
【名词&注释】
修正案(amendment)、固定式(fixed)、救生艇(boat)、惰性气体(inert gas)
[单选题]The division of kilowatt load between two paralleled alternators is determined by the
A. amount of field excitation of the leading machine
B. load-speed characteristics of the governors
C. amount of field excitation to the lagging machine
D. type of alternator
查看答案&解析
举一反三:
[单选题]STCW 78/95 Convention shall apply to seafarers _____ on board seagoing ships entitled to fly the flag of a Party.
A. served
B. serving
C. surveyed
D. surveying
[单选题]互见中,从事捕鱼的船舶在航时,应尽可能给下列哪种船舶让路?I、失去控制的船舶;II、限于吃水的船舶;III、操纵能力受到限制的船舶;IV、从事一般拖带的船船
A. III
B. I、III
C. I、III、IV
D. I、II、III
[单选题]For a continuous operation diesel engine, a duplex filter unit would be the best arrangement because
A. changing filter elements would not interrupt engine operation
B. filtering occurs twice in each pass of oil through the system
C. clogging will not occur
D. dropping pressure is half of that through a single filter unit
[单选题]半圆方向60°SW换算成圆周方向为:()
A. 60°
B. 120°
C. 060°
D. 240°
[单选题]深Ⅱ度或Ⅲ度烧伤创面包扎后应几天更换敷料( )
A. 10~14天
B. 每天
C. 3~4天
D. 7~8天
[单选题]柴油机内作功的工质是()
A. 空气
B. 燃油
C. 氧气
D. 燃气
[单选题]83年修正案规定:凡机动救生艇的静水中航速每小时不小于:
A. 6海里
B. 4海里
C. 2海里
D. 8海里
[单选题]装设有惰性气体(inert gas)的油船,固定式甲板泡沫灭火系统至少应能产生( )泡沫。
A. 10min
B. 20min
C. 30min
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