After deploying the anchor，a permanent chain chaser is（）.

A . An amount equal to the depth of the water B . Two times the depth of water C . Three to four times the depth of water D . Five to seven times the depth of water

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 . chain lifter B . winch barrel C . slewing rim D . warping dru

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

A . Stop the engines B . Escort the pilot to the accommodation ladder C . Plot the vessel's position on the chart D . Make a round of the weather deck

A . Chain stopper B . Devil's claw C . Hawse ratchet D . Riding pawl

A . weight of cable to weight of vessel B . weight of cable to weight of anchor C . length of anchor to depth of water D . length of cable to depth of water

A . Using a small scope ratio B . Replacing that portion with a short length of chain C . Using a hockle to keep that portion of the anchor line off the bottom D . Using a synthetic line

A . The bow type shackle provides a superior connection B . The D-type shackle is weaker than the bow type C . The bow type shackle is weaker than the D-type D . The D-type shackle provides an inferior connectio

A . broaching the anchor B . shifting the anchor C . walking the anchor D . weighing the anchor

A . broaching the anchor B . shifting the anchor C . walking the anchor D . weighing the anchor

A、Cranes B、Winches C、Capstans D、Windlass

A . bower anchors B . kedge anchors C . spare anchors D . stream anchor

A . Drop the starboard anchor short with about one shot of chain B . Sheer out to starboard using the rudder，then drop the starboard anchor with about four shots of chain C . Put the engines slow ahead to help the anchor D . Veer out more chain on the port anchor

A、decreases B、increases C、 remains the same D、has no relation to the scope

A . prevent fouling of the anchor B . decrease swing of the vessel C . prevent dragging of the anchor D . reduce strain on the windla

A . aweigh B . weight C . weigh D . weighing

A . 0 degrees B . 10 degrees C . 20 degrees D . 30 degree

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

A . displacement tonnage B . weight forces C . buoyancy forces D . environmental force

A . maximum sustained vertical load an anchor will resist before dragging B . maximum sustained horizontal load an anchor will resist before dragging C . maximum sustained vertical load an anchor will resist before the mooring line breaks D . maximum sustained horizontal load an anchor will resist before the mooring line break

A . steering gear B . windlass C . deck crane D . warping drum