A.beats
B.beasts
C.bacons
D.battens
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A.swivel
B.cathead spool
C.drawworks
D.stand pipe
A.a not knowing
B.an unknowing
C.an unknown
D.a not known
A.boss
B.knuckle
C.skeg
D.strut
A.Safe working load
B.Ship's working lift
C.Starboard wing lift
D.Stress，weight，load
A.articulated anchor
B.Flipper Delta anchor
C.Baldt anchor
D.Danforth anchor
A.Globe valve
B.Butterfly valve
C.Gate valve
D.Packless valve
A.cargo pump pressure gauges
B.crossover lines interconnecting two pumps
C.suction side of pumps
D.atmosphere through pump vents
A.fairlead
B.heaving line
C.stay
D.warp
A.once each crankshaft revolution
B.twice each crankshaft revolution
C.every other crankshaft revolution
D.every fourth stroke
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
最新試題
The connected joints of pipe，usually made of three joints of pipe approximately 90 feet long，racked in the derrick when making a trip are called a（）.
The exhaust pipe must be gas tight throughout its entire length otherwise（）.
Static electricity may be built up by the（）.
Limit switches are used on which davits?（）
An LWT anchor often has difficulty tripping in（）.
In the piping systems of a vessel，what type of valve gives the least resistance to fluid flow when fully open?（）.
Each cylinder in a two stroke cycle engine experiences combustion（）.
Centrifugal pumps have what advantage(s) over reciprocating pumps?（）.
The holding capability of an anchor is primarily determined by the（）.
An integral part of a blowout preventer that serves as the closing element on an open hole，and whose ends do not fit around the drill pipe but seal against each other and shut off the space below completely is the（）.