Which factor of the following affects not only the fuels combustion but also the engine’s maintenance?()
A、A.cetane number
B、B.flash point
C、C.viscosity
D、D.setting point
A、A.cetane number
B、B.flash point
C、C.viscosity
D、D.setting point
A、Season of the year B、Geographic zone of operation C、Density of the water D、Condition of trim in normal operation
A、A.temperature of the intake air B、B.friction within the engine C、C.mechanical condition of the supercharger D、D.mechanical condition of the turbocharger
A、The construction of the vessel B、The experience of the vessel's crew C、The location of vessels detected by radar D、All of the above
A、availability of tools B、shape of the hull C、pressure exerted by the water D、threat of progressive flooding
A、A. Server room access should be limited to authorized personnel. B、B. Servers should be kept in a warm and dark environment. C、C. Remove the floppy drives from the system. D、D. The server administrator should ensure adequate levels of cooling.
A、The quantity of oil residues generated B、The capacity of sludge and bilge water holding tank C、The capacity of the oily water separator D、All of the above