正确答案: C
一般不可焊补
题目:螺旋桨0.4R以内的缺陷()修理。
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学习资料的答案和解析:
[单选题]主机起动用的空气瓶至少应有2个,在进行起动次数试验时,应()。
开启1个空气瓶,不可补充空气
[单选题]吊缸时,最后阶段的工作是()。
安装与调试
[单选题]拆卸机器时不必()。
对拆下的零件进行磁粉探伤
[单选题]轴系两端轴产生同轴度偏差可采用()进行检测。
平轴法或平轴计算法
[单选题]按舵与船体的连接方式分为()。Ⅰ.悬挂舵或半悬挂舵;Ⅱ.穿心舵轴平衡舵;Ⅲ.半平衡舵;Ⅳ.单支承舵,Ⅴ.双支承舵。
Ⅰ+Ⅱ+Ⅴ
[单选题]Engine fuel pump index is ().
the reading at the rack
[单选题]The four-stroke engine is used for () and sometimes for main propulsion with a gearbox to provide a propeller speed of between 90 to 120 rev/min.
alternator
[单选题]The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as ().
brake horsepower
[单选题]A VLCC (100,000 DWT+) with a 30,000 Shaft Horsepower Steam Turbine is slow to respond to engine movements and has less stopping power than normal ships because it has a().
smaller power weight ratio