问题：
[单选题]Overheating of a hydraulic system may be a result of （）.
A、changing pump discharge pressure in response to normal load variations
B、a high oil level
C、incorrect fluid viscosity
D、continued slow re-circulation of the oil
参考答案：
C
相关内容
- ● A hydraulic motor may be driven by （）.
- ● If you intall a new hydraulic hoe in a hydraulic ytem, the hoe mut be long enough to allow for contraction to prevent
- ● Which of the following hydraulic ytem i not one of the three ub-diviion of the Hydraulic drive ytem?（）
- ● Although the Shipowner may be reponible for the lo or damage to the good，hi liability may be limited by the term of（）.
- ● The nominal range of a light may be accurately defined a the maximum ditance at which a light may be een（）.
- ● Overheating of a hydraulic ytem may be a reult of （）.
- ● In which of the lited hydraulic ytem will the intallation of an oil cooler be neceary?（）
- ● A cutoff valve in the fire-main ytem of a hip may be cloed to protect the portion of the ytem on an expoed deck from（）.
- ● Damage caued by lighting，a torm，or a udden gut of wind may be within the exception of （）.
- ● An architectural Style. define a a family of uch ytem in term of a (1) of tructural organization.More pecifically an architectural tyle. define a vocabulary of (2) and connector type, and a et of (3) on how they can be combined. For many tyle there may alo exit one or more (4) that pecify how to determine a ytem' overall propertie from the propertie of it part. Many of architectural tyle have been developed over the year.The bet-known example of (5) architecture are program written in the Unix hell．(1)
- ● After intalling a new hydraulic pump in a ytem, what pecial attention hould be given to the hydraulic ytem?（）
- ● After intalling a new hydraulic pump in a ytem, what pecial attention hould be given to the hydraulic ytem?
