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
您可能感興趣的試卷
你可能感興趣的試題
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
A.you are entering a space containing poisonous vapors
B.you are entering a space containing explosive gases
C.the regulator of the breathing apparatus malfunctions
D.the face piece of the breathing device is too tight
A.Crescent
B.Sheath-screw boom
C.Quadrantal
D.Radial
A.flow of petroleum through pipes
B.spraying or splashing of petroleum
C.settling of solids or water in petroleum
D.All of the above
最新試題
The C02 flooding system is actuated by a sequence of steps which are（）.
The holding capability of an anchor is primarily determined by the（）.
The most common type of davit found on merchant vessels today is the（）.
The function of the bypass valve on the self-contained breathing apparatus is to（）.
The series of valves used to control the return flow in well control operations is called the（）.
Anchors are prevented from running out when secured by the（）.
The purpose of a bilge well is to（）.
In ship construction，keel scantlings should be the greatest（）.
As oil pipe line connections were broken，（）quantity of oil was caused to spill onto the wharf and into the dock water.
The portable radio apparatus means（）.