航海英语海上搜救章节练习(2017.12.15)

单项选择题
Releasing oil from the sea anchor of a lifeboat may（）.
A.keep the propeller from being fouled
B.increase propeller speed
C.help calm the waves in the vicinity of the craft
D.increase the holding power of the sea anchor
单项选择题
In an open lifeboat，the lifeboat compass is usually（）.
A.placed in a fixed bracket when being used
B.clamped to any position convenient for the coxswain to see it
C.permanently mounted on the lifeboat's centerline
D.mounted in the center of the boat to eliminate deviation
单项选择题
In a racetrack turn，to recover a man overboard，the vessel is steadied for the SECOND time after a turn of how many degrees from the original heading?（）
A.60°
B.135°
C.180°
D.360°
单项选择题
（）is not a search pattern.
A.Williamson Turn
B.Parallel
C.Sector
D.zig-zag maneuver
单项选择题
In which situation could a vessel most easily capsize?（）
A.Running into head seas
B.Running in the trough
C.Running with following seas
D.Anchored with your bow into the seas
单项选择题
An immersion suit must be equipped with a(n)（）.
A.air bottle for breathing
B.whistle and light
C.whistle，light，and reflective tape
D.whistle，light，and sea dye marker
单项选择题
A VESSEL，OTHER THAN A RESCUE UNIT，DESIGNATED TO CO-ORDINATE SURFACE SEARCH AND RESCUE OPERATION WITHIN A SPECIFIED AREA is known as（）.
A.Salving vessel
B.Co-ordinator surface search
C.MERSAR
D.The vessel being salved
单项选择题
A person has fallen overboard and is being picked up with a lifeboat. If the person appears in danger of drowning，the lifeboat should make（）.
A.an approach from leeward
B.an approach from windward
C.the most direct approach
D.an approach across the wind
单项选择题
Stop search and return to（）.
A.keel
B.virgin
C.origin
D.base
单项选择题
A negative metacentric height（）.
A.will always cause a vessel to capsize
B.should always be immediately corrected
C.always results from off-center weights
D.All of the above are correct