【名词&注释】
动力装置(power plant)、气缸套(cylinder liner)、十字头(crosshead)、安全操作规程、不符合(inconformity)、耗油率、耗油量(oil consumption)、螺旋桨推力(propeller thrust)、固定物(fixture)
[单选题]某船主机有效功率为10000kW,螺旋桨收到功率为98O0kw,螺旋桨推力(propeller thrust)功率为600OkW,发电机使用功率为600kW,主机耗油率为170g/kW•h,发电机耗油率为195g/kw•h,锅炉耗油量(oil consumption)为1.2t/d,则动力装置耗油率为()g/kW•h。
A. 0.1867
B. 0.1905
C. 0.3112
D. 0.1700
查看答案&解析
查看所有试题
学习资料:
[单选题]拆装螺母时,不符合安全操作规程的是()。
A. 一手抓住固定物(fixture)
B. 另一手力用推
C. 少用套筒或梅花扳手
D. 根据需要增加扳手延长套管的长度
[单选题]下列()情况下,必须对活塞运动部件进行校中。
A. 底角螺栓重新拧紧后
B. 主机发生曲轴主轴瓦抱轴事故
C. 更换气缸套、导板、十字头
D. 换新主轴承轴瓦
[单选题]对短轴系轴线校中理解错误的是()。
A. 刚惟好
B. 挠度小
C. 对轴系偏差敏感
D. 对轴系偏差不敏感
[单选题]() is usually driven by the engine camshaft and supplies pilot air to the cylinder air start valve.
A. An air receiver
B. An operating valve
C. An automatic valve
D. An air distributor
[单选题]Diesel engines are started by supplying () into the cylinders in the appropriate sequence for the required direction.
A. cooling water
B. compressing air
C. compressed air
D. cylinder oil
[单选题]Which of the following statements concerning fire-tube boilers is correct?()
A. Combustion gases flow through the tubes
B. Flames impinge on the tubes
C. Combustion occurs in the tubes
D. Water flows through the tube
[单选题]A viscous damper, as used on a marine diesel, is a sealed precision built device which dampens the torsional vibrations in the ().
A. camshaft
B. flywheel
C. crankshaft
D. thrust shaft
本文链接:https://www.51bdks.net/show/e5ygwx.html