單項(xiàng)選擇題If a vessel moored at a U-Sterminal does not comply with coast guard pollution prevention regulation, it may be detained by the （）

A.Inspector general
B.Captain of the port
C.local port authority
D.state pollution board


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1.單項(xiàng)選擇題The temperature of the fuel oil received during bunkering operations 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

2.單項(xiàng)選擇題In a flash evaporator, scale as a result of higher than normal temperatures in most likely to occur in the （）

A.second stage feed heater
B.saltwater feed heater
C.distillate cooler
D.second stage vapor separator

3.單項(xiàng)選擇題Small droplets of water entrained in the flashed vapor produced in a flash-type evaporator, are removed by the （）

A.spray pipes
B.demisters
C.condensers
D.splash baffles

4.單項(xiàng)選擇題The demisters installed in a flash-type evaporator serve to （）

A.deaerate the first effect distillate
B.filter the condensed flash vapors
C.deaerate the first and second effect distillate
D.remove small water droplets entrained in the flashed vapor

5.單項(xiàng)選擇題A vacuum is initially established in the first and second stages of a low pressure evaporator by the use of （）

A.vacuum drag from the auxiliary condensate system
B.individual vacuum pumps
C.a single non-condensing air ejector
D.a two stage air ejector