下管pipe sinking
下管pipe sinking
相关考题：
TO RUN A VESSEL UPON A BEACH TO PREVENT ITS SINKING IN DEEP WATER means ______．A.GroundB.Run agroundC.Beach（to）D.Strand
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 ______．A.StringB.StandC.JointD.Standpipe
The following tells us how to reuse the used water.Which is the right order of the passage A.to have the used water filteredB.to put chemicals in itC.to pipe it to the usersD.to pipe the used water to be purified to a factory
单选题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（）.AstringBstandCjointDstandpipe
单选题“Before disconnecting the oil pipe, would you flush the oil retained in the pipe?” asked the oil barge owner （）Aby using of fresh waterBwith compressed airCby using of sea waterDwith chemical compound
单选题Which of the followings is not an indication of a bad maintenance?（）Aa pipe with welded connectionsBa pipe with several clipsCa cement boxDa leaking valve
单选题In ship operations，hoisting and lowering pipe in and out of the drilled hole is the main function of the（）.AswivelBcathead spoolCdrawworksDstand pipe
单选题The outside diameter of the pipe is （） the diameter of the bore of the piston rod, the result being that an annular space formed between the piston rod and the pipe.Aless thanBgreater thanCequal toDtwice larger than
单选题According to David Savage, _____ was a critical factor in determining people’s behavior in the sinking of these two ships.Asocial orderBplaceCinstinctDtime
单选题The pipe friction and the resistance will （） as a result of an increase in the amount of fluid flowing through the system.AreduceBriseCraiseDfall
单选题What is a spill pipe?（）AA drainage pipe that carries rain or spray from an upper deck to a lower deckBA pipe under the anchor windlass leading to the chain lockerCA chute，usually over the stern，to lead dumped garbage clear of the hullDAn opening in the deck leading outside the hull
单选题On receiving the order “Lower away”, lower the anchor（） it is clear of the hawse pipe.AuntilBtillCasDwhen