Diesel oil may be used to cool （） of a diesel engine.

[单选题]If diesel oil in this tank is used, the （） of the oil must not exceed 120 degree F.A . viscosityB . flash pointC . acid valueD . temperature

[单选题]Fuel oil transfer systems used onboard diesel propelled vessels are required to have （）.A . two fuel oil transfer pumps provided where one is to be independent of the main engineB . two fuel oil transfer pumps, with a combined capacity exceeding the

[单选题]Of a kind of liquid is used to cool the diesel engine, it is invariably called （）A . lubricantB . coolantC . combustion productD . second refrigerant

[单选题]Sea water is not directly used as a coolant for engines because of its （）.A . low specific heatB . corrosive actionC . high expenseD . acid property

[单选题]Lubricating oil systems for diesel engine journal bearings are usually lubricated by which of the following types of lubricating oil systems?（）A . SplashB . GravityC . PressureD . Bypa

[单选题]The fuel oil system for a diesel engine can be considered in two parts--the fuel supply and the （） systems.A . fuel treatmentB . fuel combustionC . fuel injectionD . fuel separating

[单选题]For a main diesel engine the lube oil in the bearings is drawn from （）, usually located in the bedplate.A . a gravity tankB . a sumpC . a vesselD . a bottle

[单选题]Dirt in the fuel oil system of a diesel engine can cause （）.A . clogged filtersB . poor combustionC . overloading of the dieselD . shock of fuel line

[单选题]A diesel engines crankcase oil level is found to be too high√ You should suspect that （）.A . the engine was over filledB . there might be a fuel leakC . there might be a water leakD . all of the above

[单选题]A dirty diesel engine oil filter element can best be detected by （）.A . visual inspection of the elementsB . the pressure drop across the filterC . high lube oil sump temperatureD . decrease in oil viscosity from the filter