A.They are less expensive B.They are smaller for equivalent pumping ability C.They pump more cargo in less time D.All of the above
A.pump out B.to pump out C.pumping out D.be pumped out
A.crow bar B.device to force a water tight door against the frame C.heavy steel beam D.wedge
A.that the fuel valve is open B.if the air supply system is open C.if the water sprinkler system is open D.if the limit switch is on
A.a not knowing B.an unknowing C.an unknown D.a not known
A.swivel B.cathead spool C.drawworks D.stand pipe
A.blind flange B.pivot coupling C.quick-release coupling D.spectacle flange
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
A.articulated anchor B.Flipper Delta anchor C.Baldt anchor D.Danforth anchor
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
