How many PPM of the oily water can be pumped out within 12 miles along the China coast line？ ______.A.at least 15 PPMB.about 15 PPMC.up to 15 PPMD.no less than 15 PPM
How many PPM of the oily water can be pumped out within 12 miles along the China coast line？ ______.
A.at least 15 PPM
B.about 15 PPM
C.up to 15 PPM
D.no less than 15 PPM
相关考题：
Water is the __46___ of all the things we eat and drink . Not many people understand this but __47____ quite true . The human body can go without ___48___ for a long time . We’ve got many examples for this . Yet two __49___ three days without water can usually make people __50____ . Man can’t live __51____ water .Many people don’t understand how ___52__ water the human body needs __53___ work well , and many people , especially young people , do not drink enough , ___54__ in very hot weather . Our body has mostly water , about 65% to 75% . That is to say about two thirds of our body is water . When we do sports , some of the water will get away from our body . __55 _ we don’t drink some water , we won’t have enough water． And if we don’t have enough water , we’ll feel tired and many of us will get ill . So you know how important water is to us .46.___________( )46. A. importantB. most importantC. more importantD. different
The author compares cells with water balloons in order to ______.A. make you think of summerB. help you visualize the cellsC. show how rubber is elasticD. show how many shapes cells can have
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 waterB.with clean waterC.by oily waterD.by mixed water
You are on a tanker discharging oil．When all of the oil that the main cargo pumps can handle is pumped out of a tank，the remainder is ______．A.Stripped out and pumped directly ashore into the mainline as the remaining cargo tanks are pumped out with the main pumpsB.Stripped to one tank and then pumped out with the main pumpsC.Stripped out and pumped directly ashore after all the tanks have been emptied by the main pumpsD.Gravitated to the centers from the wings and pumped out with the main pumps
During the period of March and April each year salmon fishery is carried on ______ drift nets within 10 miles of the coast of Gotland.A.withB.byC.underD.Use
Rubbish can be thrown into the water （）.A、in a harbourB、in any placeC、25 miles off the landD、10 miles off the land
有多少节锚链在外？（）A、How many shackles are out ?B、How much shackles are out ?C、How much cable is out ?D、How many cable is out ?
单选题In the closed cooling system, the water （）.Ais made to circulate out of the systemBis made to circulate within the systemCis made circulate within the systemDis made circulate out of the system
单选题The following measures can be used to improve oily water separator’s separating effect except （）Aoverhauling every two yearBworking at intervalsCrenewing filtration materialDpumping bilge water from different layers respectively
单选题Permission is kindly requested（）the ballast water.Apump outBto pump outCpumping outDbe pumped out
单选题The oil （） in the discharging water from oil water separator exceeds 15 PPM without alarm, because the coil was burnt out.AfilterBholeCpollutionDcontent
单选题Which of the equipment listed is most effective in processing bilge slops for overboard discharge?（）A100PPM oily water separatorBAssembling the lube oil purifier as a separator and aligning bilge overboardCA 15PPM oily water separatorDA magnetic duplex strainer
单选题A new ocean going ship of 2000 gross tons having an inoperative oily water separator may dispose of its bilge slops by （）.Aholding its slops onboard until they can be pumped into the city sewer systemBcirculating them through the lube oil purifier to remove water and debrisCholding its slops onboard until they can be discharged to a shore side reception facilityDpumping them into a settling tank for separation before pumping the oily water residue overboard
单选题How many PPM of the oily water can be pumped out within 12 miles along the China coast line?（）.Aat least 15 PPMBabout 15 PPMCup to 15 PPMDno less than 15 PPM
单选题With a vacuum boiling evaporator, the remainder of sea water fed to the evaporator is pumped out by （）.Aa brine pumpBan air ejectorCa feed pumpDdistillate pump
单选题The Benguela Current flows in a（）.ASW'ly direction along the NW coast of AfricaBS'ly direction off the East Coast of AustraliaCNW'ly direction along the SW coast of AfricaDSW'ly direction along the SE coast of Greenland
单选题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.Awith dirty waterBwith clean waterCby oily waterDby mixed water
单选题In a vacuum boiling evaporator, the fresh water generated is pumped out by （）.Aa brine pumpBan air ejectorCa feed water pumpDa condensate pump
单选题Bilges may be pumped （）.Aon the outgoing tideBoverboard after darkCoverboard through an oily water separatorDanytime in an emergency, i-emain engine lube oil failure
单选题（）are used to ensure that ships don’t discharge oil when pumping out oily water from any oil contaminated space.ABoilerBIncineratorCOily water separatorDSewage treatment unit
单选题If separating effect is not good, we can improve it by （）Aflushing separator with hot waterBincreasing water supply flowCheat oily water properlyDopening manual oil discharge value
单选题In which case is the IOPP Certificate of an inspected vessel NOT invalidated? （）AThe required oily-water separator malfunctionsBThe ship is transferred to Liberian registryCAn annual survey is conducted fifteen months after the date of certificate issuanceDA 15 ppm oily-water separator is replaced by a 100 ppm oily-water separator
单选题Rubbish can be thrown into the water （）.Ain a harbourBin any placeC25 miles off the landD10 miles off the land