When fuel enters the crankcase of a diesel engine, it ()
A、dilutes the lube oil and reduces its viscosity
B、forms sulfuric acid in the lube oil
C、causes pitting and failure of the bearings
D、causes sludge deposits on valve stems
A、dilutes the lube oil and reduces its viscosity
B、forms sulfuric acid in the lube oil
C、causes pitting and failure of the bearings
D、causes sludge deposits on valve stems
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、reduce fuel feeding B、increase fuel feeding C、keep original fuel feeding D、be overspeed
A、centrifugal separators; the engine cylinder B、oily water separators; the engine cylinder C、oily water separators; the fuel supply system D、centrifuges; the fuel supply system
A、When the discovery packet enters the router from the DHCP client. B、Only when the offer packet enters the router from the DHCP server. C、When the acknowledge packet enters the router from the DHCP server. D、Only when the discovery packet leaves the router going to the DHCP server.
A、deliver proper fuel quantity to the injection nozzle B、provide rapid fuel injection cutoff C、control fuel quantity entering the pump body D、control fuel pressure delivered to the combustion chamber
A、releasing the boiler water B、the explosion detecting and cleaning for the fuel tank C、the docking project related item D、shore power and fire fighting water supply
A、When the towing vessel enters the fog B、When the drilling rig enters the fog C、When the towing vessel can no longer be seen from the rig D、Immediately
A、A.less fuel will enter the cylinder B、B.higher the cylinder combustion temperature C、C.more complete the fuel combustion D、D.more rapid the rise in combustion pressure
A、quantity of fuel to be received B、flash point of the fuel as it is received C、fuel temperature as it is received D、viscosity of the fuel being received