When dropping anchor，you are stationed at the windlass brake．The most important piece（s）of gear is（are）（）.

A . charted depth of water only B . depth of water，including tidal differences C . time and date of anchoring D . type of anchor being used

A . anchor using both anchors B . anchor with scope of 8 or more to 1 C . use a stern anchor D . fit a crown strap and work wire to the anchor

A . chain-wire B . chain-manila C . chain-nylon D . all chai

A . the same ratio B . more chain for each fathom of depth C . less chain for each fathom of depth D . two anchors with the same ratio of chai

A . the vessel has enough room to swing while at anchor B . the anchor flukes bite into the ocean bottom C . there is sufficient weight from the anchor and chain to prevent dragging D . there is more chain out than there is in the chain locker

A . All wing voids and rakes are pumped dry before tying off the barge B . The barge is moored next to the bank where it will be protected from a possible collision C . The barge is under the care of a watchman D . A rake end is facing upstream to minimize the effect of current on the mooring line

A . five to seven times the depth of water B . seven to ten times the depth of water C . twice the depth of water D . twice the depth of water plus the range of tide

A . when the tablespace is online B . when the tablespace has segments with data in it C . when the tablespace is a default permanent tablespace for the database D . when the tablespace contains a table that is currently being used by transactions E . when the tablespace contains undo data that is needed to rollback an uncommitted transactio

A . keep the liferaft from capsizing B . navigate against the current C . keep personnel from getting seasick D . stay in the general locatio

A . underway B . making way C . dead in the water D . a power driven vessel

A .  All the objects of scott are moved to the Recycle Bin. B .  Any objects in the Recycle Bin belonging to scott are purged. C .  All the objects owned by scott are permanently dropped from the database. D .  All the objects of scott in the Recycle Bin must be purged before executing the DROP command. E .  Any objects in the Recycle Bin belonging to scott will not be affected by the above DROP command.

A . Immediately following statement execution  B . After the ALTER TABLE DROP UNUSED COLUMNS command is issued  C . After the ALTER TABLE SET UNUSED COLUMN command is issued  D . After the ALTER TABLE MODIFY command is issued

A . The minimum data rate is not set to 11 Mbps. B . An address resolution protocol is enabled. C . Publicly Secure Packet forwarding is enabled. D . The access point is set to the least congested channel.

A . Publicly Secure Packet forwarding is enabled. B . The minimum data rate is not set to 11 Mbps. C . An address resolution protocol is enabled. D . The access point is set to the least congested channel.

A . All the objects of scott are moved to the Recycle Bin. B . Any objects in the Recycle Bin belonging to scott are purged. C . All the objects owned by scott are permanently dropped from the database. D . All the objects of scott in the Recycle Bin must be purged before executing the DROP command. E . Any objects in the Recycle Bin belonging to scott will not be affected by the above DROP command.

A . amount of chain lying along the bottom increases B . length of the catenary is reduced C . mooring line tension is increased D . amount of chain lying along the bottom decrease

A . The minimum data rate is not set to 11 Mbps. B . An address resolution protocol is enabled. C . Publicly Secure Packet forwarding is enabled. D . The access point is set to the least congested channel.

A . publicly secure packet forwarding is enabled. B . the minimum data rate is not set to 11 mbps. C . an address resolution protocol is enabled. D . the access point is set to the least congested channel.

A . Mirror B . Rogue Detector C . Sniffer D . Monitor

A . pelican hook B . connecting link C . shackle D . retaining hook

A . taut and leading forward B . slack C . leading out perpendicular to the centerline D . leading under the hull

对 错

是 否

A．in on B．on at C．in at D．at on