更多"One of the reasons that causes oil "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]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]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]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]You are transferring records from one database to another. You need to decide whether you can use the SqlBulkCopy class to transfer the records. What should you do? （）
A. Ensure that the source database is Microsoft SQL Server.
B. Ensure that the destination database is Microsoft SQL Server.
C. Ensure that the column names in the source table match the column names in the destination table.
D. Ensure that the bulk copy program (bcp) utility is installed on the destination server.
[单项选择]The diffuser prevents pressure pulses from one cylinder （） another during operation.
A. to interfere with
B. interfering with
C. to help scavenging
D. helping scavenging
[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]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]A knocking sound from one cylinder of an operating air compressor indicates （）.
A. a defective or broken high pressure un-loader
B. a loose valve plate
C. excessive overload
D. no compression
[单项选择]When a vessel changes course from one cardinal heading to another cardinal heading whilea djusting the compass，which action should be taken?（）
A. The course change should be made rapidly to prevent transient induced magnetism while passing the intercardinal headings
B. After the new heading is reached，the vessel should steam on that course for at least two minutes before the adjustment
C. During the course change，you should gently tap the compass to remove any error caused by friction on the pivot bearing
D. After steadying on the new heading，the compass card should be slewed by a magnet and allowed to oscillate freely to remove any gaussin error
[单项选择]A stretch where the channel changes from one side of the river to the other is called a（）.
A. crossing
B. transit
C. transfer
D. passing
[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]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
