某船在航行速度为16kn时的运动阻力为12O0kN，其船舶有效功率为（

【名词&注释】

使用寿命(service life)、准备工作(preparation work)、第一阶段(first stage)

[单选题]某船在航行速度为16kn时的运动阻力为12O0kN，其船舶有效功率为（）kW。

A. 1200
B. 9869
C. 16000
D. 19200

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学习资料：

[单选题]吊缸时，第一阶段的工作是（）。

A. 拆前检测
B. 拆卸与清洗
C. 检测与修理
D. 安装与调试

[单选题]赛龙艉轴承材料的性能优于铁梨木、尼龙和层压胶木，使用寿命约为其他艉轴承材料的（）倍。

A. 2
B. 4
C. 5
D. 10

[单选题]滑油系统的备车准备工作应检查（）。Ⅰ.循环油柜油位；Ⅱ.轴承油位；Ⅲ.储油柜油位；Ⅳ.分油机

A. Ⅰ+Ⅱ
B. Ⅰ+Ⅲ
C. Ⅰ+Ⅳ
D. Ⅰ+Ⅱ+Ⅲ

[单选题]Once a fire is detected the engine should be slowed downOn no account （）.

A. the trunking should be opened up
B. should the trunking be opened up
C. the trunking should not be opened up
D. should the trunking not be opened u

[单选题]The total starting air capacity required for reversible main engines is to be sufficient for at least （）.

A. six consecutive starts
B. eight consecutive starts
C. ten consecutive starts
D. twelve consecutive start

[单选题]The main function of tie rods in the construction of large, low speed diesel engines is to（）.

A. stiffen the bedplate in way of the main bearings to increase the engines longitudinal strength
B. accept most of the tensile loading that results from the firing forces developed during operation
C. mount the engine frame securely to the hull to prevent shaft coupling misalignment
D. connect the crosshead solidly to the piston rod

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