When you are transferring fuel oil to the setting tanks, precautions to be observed should include （）
1、Fuel oil transfer systems used onboard
Fuel oil transfer systems used onboard diesel propelled vessels are required to have （）.Atwo fuel oil transfer pumps provided where one is to...
2、Machinery driving fuel oil transfer an
Machinery driving fuel oil transfer and fuel oil service pumps must be fitted with a remote means of stopping the machinery from （）.Awithin the space concernedBoutside the space concernedCthe throttle stationDwithin the fire room
3、When are you allowed to throw plastic
When are you allowed to throw plastic garbage overboard?（）ABeing mroe than 25 miles from shoreBOnly at night when it‟s darkCBeing more than 6 miles from shoreDNever
4、When fuel oil is accidentally missed
When fuel oil is accidentally missed with lube oil which of the following processes can be used to separate them?（）Ⅰ.filteringⅡ.settlingAⅠ onlyBⅡ onlyCeither Ⅰ or ⅡDneither Ⅰ or Ⅱ
5、Heavy fuel oils when spilled are（）.
Heavy fuel oils when spilled are（）.Amore harmful to sea life than lighter oilsBeasier to clean up than lighter refined oilsCless harmful to sea life than lighter oilsDnot a real threat to marine life
6、When centrifuging heavy fuel oil, an
When centrifuging heavy fuel oil, an important factor to consider is the （）(1) flow rate(2) viscosity of the fuel oilA(1) only is correctB(2) only is correctCboth (1) and (2) are correctDneither (1) or (2) are correct