单选题All items such as steam pipes, exhaust pipes and fittings which, because of their location and operating temperature, present a hazard should be adequately lagged.That means the items should（）Anot be put into operation too earlyBbe pay adequate attention toCbe used only when necessaryDbe coated with certain material
单选题
All items such as steam pipes, exhaust pipes and fittings which, because of their location and operating temperature, present a hazard should be adequately lagged.That means the items should（）
A
not be put into operation too early
B
be pay adequate attention to
C
be used only when necessary
D
be coated with certain material
参考解析
解析：
暂无解析
相关考题：
Which of the following is NOT mentioned in this passage?A.There may be oil vapor in the engine roomB.Pipes and fittings may be damaged if explosion takes placeC.The cooler should be drainedD.Bursting caps must be fitted
During the PSC inspection, under the provision of SOLAS74, which one may not be regarded as clear grounds for ships' detainment?A.excess amount of oily-water mixtures in bilgesB.insulation of piping including exhaust pipes in engine room contaminated by oilC.improper operation of bilge pumping arrangementsD.paint peeling off the uptake
In the event of the cylinder starting valve leakage ______would pass into the air pipes and ignite the oil deposited.A.cooling waterB.vapor from the boilerC.starting airD.hot gases
单选题（）(耐热漆) are for radiators and pipes and for the ship’s funnel.AVarnishBAnti-corrosive paintsCHeat-resistant paintsDAnti-fouling paint
单选题The lubricating pipes and dusts should be blown out with （）.AatmosphereBthe fresh waterCcompressed airDchemical compounds
单选题（）are for radiators and pipes and for the ship’s funnel.AVarnishesBAnti-corrosive paintsCHeat-resistant paintsDPrimer
单选题All items such as steam pipes, exhaust pipes and fittings which, because of their location and operating temperature, present a hazard should be adequately lagged.That means the items should（）Anot be put into operation too earlyBbe pay adequate attention toCbe used only when necessaryDbe coated with certain material
单选题One characteristic of a pulse type turbo-charging system is（）Ahigh average exhaust manifoldBgreatly fluctuating inlet manifold pressureCconstant exhaust manifold pressureDmultiple exhaust pipes to the turbocharger
单选题What is NOT a function of the steam drum of a marine water-tube boiler（）.AReceives saturated steam from the generating tubesBServes as a reservoir of boiler feed waterCHolds internal fittings for separation of moisture from steamDCollects steam exhausted from the turbines
单选题Pipes made of plastic are now widely used in building as they are light and do not become （）in water.AripeBinstantCrottenDmature
单选题Engine room fires have been started by neglected oil leaks dripping on to hot pipes or exhaust manifolds （） insulation has not been replaced after maintenance.AwhichBwhenCwhoseDwhat
单选题Safety is dependent on orderliness and cleanlinessOrder may be maintained by （）Astoring all items in an assigned placeBstoring all items in a common storage container except those ready-for-seaCtagging all items according to their age and then storing them togetherDdisposing of worn-out items
单选题（） provide the water to the pistons.APneumatic pipesBHydraulic pipesCTelescopic pipesDOperating gas pipes
单选题Large pipes or （） are fitted between the steam and water drums to ensure good natural circulation of water.Afire-tubesBfurnacesCdown-comersDsoot-blowers
单选题During the PSC inspection, under the provisions of SOLAS 74, which one may not be regarded as clear grounds for ships’ detainment?（）Afailure of the proper operation of emergency generatorBinsulation of piping including exhaust pipes in engine room contaminated by oilCimproper operation of bilge of bilge of bilge pumping arrangementsDdamaged sanitary pump
单选题Exhaust pipes for separate diesel engines can be combined only when （）Aspace limitations prevent separately run pipesBthe engines are small auxiliary unitsCthey are arranged to prevent gas backflow to each engineDa waste heat boiler is installed
单选题Emulsion oils and sodium nitrite are both approved additives, but the latter cannot be used if any pipes are （） or if any soldered joints exit.AchromedBweldedCgalvanizedDbolted
单选题Emulsion oils and sodium nitrite are both approved additives, but （） cannot be used if any pipes are galvanized or if soldered joints exist.Athe latterBlatterCformerDthe former
单选题Main steam and exhaust pipes for winches and similar gear shall not pass through crew accommodation nor, whenever technically possible, through alleyways leading to crew accommodation; where they do pass through such alleyways, they shall be adequately （）.Aventilated and taggedBventilated and cooled downCinsulated and encasedDinsulated and warmed up
单选题During the PSC inspection, under the provisions of SOLAS 74, which one may not be regarded as clear grounds for ships’ detainment?（）Afailure of the proper operation of the main steering gearBfailure of the proper operation of electrical installationsCleakage of domestic water pumpDinsulation of exhaust pipes in engine room contaminated by oil
单选题During the PSC inspection, under the provisions of SOLAS 74, which one may not be regarded as clear grounds for ships’ detainment?（）Aexcess amount of oily-water mixtures in bilgesBinsulation of piping including exhaust pipes in engine room contaminated by oilCimproper operation of bilge pumping arrangementsDthere were an actual emergency
单选题The boiler is fired （） the demand for steam exceeds that available from exhaust gas heating.AwheneverBhoweverCwhereverDwhether
单选题What should you set the Client Configuration to when configuring the ODBC Data Source for the Database Subsystem?（）ATCP/IP BMultiprotocol CNamed Pipes DNWLink IPX/SPX
单选题Large pipes or down-comers are fitted between the steam drum and （） to ensure good natural circulation of water.Afire-tubesBfurnacesCwater drumsDwater wall tubes
单选题It is usual to identify the fluids in pipes by bands of paint at intervals, and the engineer should familiarize himself with the code in use.According to the above sentence, which of the following statements is true?（）APeople can know the types of fluids in pipes by feeling with handsBThere are series of rings painted in the pipes to show various fluidsCEngineers should wear cards standing for ranksDEngineer knows his own code very well