更多"[单选题] What is it called when it is "的相关试题:
[单选题] A tide is called diurnal when
A. only one high and one low water occur during a lunar day
B. the high tide is higher and the low tide is lower than usual
C. the high tide and low tide are exactly six hours apart
D. two high tides occur during a lunar day
[单选题] A tide is called diural when ______.
A. only one high and one low water occur during a lunar day.
B. the high tide is higher and the low tide is lower than usual
C. the high tide and low tide are exactly six hours apart
D. two high tides occur during a lunar day
[单选题] What often happens when using echo-sounder at river estuary where a layer of fresh water lies on the top of denser salt water?
A.A scattering layer appears.
B.Echo sounder stops working.
C.shallow water appears.
D.Nothing abnormal happens.
[单选题] What is important to check when transferring a position from GPS to a chart?
A. Reading the position correctly
B. Plotting the position correctly
C. Make sure that the chart and the GPS use same datum
D. Make sure the map is updated
[单选题] What is most important when using expanded square search?
A. Accurate navigation
B. Constant speed
C. Fixed ROT
D. Fixed turn radius
[单选题] What should you avoid when receiving work order?
A. Having other people help you with your work
B. Swearing
C. Wasting time on having procedures explained
D. Misunderstandings
[单选题] What is important to remember when using AIS for collision avoidance?
A. AIS may not give a complete picture of the traffic situation
B. AIS is more accurate than ARPA
C. AIS is not as accurate as ARPA
D. AIS is not allowed to be used for collision avoidance
[单选题] What should you do when you hear the emergency alarm?
A. To proceed to the muster station
B. To inform the master.
C. To assign duty to your officers.
D. To stand by equipment required.
[单选题]加油油滤堵塞时，会发生什么
what will happen when the filling filter blockage？ （ ）
A.液压油箱不再流动，加油不可能Hydraulic tank no longer flow, the filling is not possible
B.液压旁通过滤器Hydraulic bypass filter
C.增大加油压力Increasing the filling pressure
[单选题] When navigating using GPS，what is an indicator of the geometry of the satellites that your receiver is locked onto ________.
A. Horizontal Dilution of Precision
B. Selective Availability
C. Doppler Shifting
D. Precision Coding
[单选题] What is the meaning of the word “ROGER” when used in radio communication?
A. Please repeat your message
B. Not readable
C. Correct
D. I have received your transmission satisfactory
[单选题] When H2S is burned（flared）on a ship，what can you expect to occur ________．
A.All of the H2S will be converted to SO2
B.All of the H2S will be converted to hydrogen and free sulfur
C.Only 80% of the H2S will be converted to SO2 or free sulfur
D.The H2S not converted will not be dangerous
[单选题]在大雨或颠簸时最好将发动机方式选择开关放到IGN-START位以提供连续点火，在结冰条件下，机组应该怎么
做？
A.机组应将发动机方式选择开关放到IGN-START位。
B.不需做什么，当使用发动机防冰时，自动提供连续点火
C.除了起飞和着陆，其他所有阶段都需人工选择IGN -
START位
D.不需做什么，启动后自动连续点火
[单选题] A line connecting all possible positions of your vessel at any given time is a ______.
A. longitude line
B. latitude line
C. line of position
D. fix
[单选题]当机轮温度过高时有什么警告？（ ）
When the wheel when the temperature is too high to have what warning?
A.ECAM，主警戒，声音，灯光
ECAM, the main warning, sound, lights
B.ECAM，主警戒，声音
ECAM, the main warning, sound
C.主警戒，声音，灯光
the main warning, sound, lights
[单选题] LIFTING THE ANCHOR FROM THE BOTTOM is called ______.
A. broaching the anchor
B. shifting the anchor
C. walking the anchor
D. weighing the anchor
