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单选题
疲劳容易发生事故，为避免航行时的疲劳，下列做法正确的是：（） ①关闭驾驶台门窗，减轻噪音和环境因素影响； ②接班前保证充分的休息； ③坐着值班，避免过多的体力消耗； ④使用自动舵避碰，避免体力消耗。
A
①②
B
③
C
①②④
D
②
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更多 “单选题疲劳容易发生事故，为避免航行时的疲劳，下列做法正确的是：（） ①关闭驾驶台门窗，减轻噪音和环境因素影响； ②接班前保证充分的休息； ③坐着值班，避免过多的体力消耗； ④使用自动舵避碰，避免体力消耗。A ①②B ③C ①②④D ②” 相关考题
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单选题增压二冲程柴油机当增压器损坏无法使用而使用辅助或应急鼓风机时，其运转功率与转速的降低程度主要应考虑的因素是（）。Ⅰ.排气温度；Ⅱ.柴油机振动；Ⅲ.排气颜色；Ⅳ.柴油机运转状态A
Ⅰ＋Ⅱ＋ⅢB
Ⅰ＋Ⅲ＋ⅣC
Ⅱ＋Ⅲ＋ⅣD
Ⅰ＋Ⅱ＋Ⅳ
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单选题关于液压装置的以下说法错误的是（）。A
油温高于80℃会使橡胶密封圈寿命缩短B
测量柱塞式泵或马达壳体的漏泄油量即可算出其容积效率C
检查执行元件的速度可判断装置的容积效率D
密封元件必须定期更换
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单选题If any cargo is damaged，the insurance company usually pays to the cargo owner a sum of money equal to the value of（）.A
the cargoB
the cargo damagedC
the cargo minus the franchiseD
the cargo damaged minus the franchise
考题
单选题What is the stability term for the distance from the center of gravity (G) to the Metacenter (M)，when small-angle stability applies? （）A
metacentric heightB
metacentric radiusC
height of the metacenterD
righting arm
考题
单选题When a fuel injection nozzle overheats, which of the problems listed can be expected?（）A
The fuel metering will varyB
The fuel will explodeC
The cylinder head will crackD
The engine will stop
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单选题在船舶条件下轮机员对缺陷零件可进行一般检验的方法有（）。 1观察法， 2敲击法， 3听响法， 4试验法， 5磁粉探伤， 6测量法。A
1+3+5B
1+3+4C
3+4+6D
1+2+3+4+5+6
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单选题Water allowed to accumulate in the hydraulic system oil will cause an oxidation process producing by- products which are normally （）.A
gums, acids, and varnishesB
removed by cellulose type filtersC
neutralized by oil additivesD
not removed by absorbent filters
考题
单选题C／P means：Charter--Party that is made between（）.A
the Charterer and the PartyB
the Charterer and the ShipownerC
the Charterer and the CargoownerD
the Charterer and the Shipper
考题
单选题（）is not a condition for a ship of 400 tons gross tonnage and above other than an oil tanker to discharge certain amount of oil or oily mixtures into the sea.A
the ship is not within a special areaB
the ship is more than 12 nautical miles from the nearest landC
the ship is proceeding en routeD
the instantaneous rate of discharge of oil content does not exceed 60 liters per nautical mile
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单选题You receive a call from the MSA OF CHINA addressed to all stations. The call begins with the words Pan-Pan (3 times). Which type of emergency signal would this be?（）.A
Safety signalB
Urgency signalC
Distress signalD
Red alert signal
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单选题夜间，船舶由海上驶近美洲某海港，看见一红色闪光灯浮，则表明（）。A
该标为左侧标，将其置于本船左舷B
该标为左侧标，将其置于本船右舷C
该标为右侧标，将其置于本船左舷D
该标为右侧标，将其置于本船右舷
考题
单选题The two points that act together to trim a ship are the（）.A
LCF and LCBB
LCG and LCBC
metacenter and LCGD
VCG and LCG
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