更多"One of the reasons that cause oil f"的相关试题:
[单项选择]One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
A. seal water supply be cut off
B. make up water supply be cut off
C. oil outlet valve closed or not open sufficiently
D. the flow rate of oily water is too much
[单项选择]One of the reasons that causes oil flowed from sludge outlet of a self-cleaning purifier is （）
A. seal water supply be cut off
B. make-up water supply be cut off
C. oil outlet valve closed or not open sufficiently
D. the flow rate of oil is too much
[单项选择]Waste oil from the lube oil sumps of machinery may NOT be （）.
A. drained into the vessels bilges
B. reclaimed for other uses
C. held in a slop tank
D. purified and then reused
[单项选择]（）can not cause oil flow from water outlet of self-cleaning separator.
A. Oil temperature too high
B. Diameter of gravity disc too large
C. Oil temperature too low
D. High level tank out of water
[单项选择]（）can cause oil flow from sludge outlet of self cleaning separator.
A. Too much sludge accumulated in separator bowl
B. Diameter of gravity disc too large
C. High level tank lack of water
D. Oil input too rapidly
[单项选择]（）can cause oil flow from water outlet of a separator.
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
[单项选择]When the bearing becomes dry from lack of oil, the motor shaft may heat to （）an extent （） it welds itself to the bearing.
A. either；or
B. neither；nor
C. such；that
D. so；that
[单项选择]The oil is drawn from a drain tank through （）, one of a pair of pumps, into one of fine filters.
A. a strain tank
B. a head tank
C. a service tank
D. a strainer
[单项选择]When discharging oil from an oil tanker the instantaneous rate（）60 liters per nautical mile.
A. Should not exceed
B. Must be up to
C. Should exceed
D. Should be about
[单项选择]The removal of （） from lubricating oil will reduce engine wear and possible breakdowns.
A. contaminating water
B. contaminated additives
C. contaminated fuel
D. contaminating impurities
[单项选择]The oil （） in the discharging water from oil water separator exceeds 15 PPM without alarm, because the coil was burnt out.
A. filter
B. hole
C. pollution
D. content
[单项选择]The place where a channel moves from along one bank of the river over to the other bank of the river is called a（）.
A. draft
B. cutoff
C. draw
D. crossing
[单项选择]In discussing oil pollution, one important fact to remember is that the problem remains the same （） heavy （） light oil is spilled into the water.
A. both；and
B. whether；or
C. neither；nor
D. because；so
[单项选择]Clogged diesel engine fuel oil filters can cause（）
A. loss of power
B. misfiring
C. low fuel oil pressure
D. All of the above
[单项选择]Oil slick caused by spillage of oil from tanker ship is（）.
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
[单项选择]One characteristic of a lubricating oil adversely affecting the result of centrifuging is （）
A. high TBN value
B. low oil floc point
C. low oil demulsibility
D. low oil neutralization number
[单项选择]One cause of diesel engine surging can be a result of （）
A. injection pump plungers stuck or worn
B. low compression
C. solenoid stuck open
D. fuel tank too full
[单项选择]One of function of diesel engine lubricating oil is to （）
A. induce carbon formation on cylinder walls
B. improve fuel penetration in the combustion space
C. form a friction reducing film between mating surfaces
D. lubricate the fuel injection
[单项选择]One engine manufacturer recommends heavy fuel oil should not be heated above 80℃ to 95℃ (176 ℉ TO 203℉) before purificationThis upper limit should be observed to ensure against（）
A. flattening of the bowl neoprene O-rings
B. operation within the explosive rang of the fuel
C. excessive purifier operating pressures
D. excessive oil viscosity
