更多"In an oily water separator the oil "的相关试题:
[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]Here some oil in the oily water separator, as a result of its lower （）, will separate and rise into the oil collection space.
A. temperature
B. viscosity
C. density
D. velocity
[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]Before the oily water separator put into operation, it should be （）
A. filled with bilge water
B. filled with oil
C. filled with clean water
D. be emptied
[单项选择]When oily water separator is operating, which measure （） is wrong.
A. pay attention to operating parameters
B. renew and clean separating units in time
C. check oil level in separator to prevent overload
D. check separating effect, if it is bad, flush with large capacity water pump
[单项选择]The most suitable pump for oily water separator feed duties is （）.
A. a reciprocating pump
B. a vane pump
C. a centrifugal pump
D. a triple screw pump
[单项选择]What’s the advantage of oily water separator that meets the requirement of MEPC 60(33) over MEPC 107(49)?（）
A. more economic
B. larger capacity on oil treatment
C. less costive
D. more capable of separating emulsified oil
[单项选择]Oily water separator mis-alarms, the most possible reason is （）
A. separating oil too fast
B. the sensor flushed badly
C. the discharge solenoid value out of order
D. too low heating temperature
[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]The （）is fitted on an oily water separator.
A. sliding bowl bottom
B. gravity disc
C. bowl
D. liquid level detector
[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]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]During inspection of oil and oily mixtures from machinery spaces, which of the following factors should be taken into account by the PSCO? （）
A. The quantity of oil residues generated
B. The capacity of sludge and bilge water holding tank
C. The capacity of the oily water separator
D. All of the above
[单项选择]When started, a complete oily water separating unit is first filled （）The oily water mixture is then pumped through the inlet pipe into the coarse separating compartment.
A. with dirty water
B. with clean water
C. by oily water
D. by mixed water
[单项选择]The separating effect of oil separator is not very good, the reason may be（）
A. too little seal water
B. improper gravity disc
C. oil discharging pump not working very well
D. low water level of the working water
[单项选择]When separating lube oil separator, the optimal separating quantity is（）of the rated quantity on name plate.
A. 100%
B. 1/2
C. 1/5
D. 1/3
[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]Before the oily water is installed on board ships, it must have （）
A. IOPP
B. type approval certificate
C. cargo ship safety equipment certificate
D. cargo ship safety certificate
