decreases
increases
remains the same
has no relation to the scope
第1题:
You are planning to anchor in an area where several anchors have been lost due to fouling.As a precaution,you should ______.
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
第2题:
You are anchoring in 16 fathoms of water.On a small to medium size vessel,the ______.
A.Anchor may be dropped from the hawse pipe
B.Anchor should be lowered to within 2 fathoms of the bottom before being dropped
C.Scope should always be at least ten times the depth of the water
D.Scope should always be less than 5 times the depth of the water
第3题:
The safety stopper that prevents the anchor cable from running free if the cable jumps the wildcat is the ______.
A.riding pawl
B.devil's claw
C.buckler plate
D.spill pipe
第4题:
Your anchor is caught under a rock .Your anchor may be ().
第5题:
If you shorten the scope of anchor cable, your anchor’s holding power ______.
A.decreases
B.increases
C.remains the same
D.has no relation to the scope
第6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7题:
By paying out more anchor cable, you ______.
A.decrease the holding power of your anchor
B.decrease the swing of your vessel while at anchor
C.increase the holding power of your anchor
D.increase the possibility that your vessel will drag anchor
第8题:
You are entering port and have been instructed to anchor,as your berth is not yet available.You are on a SW'ly heading,preparing to drop anchor,when you observe the range lights as shown on your starboard beam.You should ______.
A.not drop the anchor until the lights are in line
B.ensure your ship will NOT block the channel or obstruct the range while at anchor
C.drop the anchor immediately as the range lights mark an area free of obstructions
D.drop the anchor immediately as a change in the position of the range lights will be an indication of dragging anchor
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:
Chain stopper
Devil's claw
Hawse ratchet
Riding pawl