更多"The time of discharging oil is shor"的相关试题:
[单项选择]The most likely time for oil pollution while bunkering is when（）.
A. final topping off is occurring
B. first starting to receive fuel
C. hoses are being blown down
D. hoses are disconnected and being capped
[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]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]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]You may find the time of slack water after low water in a certain port from（）.
A. Deadweight Scale
B. Tide Tables
C. Notices to Mariners
D. Table of Azimuth
[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]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
[单项选择]Which of the following pumps will most affect oily water separator performance and give the worst result?（）
A. reciprocating pump
B. vane pump
C. screw pump
D. centrifugal pump
[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]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 following measures can be used to improve oily water separator’s separating effect except （）
A. overhauling every two year
B. working at intervals
C. renewing filtration material
D. pumping bilge water from different layers respectively
[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 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]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
