單項選擇題When a ship in loaded condition floats at arbitrary water line, its displacement is to the relevant mass of water displaced by the ship()

A.equal
B.larger
C.smaller
D.equivalent


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1.單項選擇題Propulsion engines and the vast majority of auxiliary generator engines are designed to allow a generous through-flow of scavenge air in order to control ()

A.the lubricating oil consumption
B.the turbine blade temperature
C.the flow rate of fuel
D.scavenge air pressure

3.單項選擇題The alarm signal for engine room catching fire is a blast of random bell follow by ()

A.two knock
B.three knocks
C.four knocks
D.five knocks

5.單項選擇題In the voyage, when carrying out abandon ship drill () should be test every time.

A.the emergency lighting system for muster and abandon ship
B.air oil emergency shut-down
C.ME emergency operation
D.main auxiliary steering gear changing