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【单选题】

The most common type of davit found on merchant vessels today is the（）.

A、radial

B、sheath-screw

C、gravity

D、quadrantal

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第1题
[单选题] The type of gauge most commonly used to measure pressure is the （）.

A、bimetallic type  B、diaphragm type  C、bourdon tube type  D、resistance-temperature type  

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第2题
[单选题] Hydraulic pumps most commonly used in steering systems are of the （）.

A、lobe type  B、screw type  C、axial piston type  D、volute type  

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第3题
[] The container ship is the （）type of dry cargo carrier.

A、A. important  B、B. most modern  C、C. most common  D、D. traditional  

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第4题
[单选题] The most common type of AC service generator found aboard ship is the stationary （）.

A、electromagnetic field, revolving armature type  B、electromagnetic field, oscillatory armature type  C、armature, oscillatory electromagnet field type  D、armature, rotating electromagnetic field type  

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第5题
[单选题] （） the engines, the diesel engine is（） used engine on board.

A、Between；more commonly  B、Among；the most commonly  C、Between；not more commonly  D、Among；not the most commonly  

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第6题
[单选题] The most common type of containment device for spilled oil on the water is the use of （）.

A、straw  B、booms  C、skimmers  D、chemical dispersants  

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第7题
[] Which of the following memory types is MOST commonly found in Pentium 4 class and newerdesktop PCs?（）

A、A.SIMM  B、B.RAMBUS  C、C.SODIMM  D、D.DIMM  

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第8题
[] On tank vessels equipped with power operated cargo tank valves, the type of power operator most commonly used is （）.

A、A.hydraulic  B、B.electric  C、C.steam  D、D.diesel  

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第9题
[单选题] What is the most important difference between the bow type anchor shackle and the D-type anchor shackle? （）

A、The bow type shackle provides a superior connection  B、The D-type shackle is weaker than the bow type  C、The bow type shackle is weaker than the D-type  D、The D-type shackle provides an inferior connection  

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