正确答案: A
换新轴承
题目:消除增压器振动的方法首先应是()。
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学习资料的答案和解析:
[单选题]下述关于机舱饱和度ks和kv的说明,哪一项是错误的()。
ks和kv小时,机舱的通风、散热差,管理维修不方便
[单选题]要充分利用排气余热而降低废气锅炉出口温度t2,同时还应保证锅炉受热面必需的温度,该温差是()。Ⅰ.排气与给水的温度t2-tw;Ⅱ.排气与蒸汽的温度t2一ts
Ⅰ+Ⅱ
[单选题]当曲柄的Δ-=(+)值时,该曲柄的两个主轴承位置偏(),曲轴轴线呈()状态。
右/“)”
[单选题]舵系中心线与轴系中心线应相交,其位置度偏差不得超过()m(L为船长,m)。
0.001L1/3
[单选题]Which of the following statements is true concerning an oil cooler?()
The oil pressure is greater than the cooling water pressure
[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 ().
crankshaft
[单选题]When reassembling the bowl of a disk-type centrifuge, the bowl or locking ring is rotated ().
counterclockwise, due to the bowl rotating clockwise