网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
If a diesel engine driving a generator turns over freely but fails to fire properly, the cause could be （）
A
excessive compression pressure
B
air in the fuel lines
C
high fuel pressure
D
excessive load
参考答案
参考解析
解析：
暂无解析
更多 “单选题If a diesel engine driving a generator turns over freely but fails to fire properly, the cause could be （）A excessive compression pressureB air in the fuel linesC high fuel pressureD excessive load” 相关考题
考题
单选题Low compressor head pressure in a refrigeration system can be caused by（）.A
insufficient condenser cooling waterB
excessive condenser cooling waterC
air in the refrigeration systemD
excessive refrigerant in the system
考题
单选题烟管锅炉冷炉点火前应上水至水位计（）。A
最高工作水位，以免过快要求补水B
最高工作水位，以备锅水有漏泄损失C
最高工作水位，以备升汽后数次将底部低温锅水放掉D
最低工作水位，以免锅水受热膨胀
考题
单选题The Certificate of pratique shall only have effect in （）.A
all ports of the issuing countryB
all ports of the worldC
all ports other than a issuing countryD
all ports of ship's arriva
考题
单选题Steering gears can be arranged with hydraulic control equipment known as a （）, or with electrical control equipment.A
telemeterB
telemanometerC
telemotorD
telemometer
考题
单选题Your vessel has anchored in a channel known to have strong tidal currents. To check your position you take a round of bearings，one of which is a range in line. One hour later the bearing on the lights in range opens up. This indicates the ship is（）.A
swingingB
dredging her anchorC
taking bearings of the lightsD
taking distances of the lights
考题
单选题Cumulus clouds that have undergone vertical development and have become cumulonimbus in form，indicate（）.A
clearing weatherB
that a warm front has passedC
probable thunderstorm activityD
an approaching hurricane or typhoon
考题
单选题Which statement concerning the collection of fresh water is FALSE?（）A
Fresh water may be obtained from fishB
lifeboat covers or canopies should be washed with rain before drinking water is collectedC
Fresh water may be collected from condensation inside the life-raftD
Freshwater cannot be produced from standing seawater
考题
单选题轮机长对轮机人员实施的管理手段是（）。 a．通过行政命令直接对轮机人员发生影响； b．依靠轮机长的地位对轮机人员实施技术管理； c．在实施行政管理和技术管理的同时还须辅之经济手段。A
a+cB
a+bC
a+b+cD
仅c正确
考题
单选题After a cold front passes，the barometric pressure（）.A
drops，and the temperature dropsB
drops，and the temperature risesC
rises，and the temperature dropsD
rises，and the temperature rises
考题
单选题在下列哪些恶劣气候条件下，船上不宜布置高处作业（）。 Ⅰ、遇强风； Ⅱ、遇暴雨； Ⅲ、遇大雪； Ⅳ、遇涌浪。A
Ⅰ＋Ⅱ＋ⅢB
Ⅰ＋Ⅱ＋ⅣC
Ⅱ＋Ⅲ＋ⅣD
以上全部
热门标签
最新试卷