Accumulations of oily rags should be().
A、A.kept in nonmetal containers
B、B.discarded as soon as possible
C、C.cleaned thoroughly for reuse
D、D.kept in the paint locker
A、A.kept in nonmetal containers
B、B.discarded as soon as possible
C、C.cleaned thoroughly for reuse
D、D.kept in the paint locker
A、A.Oil vapour in air piping are dangerous B、B.Explosion will cause oil vapouring in air lines C、C.Oil vapour in air piping should be drained D、D.Oil in air piping should not be drained
A、water in the fuel oil B、excessive cycling C、high fuel oil pressure D、improper burner maintenance
A、a drop of oil B、the emulsion of oil at sea surface C、the weathered oil D、the oil floating on the surface of the sea water
A、to fuel oil instead of diesel oil B、for fuel oil instead of diesel oil C、to diesel oil into fuel oil D、for diesel oil into fuel oil
A、A.Water discharging from the water outlet of the lube oil purifier B、B.Fuel oil discharging from the water outlet of the lube oil purifier C、C.Lube oil discharging from the water outlet of the lube oil purifier D、D.A change in the lube oil viscosity
A、the ability of oil to separate from water B、the temperature at which oil flows rapidly C、a measure of the water in a lube oil system D、an emulsion of different grades of oil
A、A.diesel oil instead of fuel oil B、B.fuel oil instead of diesel oil C、C.diesel oil instead fuel oil D、D.fuel oil instead diesel oil
A、A.acidity of the oil B、B.pour point of the oil C、C.flash point of the oil D、D.viscosity of the oil
A、refrigerant bubbles in the lube oil B、refrigerant reducing the lube oil viscosity C、oxidation of the lube oil from overheating D、reducing the floc or cloud point of the oil
A、Oil inlet valve opening too quickly B、Oil temperature too high C、Diameter of gravity disc too small D、Viscosity of oil too low