更多"Waste oil should()"的相关试题:
[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]Fueling results in the collection of waste oil in drip pans and containers. Which is an approved method of disposing of the waste oil? ()
A. Draining it overboard when the vessel gets underway
B. Placing it in proper disposal facilities
C. Adding sinking agents and discharging it into the water
D. Mixing it with dispersants before draining it overboard
[单项选择]How often should the lubricating oil of a diesel engine be changed?()
A. After every trip
B. Every 4000 hours
C. According to manufacturer’s instructions
D. Every time they are shutdown
[单项选择]Which of the following should be recorded in Oil Record Book Part I (machinery space operation) ?()
A. Non automatic discharge overboard of machinery space bilge water
B. Automatic discharge overboard of machinery space bilge water
C. A and B
D. Neither A nor B
[单项选择]There should be a lubricating oil () between the main beatings and the crankshaft.
A. film
B. cap
C. lacquer
D. shell
[单项选择]The oil quantity for bearing lubrication should be applied in such an amount as to be sufficient to carry away the () caused by the friction at the bearings.
A. acids
B. additives
C. heat
D. gear
[单项选择]Lubricating oil should be changed on a heavy duty diesel engine when().
A. it gets dark in color
B. a sample rubbed between fingers feels thin
C. it has been in use for a specified interval
D. it no longer supports combustion
[单项选择]Burning diesel oil should be treated as which class of fire?()
A. Class "A"
B. Class "B"
C. Class "C"
D. Class "D"
[单项选择]Main propulsion engine lube oil sumps should be constructed ()
A. so as to never be integral lube
B. with a sloped bottom
C. only of nonferrous, noncorrosive metals
D. with drain/return lines terminating just above or at the designed normal level
[单项选择]A centrifugal fuel oil purifier should be shut down if ()
A. more sealing water is needed
B. the cover clamp needs tightening
C. the purifier has a bad vibration when started
D. water is discharged from the overflow line
[单项选择]The oil index of main engine should be controlled to prevent it from in heavy weather()
A. over heat
B. over speed
C. over pressure
D. over worn
[单项选择]The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated ()
A. for atomizing
B. for centrifuging
C. in a storage tank
D. in the re-circulating line
[单项选择]Oil product samples should be taken from the().
A. dock riser
B. ship's cargo tanks
C. shore tank discharge
D. All of the above
[单项选择]After taking on fuel oil, the hoses should be disconnected and ().
A. draped over the fantail to dry out
B. drained over the side and washed out
C. drained into the bilges and washed out
D. drained into buckets or fuel tanks
[单项选择]When finish work on the oil separator, you should()firstly.
A. cut off the power
B. cut off the oil inlet
C. open guide water valve
D. close oil outlet value
[单项选择]The oil in a cargo winch gear box should be sampled periodically to ().
A. prevent the gear box from leaking
B. prevent the oil from becoming inflammable
C. make sure it has not become contaminated
D. make sure the motor bearings are lubricated
[单项选择]The furnace of an oil fired boiler should be () before the operating burner is lit.
A. filled with water
B. purged
C. cleared of air
D. None of the above is true
[单项选择]Before pumping up the crankcase oil,() should be worked by hand to minimize corrosive action on the liners.
A. the indicators
B. the starting valves
C. the cylinder lubricators
D. the turning gear