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【单选题】

The outside diameter of the pipe is （） the diameter of the bore of the piston rod, the result being that an annular space formed between the piston rod and the pipe.

A、less than

B、greater than

C、equal to

D、twice larger than

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更多“The outside diameter of the pipe is （） the diameter of the bore of the piston rod, the result being that an annular space formed between the piston rod and the pipe.”相关的问题
第1题
[单选题] The outside diameter of the pipe is （） the diameter of the bore of the piston rod, the result being that an annular space formed between the piston rod and the pipe.

A、less than  B、greater than  C、equal to  D、twice larger than  

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第2题
[单选题] Vertically below the deckline is a circle whose outside diameter is 300mm.It is called the（）.

A、the deck line  B、Plimsoll disc  C、Plimsoll line  D、summer load line  

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第3题
[] An oceangoing ship of 400 gross tons and above must be fitted with a standard discharge shore connectionWhat is the size of the bolt circle diameter of the shore connection required to transfer oily ballast to a shore side reception facility?（）

A、A.125 mm  B、B.183 mm  C、C.215 mm  D、D.It depends on outside pipe diameter  

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第4题
[] The discharge head of a centrifugal pump will vary directly with the （）.

A、A.change in impeller diameter  B、B.square of the impeller diameter  C、C.cube of the impeller diameter  D、D.impeller efficiency for large changes in the size of the impeller  

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第5题
[单选题] The cheek length of a block in inches should be about（）.

A、three times the circumference of a manila line  B、five times the diameter of a manila line  C、twice the diameter of its sheaves for manila line  D、twenty times the diameter of a manila line  

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第6题
[单选题] The grip of a joint represents the（）.

A、thickness of the connected members  B、diameter of the head  C、entire length of the rivet  D、diameter of the shank  

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第7题
[单选题] The “grip” of a joint represents the（）.

A、thickness of the connected members  B、diameter of the head  C、entire length of the rivet  D、diameter of the shank  

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第8题
[单选题] Increasing the speed of a centrifugal pump will result in an increase in its capacity in its capacityAnother means of increasing the capacity pump is to increase the（）

A、diameter of the discharge piping, with all other factors remaining the same  B、diameter of the suction piping, with all other factors remaining the same  C、width of the impeller only  D、diameter of the impeller  

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第9题
[单选题] Increasing the speed of a centrifugal pump will result in an increase in its capacity Another means of increasing the capacity of a centrifugal pump is to increase the （）.

A、diameter of the discharge piping, with all other factors remaining the same  B、diameter of the suction piping, with all other factors remaining the same  C、width of the impeller only  D、diameter of the impeller  

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