A.afford access to the shell through the double bottoms
B.collect water to be pumped out
C.provide access for the pneumercator
D.provide a base line for sounding measurements
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A.the radio apparatus fitted on the portside
B.the radio with a portable equipment
C.the radio equipment which is easily movable
D.the portable radio with some apparatus
A.radial
B.sheath-screw
C.gravity
D.quadrantal
A.shape of the anchor
B.stowage of the anchor on board
C.anchor's ability to dig in
D.size of the vessel and its draft
A.control the pressure of the oxygen as it enters the body
B.allow the wearer to manually give himself oxygen
C.release excess heat which would otherwise cause the bottle to explode
D.allow exhaled gases to pass outside the bottle
A.boss
B.knuckle
C.skeg
D.strut
最新試題
Permission is kindly requested（）the ballast water.
In relation to cargo gear，what does SWL mean?（）.
Anchors are prevented from running out when secured by the（）.
The portable radio apparatus means（）.
If a gasoline engine turns over freely but will not start，the cause is generally（）.
All electrical appliances aboard a vessel should be grounded to（）.
The function of the bypass valve on the self-contained breathing apparatus is to（）.
The most common type of davit found on merchant vessels today is the（）.
As the propeller turns，voids are formed on the trailing and leading edges of the propeller blades causing a loss of propulsive efficiency，pitting of the blades，and vibration. These voids are known as（）.
The exhaust pipe must be gas tight throughout its entire length otherwise（）.