check the liferaft's way
keep the liferaft end on to the sea
reduce the possibility of capsizing or broaching
right the raft if it inflates inverted
第1题：
if the anchor is secured firmly in sea bottom, what do you report?
第2题：
Horton Point Light ______.
A.is 14 feet above sea level
B.has a fixed green light
C.is shown from a white square tower
D.is synchronized with a radio beacon
第3题：
MOVING OF AN ANCHOR OVER THE SEA BOTTOM TO CONTROL THE MOVEMENT OF THE VESSEL defines ______.
A.Dredging ( of anchor )
B.Dragging ( of anchor )
C.Weighing anchor
D.Walking out anchor
第4题：
Sea anchor是（）
第5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6题：
A sea anchor is ______.
A.a heavy anchor with an extra long line used to anchor in deep water
B.a cone shaped bag used to slow down the wind drift effect
C.a pad eye to which the sea painter is made fast
D.made of wood if it is of an approved type
第7题：
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
第8题：
MOVING OF AN ANCHOR OVER THE SEA BOTTOM INVOLUNTARILY BECAUSE IT IS NO LONGER PREVENTING THE MOVEMENT OF THE VESSEL defines ______.
A.Dredging ( of anchor )
B.Dragging ( of anchor )
C.Weighing anchor
D.Walking out anchor
第9题：
What is a rotating item?（）
第10题：
keep the propeller from being fouled
increase propeller speed
help calm the waves in the vicinity of the craft
increase the holding power of the sea anchor