The core(核心) item in the Oil Record Book Part I is______, and its main content is______.
A. Item A, BALLAST OR CLEANING OF FUEL OIL TANKS
B. Item B, DISCHARGE OF DIRTY BALLAST OR CLEANING WATER FROM FUEL OIL TANKS REFERRED TO UNDER SECTION(A)
C. Item C, DISPOSAL OF OIL RESIDUES(SLUDGE)
D. Item H, BUNKERING OF FUEL OIL
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“AMIDSHIPS ” refers to______.
A. Back of the vessel
B. The middle portion of a ship
C. A backward movement of a vessel
D. Across the ship, at right angles to the fore-and-aft centerline
广义的消防法规指国务院或者有立法权的地方人大及其常务委员会制定的有关消防管理的规范性文件。()
The flash point of a liquid refers to the temperature ______.
A. at which a liquid will give off inflammable（易燃的） vapors
B. at which a liquid will burn steadily
C. at which a liquid will explode
D. that a liquid must reach before it will flow readily
A circuit breaker differs from a fuse in that a circuit breaker ______.
A. melts and must be replaced
B. is enclosed in a tube of insulating material with metal ferrules(环) at each end
C. gives no visual indication of having opened the circuit
D. trips to break the circuit and may be reset
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