A、pump bearings in poor condition
B、excessively worn actuator-piston packing
C、broken directional control valve centering springs
D、low hydraulic oil viscosity
更多“Increased internal leakage, in addition to poor hydraulic system response,and inadequate lubrication, is the result of （）.”相关的问题
A、increased equipment life B、increased material costs C、increased asset downtime D、increased labor purchases E、increased labor utilization F、increased asset utilization
A、Increased turbulence B、increased mechanical efficiency C、Increased brake mean effective pressure D、All of the above
A、lag behind the increased fuel supplied to the engine B、enter the engine along with the increase in the fuel C、enter the engine before the increased fuel supply D、leave the turbocharger as a negative pulse
A、free entry of air to the crankcase B、water entering the crankcase while engine wash-downs are being performed C、excessive oil leakage during periods of increased blow-by D、sub-cooling internal components
A、International Cargo Gear Certificate B、International Loadline Certificate C、International Safety Construction Certificate D、International Seaman Identification
A、A.increase in resistance with increased temperature B、B.increase in resistance with decreased temperature C、C.decrease in resistance with increased temperature D、D.increase in conductance with increased temperature
A、International Cargo Gear Certificate B、International Loadline Certificate C、International Safety Construction Certificate D、International Seaman Identification
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