單項(xiàng)選擇題When you are transferring fuel oil to the setting tanks, precautions to be observed should include ()

A.plugging gooseneck tank vents to prevent accident overflow
B.maintaining a high transfer rate until a slight trickle of oil is observed flowing from the overflow line
C.sounding the tanks frequently and reducing the transfer rate as the level approaches maximum fill
D.maintaining a supply of chemical dispersant to cleanup minor oil spills adjacent to the ship


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1.單項(xiàng)選擇題Heavy fuel oils generally have an upper average ash content of 0~1% by weight.Which of the following conditions could be expected if the ash content increase above this amount?()

A.Glazing of the cylinder liners
B.Increase valve wear
C.Excessive oil pumping
D.Increase fuel consumption

2.單項(xiàng)選擇題The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated ()

A.for atomizing
B.for centrifuging
C.in a storage tank
D.in the re-circulating line

3.單項(xiàng)選擇題The temperature of the fuel oil received during bunkering operation is critical in determining the ()

A.expansion space to leave in a tank
B.flash point at which the fuel will burn
C.temperature to which the fuel must be heated
D.rate at which the fuel can be pumped during transfer operations

5.單項(xiàng)選擇題Bunkering shall be terminated if there is a ()

A.severe electrical storm
B.fire on the pier
C.fire on the ship
D.any of the above

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