更多"Here some oil in the oily water sep"的相关试题:
[单项选择]In an oily water separator the oil will travel （） to the oil collecting spaces.
A. upwards
B. downwards
C. outwards
D. forwards
[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]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]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 （）is fitted on an oily water separator.
A. sliding bowl bottom
B. gravity disc
C. bowl
D. liquid level detector
[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]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]The time of discharging oil is short, but oily water separator discharges oil frequentlyThe possible reason is （）
A. the sensor of low oil level is fully covered by sludge
B. the coarse strainer before the pump in suction system is clogged
C. the screw pump is worn seriously and volumetric efficiency is decreased
D. bilge suction value is clogged
[单项选择]In the sentence “In some designs the cylinder oil is timed so that the oil injects only on the piston ring belt, the "piston ring belt" means （）.
A. piston crown
B. piston ring groove
C. piston skirt
D. piston ring area
[单项选择]In some designs the cylinder oil is timed so that the oil injects only on the （）.
A. piston crown
B. piston groove
C. piston skirt
D. piston ring belt
[单项选择]Shipboard Oil Pollution Emergency Plans must be reviewed（）.
A. annually by the owner，with a letter submitted six months before expiration
B. only once every five years，with a letter submitted six months before expiration
C. and the entire plan resubmitted for approval once every five years，six months before expiration
D. annually by the owner，with a letter submitted to the Coast Guard within one month of the anniversary date of the plan approval
[单项选择]The strong wind will make us（）here for some days.
A. to stay
B. staying
C. stay
D. stayed
[单项选择]In a full flow type lube oil system, the bypass relief valve will lift due to （）
A. a clogged filter element
B. excessive lube oil pump discharge pressure
C. excessive lube oil flow
D. excessively hot lube oil
[单项选择]Accumulations of oily rags should be（）.
A. kept in nonmetal containers
B. discarded as soon as possible
C. cleaned thoroughly for reuse
D. kept in the paint locker
