When loading a container vessel，the operation is basically that of vertical loading. The important factors to be considered when loading containers are port of discharge，（）.

A . provide the proper trim B . prevent negative stability from developing C . prevent excessive longitudinal stresses D . control list

A . Bending moments B . Initial stability C . Draft D . Trim

A . RMAN will attempt to make the backup run as fast as possible without any IO limitations.  B . RMAN will automatically restrict the number of channels in use to one.  C . RMAN will spread the backup IO over the total duration stated in the backup command. D . RMAN will skip any datafile that currently is involved in an IO operation. RMAN will retry backing up the datafile later and an error will be raised at the end of the backup if the datafile cannot be backed up.  E . Datafiles will be backed up; those having the lowest current number of IO operations will be backed up first.&e

A . smoky B . a little bit dense C . visible D . almost invisible

A . javax.servlet.http.HttpSessionListener B . javax.servlet.http.HttpSessionBindingListener C . javax.servlet.http.HttpSessionAttributeListener D . javax.servlet.http.HttpSessionActivationListener

A . Frequent stability calculations required B . Thorough pre-planning required C . Limiting depths alongside berths restrict barge drafts D . Minimum trim and 0°list are required for optimum operatio

A . Ties a container stack to the deck B . Ties a container to the container below it C . Restrains racking loads D . Restrains the container against horizontal motio

A . Lashings are always required B . One container C . Two containers D . Three container

A . a subsequent temperature rise will cause the cargo to overflow B . air pockets may cause the cargo to bubble out of the ullage hole C . the increased viscosity of the product requires higher loading pressure which increases the chances of a spill D . the tank valve may be stiff and a spill will occur before the valve can be closed

A . three barrels B . four barrels C . six barrels D . eight barrel

A . one hour B . two hours C . ten hours D . four hour

A . Lashings are always required B . One container C . Two containers D . Three container

A . air quantity aspirated B . fuel injection pressure C . combustion pressure on the power stroke D . compression on the compression stroke

A . No further securing is usually required B . Containers must have vertical lashings if they do not have twist lock securing C . All containers must have vertical and horizontal lashings D . The container must be locked into the cell guide

A . Trip the pump relief valve B . Order the dock man to shut down C . Call the owner，operator，or terminal supervisor D . Run out the vessel's or terminal's fire hose

A . /etc/security/user B . /etc/security/passwd C . /etc/security/mkuser.sys D . /etc/security/mkuser.default

A . in B . at C . on D . for

A . all of the parts，dividing the load equally B . the hauling part because it must absorb the frictional losses of all the sheaves C . the parts in the movable block D . the standing part because it is directly connected to the weight

A.Available dunnage，and chocking B.Crushability，and inherent vice C.Sweat，and weight D.Weight，and refrigeration

A:对 B:错