搜题

【单项选择题】

Large crosshead type engine generally has two lubrication systems, a function performed only by cylinder oil system is（）

A、A.lubricating

B、B.cooling

C、C.sealing

D、D.cleaning

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更多“Large crosshead type engine generally has two lubrication systems, a function performed only by cylinder oil system is（）”相关的问题

第1题

[单选题] （）diesel engines generally have two systems of lubrication:（）a total loss system feeding and a circulating system lubricating the running gear and cooling the pistons.

A、Large crosshead type；crossheads B、High speed；the cylinders C、Large crosshead type；the cylinders D、Four-stroke；pistons and cylinders

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第2题

[单选题] Today, crankshafts for large 2-stroke crosshead engines are of the （）type.

A、semi-built B、built-up C、solid forged D、individual forged

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第3题

[单选题] Large crosshead type engine generally has two lubrication systems, a function performed only by crankcase oil system is（）

A、lubricating B、cooling C、cleaning D、neutralizing

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第4题

[单选题] The position of （） on the crosshead on a large diesel engine is determined by dowel pins.

A、the guideway B、the piston rod C、the crosshead shoes D、the interlocked circlip

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第5题

[单选题] Marine four-stroke diesel engines are mainly （）.

A、of crosshead type B、of trunk piston type C、of low speed type D、all the above

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第6题

[单选题] （） can be found on most medium to large merchant vessels even if the main engine is either a steam turbine or 2-stroke crosshead engine.

A、The medium speed 4-stroke trunk piston engine B、The low speed 2-stroke crosshead engine C、The medium speed 2-stroke crosshead engine D、The low speed 4-stroke trunk piston engine

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第7题

[单选题] Generally the gudgeon pin is fully floating in both connecting rod small end and （）.

A、the crosshead B、the crankshaft C、large end D、the piston bosses

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第8题

[单选题] On a large diesel engine installation, crankshaft axial alignment is maintained by the （）

A、piston rod guides B、engine thrust bearing C、crosshead bearing D、main shaft flexible coupling

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第9题

[] Many types of general cargo are now carried in （）.

A、A. large bags B、B. big drums C、C. containers D、D. large cases

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