【名词&注释】
环氧树脂(epoxy resin)、螺旋桨直径(diameter of a propeller)、故障率曲线(failure rate curve)
[单选题]舵杆纵向裂纹应采用()修理。
A. 修刮
B. 焊补
C. 粘接
D. 更换
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学习资料:
[单选题]故障率曲线分为三个阶段,不能列为三个阶段之中的是()。
A. 早期故障期
B. 平均故障期
C. 偶然故障期
D. 耗损故障期
[单选题]当小型船舶的螺旋桨直径D()m时,螺旋桨和艉轴允许采用无键环氧树脂连接。
A. <1.5
B. >1.5
C. <4.5
D. >4.5
[单选题]At the top of the A-frames there is a strong cast iron frame called ().
A. cylinder liner
B. cylinder cover
C. the gear box
D. the scavenging box
[单选题]The engine is reversed by axial displacement of the camshafts In order for this to be carried out, the cams are () with inclined transition faces.
A. lathed
B. shaped
C. shrunk
D. developed
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