A、a clogged filter element
B、excessive lube oil pump discharge pressure
C、excessive lube oil flow
D、excessively hot lube oil
更多“In a full flow type lube oil system, the bypass relief valve will lift due to （）”相关的问题
A、one flowing in the same direction as your course steered B、one flowing in the opposite direction as your course steered C、one that flows at nearly right angles to your course steered D、a rotary current in which the direction of current flow constantly changes
A、The globe valve may be suitable for partially open operation B、The globe valve will give full bore flow with change of direction C、The gate valve gives full bore flow with change of direction D、The gate valve is suitable for full bore operation only
A、A.too much refrigerant in the system B、B.oil entrained in the refrigerant C、C.less than a full charge of refrigerant in the system D、D.ice crystals forming in the refrigerant
A、allow an alternate main pump to start in the fully loaded condition thus developing immediate full torque B、prevent either main pump from being hydraulically motored when idle by cross pressure flow C、prevent both units from operating simultaneously which could result in doubling the flow of oil and pressure leading to over pressurization of the system D、all of the above
A、A.the system is fully charged B、B.there is air leaking in from the condenser C、C.ice crystals are forming in the refrigerant D、D.the system contains less than a full charge of refrigerant
A、negative displacement type B、turbine type C、positive displacement type D、mixed-flow type
A、A. All OSPF routers in stubby areas can have type 3 LSAs in their database. B、B. All OSPF routers in stubby areas can have type 7 LSAs in their database. C、C. All OSPF routers in totally stubby areas can have type 3 LSAs in their database. D、D. All OSPF routers in totally stubby areas can have type 7 LSAs in their database. E、E. All OSPF routers in NSSA areas can have type 3 LSAs in their database. F、F. All OSPF routers in NSSA areas can have type 7 LSAs in their database.
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