A . visual inspection of the elements
B . the pressure drop across the filter
C . high lube oil sump temperature
D . decrease in oil viscosity from the filter
[单选] In a bypass type lubrication system for a diesel engine， the dirty oil line
[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]In a diesel engine lube oil system, which of the following parts should be lubricated first?（）A . Camshaft beatingsB . Main bearingsC . Piston crownsD . Cylinder wall
A supercharged diesel engine when compared to a similar naturally aspirated dies
[单选题]_____ the engines, the diesel engine is ____ used engine on boardA．Between / more commonlyB．Among / the most commonlyC．Between / not more commonlyD．Among / not the most commonly
[单选题]The heart of the diesel engine is the （） where the fuel is burnt and the power developed.A . crankcaseB . cylinderC . scavenge boxD . pisto
[单选题]The diesel engine is a type of （）.A . turbine engineB . gas turbineC . steam engineD . internal combustion engine
[单选题]Dirty oil must be （） before being used again.A . mixed with clean oilB . purifiedC . heatedD . strained
[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