更多"In a general oil cooler circulated "的相关试题:
[单项选择]In an oil cooler circulated by sea water, the oil is at a larger pressure, the result being that any leak in the cooler will mean a loss of （）.
A. oil
B. sea water
C. refrigerant
D. fresh water
[单项选择]（） is the production of pure water from sea water by evaporation and re-condensing.
A. Evaporation
B. Circulation
C. Condensation
D. Distillation
[单项选择]We use （） to distill fresh water from sea water.
A. engine
B. sea water pump
C. cylinder cooler
D. fresh water generator
[单项选择]Biodegradation of the oil slick in sea water is assisted by all the following marine micro-organisms which are capable of metabolising oil compounds except（）.
A. bacteria
B. moulds
C. yeasts
D. seals
[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]After stopping oily water separator, sea water should be permitted for （） minutes,（）should be closed after stopping pump to reduce oxidation corrosion of inner wall.
A. 15；inlet value
B. 15；inlet and outlet value
C. 30；inlet value
D. 30；inlet and outlet value
[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]If oil density were greater than water’s, the oil separator （）.
A. did work
B. would work well
C. didnt work
D. wouldnt work
[单项选择]Releasing oil from the sea anchor of a lifeboat may（）.
A. keep the propeller from being fouled
B. increase propeller speed
C. help calm the waves in the vicinity of the craft
D. increase the holding power of the sea anchor
[单项选择]Releasing oil from the sea anchor of a survival craft may（）.
A. keep the propeller from being fouled
B. increase propeller speed
C. help calm the waves in the vicinity of the craft
D. increase the holding power of the sea anchor
[单项选择]In a diesel engine jacket water cooler, with seawater cooling the fresh water, the（）
A. sea water temperature must never be warmer than 40℃
B. jacket water pressure should always be greater than the sea water pressure
C. jacket water temperature must always be less than 60℃
D. jacket water pressure must always be less than the sea water pressure
[单项选择]When distilling sea water the cooling water discharging from the distiller is fed back to evaporator as feed water （）.
A. to decrease scale formation
B. for better cooling effect
C. for more economical purpose
D. to raise vacuum
[单项选择]In a complete oil/water separator, more oil will separate out onto the underside of these plates and travel outwards until it is free to rise into the oil collecting space Whats the meaning of "it" in the sentence above?（）
A. a separator
B. oil
C. water
D. an oil collecting space
[单项选择]The purpose of storm oil in a sea anchor is to（）.
A. weigh down the anchor
B. lubricate the anchor
C. repel dangerous fish
D. smooth the sea
[单项选择]Sea water temporarily pumped into tanks to simulate the increased vertical loading of environmental forces is termed（）.
A. preload
B. liquid variable load
C. fixed load
D. basic load
[单项选择]Any discharge into the sea of oil or oily mixtures from ships to which this Annex of MARPOL 73/78 applies shall be（）except when special conditions are satisfied.
A. required
B. requested
C. promoted
D. prohibited
[单项选择]Lube oil accumulating in the cooling water system of a diesel engine will result in （）
A. lube cooler failure
B. poor heat transfer
C. mechanical lubricator failure
D. camshaft seizure
[单项选择]When oil is accidentally discharged into the water，what should you do after reporting the discharge（）.
A. Contain the oil and remove as much of it as possible from the water
B. Throw chemical agents on the water to disperse the oil
C. Throw sand on the water to sink the oil
D. Obtain your permit from the Corps of Engineers
