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 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.String
B.Stand
C.Joint
D.Standpipe
相关考题：
Allowances may be made for the expansion and contraction in piping by the use of expansion joints or ().A.UnionsB.Retractable flangesC.Union bulkhead fittingsD.Bends or loops in the line
A large valve，usually installed above the ram preventers，that forms a seal in the annular space between the pipe and wellbore or，if no pipe is present，on the wellbore itself is called the ______.A.annular blowout preventerB.annulusC.accumulatorD.automatic choke
What is NOT a requirement of cargo piping installed in tank vessels carrying grade D or E cargo ONLY ________．A.The cargo piping system shall be fixedB.Flanged joints shall be used for pipe sizes exceeding 2 inches in diameterC.Piping through bunker spaces may be run through a pipe tunnelD.Connections at bulkheads must be made so that the plating does not form part of a flanged joint
After riveting is completed, the joints on the shell of a vessel are generally made watertight by________.A.fayingB.caulkingC.felt or canvas packingD.red lead
单选题After riveting is completed, the joints on the shell of a vessel are generally made watertight by（）.AfayingBcaulkingCfelt or canvas packingDred lead
单选题A structure，usually made of stone，or cement pilings，which extends from the bank at approximately right angles to the current is called a（）.AdikeBrevetmentCcutoffDcrib
单选题If no gaskets are used in the piping joints of a Freon system, the joints must be（）Afinished jointsBwelded jointsCground jointsDsoldered joints
单选题A large valve，usually installed above the ram preventers，that forms a seal in the annular space between the pipe and wellbore or，if no pipe is present，on the wellbore itself is called the（）.Aannular blowout preventerBannulusCaccumulatorDautomatic choke
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When riveted joints occur at the ends of plating they are called（）.AtrailersBterminalsCseamsDbutts
单选题A heavy，thick-walled tube，usually steel，used between the drill pipe and the bit in the drill stem to weight the bit in order to improve its performance is called a（）.Aheavy-walled drill pipeBtool jointCdown hole toolDdrill collar
单选题Provision must be made in pipe systems for changes in length due to change of temperatureThe bold and italic word “provision” probably means （）.AflangesBnutsCexpansion jointsDbolts
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The most critical part of the bunkering operations, which can result in an oil spill, is when the （）Ahose joints are made upBtanks are being topped offCsystem is being lined upDpumping operation is first started
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Where tanks are arranged for either oil or ballast （） must be fitted in the pipe so that only the ballast main or the oil transfer main connected to the tank.Aa sea water chestBa change-over chestCa buffer tankDa three-way valve
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Furniture makers use glue to hold joints together and sometimes to reinforce it.AitsBfastChardDthem
单选题In usual marine applications, bellows joints are designed and fitted to accommodate straight line axial movement only and the associated piping requires adequate anchors and guides to prevent misalignmentAccording to the above sentence, which of the following statements is true?（）AThe marine bellows joints are attached in the accommodation onlyBThe bellows joints should be attached to anchorsCThe associated piping should be thrown into the water like as anchorsDThe connecting piping with the joints should be fixed firmly
单选题In order to prevent stress from being set up in the metal, expansion joints are fitted which _____ the stress by allowing the pipe to expand or contract freely.AreclaimBreconcileCrectifyDrelieve