今测得某船轴系的某对法兰偏中值为δ＝0、φ≠0，该相邻轴轴心线呈

【名词&注释】

工作能力(work ability)、不低于(no less than)

[单选题]今测得某船轴系的某对法兰偏中值为δ＝0、φ≠0，该相邻轴轴心线呈（）状态。

A. 同轴
B. 平行
C. 相交
D. 任意

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[单选题]某产品在1万h内工作的可靠度R（t）=0.95，说明该产品（）。Ⅰ.5%的产品可保持不低于1万h的工作能力；Ⅱ.95%的产品可保持不低于1万h的工作能力

A. 仅Ⅰ对
B. 仅Ⅱ对
C. Ⅰ或Ⅱ对
D. Ⅰ，Ⅱ都不对

[单选题]相邻轴轴心线相交，但相邻轴两法兰中心对准，其连接法兰处偏中值为（）。

A. δ＝0、φ＝0
B. δ＝0、φ≠0
C. δ≠0、φ＝0
D. δ≠0、φ≠0

[单选题]备车时间的长短，各类船舶有所不同，一般在（）h。

A. 0.5—6
B. 1—2
C. 2—3
D. 1—5

[单选题]A distance piece, with ground faces, known as a compression plate, may be interposed between the rod and the beating housing, its thickness being chosen to ensure the correct （）.

A. compression pressure
B. compression test
C. compression ratio
D. compression clearance

[单选题]After the engine is warned, we should（） the turning gear before starting up the engine.

A. take in
B. put in
C. take out
D. put u

[单选题]The （） is not properly set thus causing either advanced or retarded firing.

A. piston
B. fuel injection pump
C. crankshaft
D. oil ca

[单选题]The selection of an oil depends （） on the operating conditions, the design of the engine and the type of fuel to be burned.

A. to a great extent
B. on a great extent
C. on mainly
D. on only

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