charted depth of water only
depth of water,including tidal differences
time and date of anchoring
type of anchor being used
第1题:
The best method of protecting that portion of a fiber anchor line nearest the anchor from chafing on the bottom is by ______.
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
第2题:
when the anchor is heaved out of water and just above it, what do you report?
第3题:
The best method of determining if a vessel is dragging anchor is to note ______.
A.the amount of line paid out
B.how much the vessel sheers while at anchor
C.any change in the tautness of the anchor chain
D.changes in bearings of fixed objects onshore
第4题:
In order to pay out or slack a mooring line which is under strain, you should ______.
A.sluice the line
B.surge the line
C.stopper the line
D.slip the line
第5题:
When landing a lifeboat through heavy surf with a strong current running parallel to the beach(from right to left when facing from seaward)the recommended procedure is to______.
A.approach while coming to the left to take advantage of the current
B.drop an anchor outside the surf line,then pay out anchor line over the bow while the seas carry the boat toward the beach
C.approach slow enough so that the boat can be brought around to meet breaking seas on the bow
D.rig a drogue with tripping line over the bow,back ashore with drogue tripped between breakers
第6题:
To “EASE” A LINE means to ___ .
A.cast off
B.double up so that one line does not take all the strain
C.pay out line to remove most of the tension
D.slack it off quickly
第7题:
You are proceeding down a channel and lose the engine(s).You must use the anchors to stop the ship.Which statement is true ________.
A.Pay out all of the cable before setting up on the brake to insure the anchors dig in and hold
B.For a mud,mud and clay,or sandy bottom pay out a scope of 5 to 7 times the depth before setting up on the brake
C.Use one or both anchors with a scope of twice the depth before setting the brake
D.Drop the anchor to short stay and hold that scope
第8题:
The best method to stop a vessel from dragging anchor in a sand bottom is to ______.
A.reduce the length of the cable
B.pay out more anchor cable
C.back the engines
D.swing the rudder several times to work the anchor into the bottom
第9题:
In determining the scope of cable to be used when anchoring, what would NOT be considered__________.
A.Depth of the water
B.Character of the holding ground
C.maintenance cost for the chain
D.Type of anchor cable
第10题:
In determining the scope of anchor line to pay out when anchoring a small boat, one must consider the ______.
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