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【单选题】

(Piston area)X(Piston stroke)K(numbers of the cylinders)=engine（）

A、brake horsepower

B、displacement

C、cylinder volume

D、cylinder clearance

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更多“(Piston area)X(Piston stroke)K(numbers of the cylinders)=engine（）”相关的问题
第1题
[单选题] In the sentence “In some designs the cylinder oil is timed so that the oil injects only on the piston ring belt, the "piston ring belt" means （）.

A、piston crown  B、piston ring groove  C、piston skirt  D、piston ring area  

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第2题
[单选题] If over a period of time, the oi1 film partially disappears, so that dry areas are formed on the cylinder wall, these areas and the piston surfaces will by frictional interaction, become finely scuffed and hardened, iegood mirror surface" will have deterioratedWhat condition of the piston rings can result in this phenomenon?（）

A、micro-seizure  B、sticking  C、scratched  D、breakage/collapse  

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第3题
[单选题] When inspecting piston rings through the ports of a two-stroke/cycle diesel engine, black areas on the sealing surfaces are the result of （）

A、insufficient lubrication  B、improper piston cooling  C、blow-by  D、overload operation  

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第4题
[] The single acting cylinder is the simplest form where pressure is applied to the full area of the piston head to move the load through piston rod extensionThe load causes rod （） when the drive pressure is released.

A、A.contraction  B、B.retraction  C、C.expansion  D、D.shrinkage  

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第5题
[多选题] 要在一个路由器上运行OSPF协议并指定运行的接口，下列哪些配置是必须的（）

A、配置路由器的ID号[Quidway]route rid <X.X.X.X>  B、启动OSPF协议[Quidway] ospf enable  C、引入其它协议的路由信息[Quidway-ospf] import-route...  D、指定接口所在的区域[Quidway-Serial0] ospf enable area <area_id>  

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第6题
[单选题] Black areas on the sealing surfaces of piston rings indicate（）

A、lube oil pumping  B、rotating rings  C、gas pressure behind the ring  D、passage of hot gases  

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第7题
[单选题] If due to thick and hard deposits of carbon, the piston rings cannot move freely in their grooves, dark areas will often appear on the upper part of the cylinder wall (may not be the risible at port inspection)What condition of the piston rings can result in this phenomenon?（）

A、micro-seizure  B、sticking  C、scratched  D、breakage/ollapse  

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第8题
[单选题] Refer to the exhibits. You are verifying your OSPF implementation, and it does not seem to be functioning properly. What can you conclude from the exhibit and the show running - configuration command output? （）

A、The OSPF areas are not configured correctly.  B、The wildcard masks for the 10.x .x.x networks are incorrect.  C、The 172.16.x.x networks need to be connected to area 0 using virtual links.  D、The 172.16.x.x networks are discontiguous. OSPF is automatically summarizing them to 172.16.0.0/16 and data is being "black holed."  E、There is not enough information to make a determination.  

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第9题
[单选题] Oil control rings used in two-stroke/cycle diesel engines are located near the bottom of the piston skirt in order to （）

A、increase the liner area covered by the oil film  B、maintain an oil film on the lower liner where scuffing is prevalent  C、keep excess oil away from intake and exhaust ports  D、help cushion piston skirt side thrust by providing a hydrodynamic oil wedge  

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