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单选题
Whenever visible traces of oil are observed on or below the surface of the water in the immediate vicinity of ship or its wake,Governments of Parties to the Convention should,to the extent they are reasonably able to do so,promptly()the facts bearing on the issue of whether there has been a violation of the provisions of this Regulation or Regulation 10 of this Annex of MARPOL 73/78.
A
observe
B
investigate
C
see
D
look
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更多 “单选题Whenever visible traces of oil are observed on or below the surface of the water in the immediate vicinity of ship or its wake,Governments of Parties to the Convention should,to the extent they are reasonably able to do so,promptly()the facts bearing on the issue of whether there has been a violation of the provisions of this Regulation or Regulation 10 of this Annex of MARPOL 73/78.A observeB investigateC seeD look” 相关考题
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Oil fires are best extinguished by ______.A.cutting off the supply of oxygenB.removing the fuelC.cooling below the ignition temperatureD.spraying with water
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单选题An amplitude of the Sun in high latitudes().A
is most accurate before sunriseB
is most accurate after sunsetC
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gasketC
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单选题In evacuation from a ship,an individual without the option of a survival craft or liferaft should enter the water on the leeward side,except when().A
there is burning oil on the waterB
there is a rescue craft in the areaC
water temperature is below 40°FD
a rigid survival craft is in the area
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单选题()is not an advice be observed when samples are taken in tanks containing volatile petroleum products.A
Filter masks with a combination filter should be brought and used whenever necessaryB
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单选题In a marine diesel engine the oil sump is ().A
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the oil cup for the exhaust valveC
the pan for collecting drain fuel oilD
oil circulating pump
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单选题If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the ().A
compression pressures are below normalB
lube oil is diluted with fuel oilC
cranking speed is too lowD
exhaust system is partially restricted
考题
单选题As an extinguishing agent,foam().A
conducts electricityB
should be directed at the base of the fireC
is most effective on burning gases which are flowingD
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考题
单选题Oil fires are best extinguished by().A
cutting off the supply of oxygenB
removing the fuelC
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考题
单选题When an oil fire has been extinguished, the surface of the oil should be kept covered with foam to prevent ().A
air from contacting the oil vaporsB
permitting re-ignition boiling of the heated oilC
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toxic fumes from escaping to the surface
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考题
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operation within the explosive rang of the fuelC
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考题
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speed droopB
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考题
单选题Which type of ships as below isn’t subject to Enhanced Survey Program (ESP)?()A
Non-sea-going shipsB
Liquefied gas carriersC
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考题
单选题Excessive oil foaming in the crankcase of a refrigeration compressor is most likely to occur() when the compressor.A
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考题
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The heating steam must be secured before the diesel oil passes through the three-way valve
考题
单选题0ne of the limitations of foam as an extinguishing agent is that foam().A
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is heavierthan oil and sinks below its surfaceC
is corrosive and to fire fightersD
conducts electricity
考题
单选题Which operation may cause the pressure in an inert tank to fall below the prescribed limits().A
LoadingB
DischargingC
Crude oil washingD
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