【名词&注释】
螺旋桨(propeller)、空压机(air compressor)、相互配合(interwork)
[单选题]螺旋桨0.4R以内的缺陷()修理。
A. 可焊补
B. 不可焊补
C. 一般不可焊补
D. 可采用喷焊
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学习资料:
[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()。
A. 开启1个空气瓶,并起动空压机补气
B. 开启2个空气瓶,并起动空压机补气
C. 开启1个空气瓶,不可补充空气
D. 开启1个空气瓶,可补充空气
[单选题]吊缸时,最后阶段的工作是()。
A. 拆卸与清洗
B. 检测与修理
C. 安装与调试
D. 验收学习
[单选题]拆卸机器时不必()。
A. 拆不开的零部件不得强拆
B. 对拆下的零件进行磁粉探伤
C. 相互配合的零件应做好标记
D. 拆开的孔口应遮盖封堵,避免损伤或进入异物
[单选题]轴系两端轴产生同轴度偏差可采用()进行检测。
A. 指针法
B. 直尺-塞尺法
C. 平轴法
D. 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。
A. Ⅰ+Ⅱ
B. Ⅰ+Ⅱ+Ⅴ
C. Ⅲ+Ⅳ+Ⅴ
D. Ⅰ+Ⅲ+Ⅳ
[单选题]Engine fuel pump index is ().
A. the viscosity index
B. the fuel oil contents
C. the starting speed
D. 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.
A. alternator
B. turbo-charger
C. remote controller
D. windla
[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 ().
A. indicated horsepower
B. brake horsepower
C. net horsepower
D. friction 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().
A. bigger propeller
B. smaller power weight ratio
C. smaller propeller
D. larger power weight ratio
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