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
As oil pipe line connections were broken，（）quantity of oil was caused to spill onto the wharf and into the dock water.
The purpose of a bilge well is to（）.
Cargo pump relief valves are piped to the（）.
The boat is stowed on the davit rather than on a cradle with which type of davit?（）
The portable radio apparatus means（）.
An LWT anchor often has difficulty tripping in（）.
Limit switches are used on which davits?（）
An example of a messenger is a（）.
The bypass valve on a self-contained breathing device should be opened if（）.
Permission is kindly requested（）the ballast water.