單項(xiàng)選擇題Prior to being able to sail in a US port,each vessel that carries grain in bulk must have a certificate of loading issued by the().

A.American Bureau of Shipping
B.Lloyds of London
C.National Cargo Bureau
D.US Salvage


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1.單項(xiàng)選擇題Assuming an even transverse distribution of weight in a vessel,which condition could cause a list?().

A.Empty double-bottoms and lower holds,and a heavy deck cargo
B.Flooding the forepeak to correct the vessel's trim
C.Having KG smaller than KM
D.Having a small positive righting arm

2.單項(xiàng)選擇題Bulk cargo refers to().

A.cargo which occupies a large volume of space
B.cargo which requires refrigeration
C.cargo which is very dense
D.homogeneous cargo not enclosed in a container

3.單項(xiàng)選擇題If a vessel takes a sudden severe list or trim from an unknown cause,you should FIRST().

A.determine the cause before taking countermeasures
B.assume the shift is due to off-center loading
C.counterflood on the side opposite the list or trim
D.assume the cause is environmental forces

4.單項(xiàng)選擇題The disinfection of various compartments in a vessel by filling them with a gaseous agents to destroy rats etc.means().

A.fire drills
B.washing and cleaning
C.fumigation
D.quarantine