更多"Whether using a centrifuge or a sim"的相关试题:
[单项选择]Oil is supplied to the crosshead using a swinging arm or a () and is sometimes boosted in pressure to and efficient lubrication.
A. telescopic pipe
B. large bore pipe
C. generating pipe
D. central pipe
[单项选择]Increasing differential pressure of an oil filter indicates that ()
A. it is dirty
B. it is leaky
C. it has been renewed
D. all the above
[单项选择]A dirty diesel engine oil filter element can best be detected by ().
A. visual inspection of the elements
B. the pressure drop across the filter
C. high lube oil sump temperature
D. decrease in oil viscosity from the filter
[单项选择]To determine if the lube oil filter elements need changing, ().
A. open the filter and inspect the elements
B. check the lube oil pump discharge pressure
C. check the lube oil header pressure
D. check the pressure drop across the filter
[单项选择]A dirty fuel oil filter element can be detected by ()
A. Visual inspection of the element
B. the pressure drop cross the filter
C. high fuel oil tank temperature
D. increase flow rate from the filter
[单项选择]A lube oil filter can be used to remove most contaminants from lube oilA contaminant which will remain in the lube oil after filtering is ().
A. acid
B. fuel oil
C. sediment
D. water
[单项选择]
A dirty fuel oil filter is can be detected by ()
Ⅰ.fuel oil analysis
Ⅱ.observing the pressure drop across the filter
A. Ⅰonly
B. Ⅱonly
C. eitherⅠorⅡ
D. neitherⅠnor
[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]Unless such oil tanker carries crude oil which is not suitable for crude oil washing,the oil tanker shall()the system in accordance with the requirements of that Regulation.
A. operate
B. check
C. install
D. overhaul
[单项选择]Machinery driving fuel oil transfer and fuel oil service pumps must be fitted with a remote means of stopping the machinery from ().
A. within the space concerned
B. outside the space concerned
C. the throttle station
D. within the fire room
[单项选择]
When fuel oil is accidentally missed with lube oil which of the following processes can be used to separate them?()
Ⅰ.filtering
Ⅱ.settling
A. Ⅰ only
B. Ⅱ only
C. either Ⅰ or Ⅱ
D. neither Ⅰ or Ⅱ
[单项选择]The oil discharge monitoring system in the oil tanker vessels is used for detecting the amount of oil discharged overboard to ensure that it does not exceed()
A. 15 liters nautical mile
B. 30 liters nautical mile
C. 60 liters nautical mile
D. 100 liters nautical mile
[单项选择]The term OIL as used in the Oil Pollution Regulations means().
A. fuel oil
B. sludge
C. oil refuse
D. All of the above
[单项选择]Diesel engine lube oil diluted with fuel oil is indicated by()
A. decreased viscosity
B. decreased pour point
C. increased flash point
D. increased viscosity
[单项选择]Cylinder oil is a high viscosity mineral oil, with a () machined to the anticipated sulfur content of the fuel.
A. TAN
B. TBN
C. SAN
D. SBN
[单项选择]When separating fuel oil in oil separator, the separating quantity is() of the real quantity.
A. 100%
B. 80%
C. 1/2
D. 1/3
[单项选择]The lube oil cooler is located after the lube oil filter in order for ()
A. the filter to operate more efficiently
B. the lube oil cooler to be bypassed
C. positive lube oil pump suction to be assured
D. galvanic action in the cooler to be minimized
[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]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