更多"The oil is drawn from a drain tank "的相关试题:
[单项选择]The lubricating oil is pumped from the drain tank, very often with （） in the suction line.
A. a filter
B. a strainer
C. a magnetic filter
D. a fine strainer
[单项选择]The amount of lubricating oil in the drain tank should be checked by （）.
A. measuring
B. sounding rod
C. metering
D. weighting
[单项选择]If the piston groove drain holes for the oil control rings become clogged, which of the following is likely to occur?（）
A. The oil control rings will seal improperly and wear rapidly
B. The piston will overheat due to insufficient lubrication
C. Excessive oil will remain on the cylinder wall
D. Light brown smoke will emanate from the engine exhaust
[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]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]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]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]Fuel oil tank vents are fitted with a screen which will stop（）.
A. oil from flowing out of the tank vent
B. air from entering the tank vent
C. vapors from leaving the tank vent
D. flames on deck from entering the tank vent
[单项选择]Lines drawn through points on the earth having the same atmospheric pressure are known as（）.
A. isothermal
B. millibars
C. isobars
D. seismics
[单项选择]Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.
A. Isothermal
B. Millibars
C. Isobars
D. Seismics
[单项选择]You detect oil around your tank vessel while discharging. The first thing to do is（）.
A. try to find out where the oil is coming from
B. call the master
C. have the pumpman check the discharge piping
D. shut down operations
[单项选择]Fuel oil is regularly transferred to the day tank in order to （）
A. allow impurities to settle out of the fuel
B. allow air to escape from the fuel
C. make fuel available for immediate use
D. all of the above
[单项选择]Permitting a diesel engine fuel oil day tank to run dry can cause （）
A. overheated injection pumps
B. water condensation in the cylinders
C. fuel dilution of the lube oil
D. air in the fuel system
[单项选择]Before a tank is to be crude oil washed，the oxygen content in the tank must be measured at a position（）.
A. immediately above the level of the oil
B. at the top of the tank
C. in the vent riser
D. one meter from the deck
[单项选择]The depth of fuel oil in a tank is normally measured through the（）
A. vent line
B. overflow line
C. feed line
D. sounding tube
