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
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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
A.bilge water may enter the exhaust pipe
B.entry of air may cause vapor lock
C.carbon monoxide may enter the interior of the vessel
D.the joint gaskets may be blown
A.string
B.stand
C.joint
D.standpipe
A.break glass，pull valve，break glass，pull cylinder control
B.sound evacuation alarm，pull handle
C.open bypass valve，break glass，pull handle
D.open stop valve，open control valve，trip alarm
最新試題
In ship construction，keel scantlings should be the greatest（）.
Limit switches are used on which davits?（）
The series of valves used to control the return flow in well control operations is called the（）.
An example of a modern anchor which has a stock is a(n)（）.
The rudders are amidships and both screws are going ahead. What will happen if the starboard screw is stopped?（）
In nautical terminology a dog is a（）.
In the piping systems of a vessel，what type of valve gives the least resistance to fluid flow when fully open?（）.
The most common type of davit found on merchant vessels today is the（）.
In ship operations，hoisting and lowering pipe in and out of the drilled hole is the main function of the（）.
The holding capability of an anchor is primarily determined by the（）.