单选题Increasing the area of the anchor flukes will（）.A increase holding powerB decrease holding powerC make penetration more completeD not effect holding power

The angle at which the anchor flukes penetrate the soil is the ______.

A.burial angle

B.penetration angle

C.fluke angle

D.holding angle

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

“The anchor was heaved aweigh” means ________

A.“The anchor was let go”

B.“The anchor was foul”

C.“The anchor was clear of the bottom”

D.“The anchor leading abeam”

While you are at anchor，what will serve as a positive warning that you are drifting towards the wrecks located to the NW and SW of your 2215 position ________．

A.A decreasing reading on loran pair 9960-X

B.The bearing of Wolf Trap Light changing to the right

C.Increasing soundings

D.The bearing of Wolf Trap Light changing to the left

Increasing the area of the anchor flukes will ______．

A.Increase holding power

B.Decrease holding power

C.Make penetration more complete

D.Not effect holding power

The fluke angle of an anchor system is the angle between the ______.

A.flukes and the shank

B.shank and the sea bottom

C.mooring line and the sea bottom

D.flukes and the shackle

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

They should take care of（锚链）___to ensure that they are in normal condition.

A.anchor chains

B.anchor ball

C.anchor gear

D.anchor ring

What provides little or no indication that a vessel is dragging anchor ________．

A.Increasing radar range to a fixed object ahead

B.Drift lead with the line leading perpendicular to the centerline

C.Vibrations felt by placing a hand on the cable

D.Changing bearings to distant fixed objects abeam