The ash content of a fuel oil is significant to the operating engineer because it （）
1、In a typical fuel system, the oil is s
In a typical fuel system, the oil is stored in （） in the double bottom.Asetting tanksBservice tanksCtanksDdrain tank
2、The burning of fuel oil in a diesel en
The burning of fuel oil in a diesel engine having a high sodium content, will cause （）Acorrosion and grooving of exhaust valvesBcorrosion and...
3、Dirt in the fuel oil system of a diese
Dirt in the fuel oil system of a diesel engine can cause （）.Aclogged filtersBpoor combustionCoverloading of the dieselDshock of fuel line
4、The treatment of the fuel oils involve
The treatment of the fuel oils involves storage, heating, filtering and（）AcentrifugingBpressurizingCatomizationDigniting
5、The max effluent of the oil content fr
The max effluent of the oil content from a ship of 400 tons gross tonnage and above other than an oil tanker is（）.Aless than 100 parts per millionBmore than 100 parts per millionCat least 100 parts per millionD100 parts per millio
6、The viscosity of an oil is a measure o
The viscosity of an oil is a measure of its （）.AweightBinternal frictionCdemulsibility