 到达会遇点（CPA）的预计时间为多少？
[简答题]措施通告（RA） 到达会遇点（CPA）的预计时间为多少？
[单选题] What does ECDIS stand for?
A.Electrical Chart Display and Indication System
B.Electronic Chart Display and Information System
C.Electric Chart Display and Informing System
D.Electronic Chart Display and Indicating System
[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] A Danforth lightweight anchor does NOT hold well in which type of bottom ________．
A.Mud
B.Grass
C.Sand
D.Clay
[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] Why does distance always have to be measured from the nearest scale on a Mercator chart?
A. Because it is the most efficient way
B. Because it varies with the change of latitude
C. Because it varies with the change of longitude
D. Because it is the most straight line
[单选题] A pilot chart does NOT contain information about ______.
A. average wind conditions
B. tidal currents
C. magnetic variation
D. average limits of field ice
[单选题] Which one of the following factors does not reduce the effect of free surface?
A. Minimum number of daily service tanks in use
B. Where possible, tanks either full or empty
C. GZmax at minimum 25°
D. Bilges pumped out
[单选题] How does combustion air enter the cylinder of a two-cycle diesel engine ? Through _______．
A.Cylinder head valves
B.Ports
C.Turbo chargers
D.Bleeder valves
[单选题] What does not contribute to the commercial GPS receiver position error ________．
A.Satellite clock
B.Ship's speed
C.Atmospheric/ionospheric propagation
D.Receiver
[单选题] What does the abbreviation VHF stand for？
A. Vessel's Hoisting Flag
B. Very High Safety
C.Vessel's Homing Frequency
D. Very High Frequency
[单选题] What does the term TO NAVIGATE WITH CAUTION mean?
A. To navigate intentionally
B. To navigate intensely
C. To navigate carefully
D. To navigate completely
