单选题Most drill ships and barges have a walled opening below the derrick，open to the water’s surface and through which various drilling tools can pass down to the sea floor called a （）.Amoon poolBspider deck openingCpontoonDkeyway
单选题
Most drill ships and barges have a walled opening below the derrick，open to the water’s surface and through which various drilling tools can pass down to the sea floor called a （）.
A
moon pool
B
spider deck opening
C
pontoon
D
keyway
参考解析
解析：
暂无解析
相关考题：
I have collected lots of stamps,()are given by my friends. A、most of themB、most of whichC、most of thatD、most of what
The Port Authorities, in accordance with the IMO resolutions have been carrying out _____ to enhance safety of ships.A.CPPB.FPPC.FSCD.PSC
A frame with two，or sometimes four，arms through which are threaded the guidelines and which is used to keep the drill stem and bit in line with the center opening in the temporary guide base is the ______.A.drill stem guideB.guide frameC.drill string frameD.casing guide
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 ______.A.heavy-walled drill pipeB.tool jointC.down hole toolD.drill collar
Which statement about ships operating in ice is FALSE ________．A.Light and partly loaded ships should be ballasted as deeply as possibleB.In brash-filled channels，operating with a shallow draft forward is most effectiveC.Traditionally，operating ships light in the ice has been effective in the springD.Good searchlights should be available in the event of night navigation with or without icebreaker escort
__________ the new restaurant's grand opening was later than anticipated,most critics agreed that the excellent food and service were worth the wait.A.althoughB.otherwiseC.despiteD.until
很多船上在每个舱口处都有两个吊杆及两台起货机。（）A、Many ships have two derricks at each hatch.B、Many ships have two winches at each hatch.C、Many ships have two derricks and two winches at each hatch.D、Many ships have two derricks and two winches at each hatch cover.
单选题Most drill ships and barges have a walled opening below the derrick，open to the water’s surface and through which various drilling tools can pass down to the sea floor called a （）.Amoon poolBspider deck openingCpontoonDkeyway
单选题In context, which of the following revisions of the underlined portion of sentence 12(reproduced below) is most effective at making it clearer and more specific?Unfortunately, many students today don’t have time for that.Atoday have hardly even 1 hour for such thingsBtoday, unlike those in Archimedes’ time, don’t have time to go to the moviesCtoday don’t have time for such excursionsDof modern times lack sufficient time for the kinds of things explained aboveEtoday lack sufficient time for things like this
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Explosive and flammable gasses are most likely to be encountered on a vessel（）.Aat any locationBon the drill floor and liquid mud handling areasCin bulk storage tanksDin machinery spaces
单选题Two barges are being pushed ahead by a tugboat.Which statement is TRUE concerning lights on the barges（）.AEach vessel should show sidelightsBEach vessel should show at least one white lightCThe barges should be lighted as separate unitsDThe barges should be lighted as one vessel
单选题Some ships have special duties, such as（）（驳船）.Aliquid cargo shipsBgeneral cargo shipsCbargesDtugs
单选题（）is an opening for supplying seawater to condensers, pumps,etclocated in the hull below the waterline and having means for the attachment of associated piping.ASEA CHESTBSCUPPERCSCUTTLEDSEA PORT
单选题A frame with two，or sometimes four，arms through which are threaded the guidelines and which is used to keep the drill stem and bit in line with the center opening in the temporary guide base is the（）.Adrill stem guideBguide frameCdrill string frameDcasing guide
单选题As a rule，ships of most configurations，when drifting in calm water with negligible current，will lie（）.Abow to the windBbeam to the windCstern to the windDwith the wind on the quarter
单选题Reform and opening-up have brought about profound changes to the lives of the Chinese.AdrasticBdenseCdiverseDdigital
单选题When using a high-velocity fog stream in a passageway，the possibility of a blow back must be guarded against. Blow back is most likely to occur when（）.Apressure builds up in the nozzle which causes a surge of waterBthe only opening in a passageway is the one from which the nozzle is being advancedCpressure in the fire hose drops below 100 psiDa bulkhead collapses due to heat and pressure
单选题The emergency generator or emergency battery is connected to（） on most large ships.Adistribution boardsBsection boardsCemergency switch boardsDmain switch boards
单选题A face line is used to（）.Aprevent barge movement in a lockBsecure two barges end-to-endCsecure barges to the towboatDsecure barges side-by-side
单选题Which type of ships as below isn’t subject to Enhanced Survey Program (ESP)?（）ANon-sea-going shipsBLiquefied gas carriersCBulk carriers, including ore carriersDEdible oil tankers
单选题Excessive oil foaming in the crankcase of a refrigeration compressor is most likely to occur（） when the compressor.Ahas continuously for a long periodBsuction pressure is below normalCoil level is below normalDstarts after a long idle period
单选题Under the provisions of applicable international conventions, ships entitled to fly the flag of a Party are subject, while in the port of a Party, to control by officers duly authorized by the Party Ships of non-parties or below convention size shall be given （）.Amore favorable treatmentBless favorable treatmentCno more favorable treatmentDthe most favorable treatment
单选题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（）.Ashear ramBblind ramCpipe ramDannular ram