（）diesel engines generally have two systems of lubrication:（）a total loss system feeding and a circulating system lubricating the running gear and cooling the pistons.
1、In a two-stroke/cycle diesel engine, t
In a two-stroke/cycle diesel engine, the exhaust gases are expelled from the cylinder by the（）Aexhaust manifoldBvalve bridgeCpressure of the fresh air chargeDvalve adjusting gear
2、Modern marine diesel engines equipped
Modern marine diesel engines equipped with mechanical fuel injection operate on a combustion phase within the cycle which is（）Aentirely constant...
3、A diesel engine crankcase ventilation
A diesel engine crankcase ventilation system （）Aprevents spark generationBremoves combustible gasesCdetermines the level of combustible gasesDprovides inert gas generation in crankcase
4、Large crosshead type engine generally
Large crosshead type engine generally has two lubrication systems, a function performed only by cylinder oil system is（）AlubricatingBcoolingCsealingDcleaning
5、Diesel engine exhaust gas temperatures
Diesel engine exhaust gas temperatures can be used to determine individual cylinder （）.AperformanceBhorsepower outputCfuel consumptionDscavenge effect
6、Diesel engines driving alternators ope
Diesel engines driving alternators operating in parallel must maintain set frequency regardless of load changesThe governor characteristic used to accomplish this is known as （）AactuationBsensitivityCcompensationDthrust shaft