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【单选题】

The main function of the lubrication system in to enable （） of a film of oil between the moving parts.

A、the information

B、the formation

C、the scatter

D、the friction

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更多“The main function of the lubrication system in to enable （） of a film of oil between the moving parts.”相关的问题
第1题
[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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第2题
[单选题] Adjust （） by means of lead wire.

A、the clearance of the main bearing  B、the diameter of main bearing  C、the gap of main beating  D、the tolerance of main bearing  

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第3题
[单选题] Measure （） by means of lead wire.

A、the clearance of the main bearing  B、the diameter of main bearing  C、the hardness of main bearing  D、the tolerance of main bearing  

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第4题
[单选题] When a ship is entering to shallow water, ship resistance will be increased and the speed of main engine reduced.Due to the function of the governor, the main engine will（）

A、reduce fuel feeding  B、increase fuel feeding  C、keep original fuel feeding  D、be overspeed  

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第5题
[单选题] In ship operations，hoisting and lowering pipe in and out of the drilled hole is the main function of the（）.

A、swivel  B、cathead spool  C、drawworks  D、stand pipe  

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第6题
[单选题] The main function of the core of a wire rope is to（）.

A、give flexibility  B、support the strands laid around it  C、allow some circulation around the strands  D、allow lubrication inside the rope  

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第7题
[单选题] Measure （） by means of lead wire.

A、the clearance of the main bearing  B、the play of the miler bearing  C、the gap of the main bearing  D、the tolerance of the main bearing  

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第8题
[单选题] The function of the bilge keel is to（）.

A、reduce the rolling of the vessel  B、serve as the vessel's main strength member  C、add strength to the bilge  D、protect the vessel's hull when alongside a dock  

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第9题
[单选题] 船舶的主体是船壳。（）

A、The main body of a vessel is the hull.  B、The main body of a vessel is the superstructure.  C、The main body of a vessel is the engine room.  D、The main body of a vessel is the poop.  

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