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单选题
What is a GMDSS functional or carriage requirement for compulsory vessels?（）
A
A compulsory vessel must carry at least two (2) licensed GMDSS operators
B
A compulsory vessel must satisfy certain equipment carriage requirements that are determined by where the vessel sails
C
A compulsory vessel must be able to transmit and respond to distress alerts
D
All of the above
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更多 “单选题What is a GMDSS functional or carriage requirement for compulsory vessels?（）A A compulsory vessel must carry at least two (2) licensed GMDSS operatorsB A compulsory vessel must satisfy certain equipment carriage requirements that are determined by where the vessel sailsC A compulsory vessel must be able to transmit and respond to distress alertsD All of the above” 相关考题
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单选题A double suction centrifugal pump impeller has been installed in the reverse direction, and will （）.A
have a greater head capacityB
operate with increased impeller efficiencyC
discharge through the suction side of the pump casingD
require more power to run the shaft
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单选题When bilge water is heated in a holding tank, which one of the following statements is not accurate?（）A
The high temperature facilitates primary gravity separationB
Most of the oil and organic solvents are raised to the top layerC
The high the temperature is, the more the top oil will be collectedD
The high temperature has little use on the separation of emulsified oil
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known, developing, moveB
known, developed, moveC
known, develop, movingD
known, develop, move
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单选题A 95-meter vessel aground sounds which fog signal? （）A
A rapid ringing of a bell for 5 seconds every two minutesB
A whistle signal of one short，one prolonged，and one short blastC
A prolonged blast of the whistle at intervals not to exceed one minuteD
A rapid ringing of a bell for 5 seconds，preceded and followed by three separate and distinct strokes on the bell
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系统稳定性好B
系统稳定性差C
过渡过程时间短D
调节器控制作用强
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交接电气设备备件、备品和常用工具清册，如有必要可当面点清D
在外检修的电气设备单据则不必要交接
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Exhaust temperaturesB
Raw water pressureC
Lube oil pressureD
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Ⅰ～ⅣB
Ⅱ～ⅣC
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Ⅱ、Ⅲ
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cold conditionB
stillness conditionC
certain air pressureD
the surveyors supervision
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from the still water plane to the crestB
from the still water plane to the troughC
from crest to troughD
between water levels at one-quarter of the wave's length
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①、③C
②、③D
①、②、③
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fire drillC
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the circuit breakerB
for leaks in the suction pipingC
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the suction strainer
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单选题应遵守我国《海上交通安全法》的外国籍船舶包括（）。 Ⅰ．获准进入我国领海的外国籍军用船舶； Ⅱ．获准进入我国避风锚地避台的外国籍非军用船舶； Ⅲ．获准进入我国领海搜救遇难人员的外国籍船舶； Ⅳ．在我国领海水域内航行的外国籍非军用船舶。A
Ⅰ～ⅢB
Ⅰ～ⅣC
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Ⅱ～Ⅳ
考题
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10 hours in any 24-hour periodB
72 hours in any seven-day periodC
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88 hours in any seven-day period
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主机的单位重量是指船舶单位有效功率的重量B
装置的相对重量是指动力装置总重量与船舶满载排水量的比值C
机舱的面积饱和度是指每平方米机舱面积所分配动力装置重量D
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Re相等B
Fr相等C
Re和Fr相等D
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