单选题What is the most vulnerable part of the fire main system on board an offshore rig?()AThe fire pumpBExposed hard pipingCThe hydrant valveDThe fire hose
单选题
What is the most vulnerable part of the fire main system on board an offshore rig?()
A
The fire pump
B
Exposed hard piping
C
The hydrant valve
D
The fire hose
参考解析
解析:
暂无解析
相关考题:
单选题The () of the diesel oil must not exceed 120 degree Fahrenheit.AtemperatureBpressureCacid valueDviscosity
单选题A number of biological sewage treatment plants are in use at sea but nearly all work on what is called the extended aeration processBasically the consists of oxygenating the liquor by bubbling air through itAccording to the above two sentences, the word "this" means ().Aa sewage treatment plantBthe extended aeration processCthe liquorDthe bubbling air
单选题如果海岸电台在MF/HFDSC设备上收到遇险警报,一般应该在()分钟之内给予确认,原因是()。A2分45秒之内,2分45秒之后遇险船舶附近船只将给予确认B2分45秒之内,3分之后遇险船舶附近船只将给予确认C3分之内,3分之后遇险船舶附近船只将给予确认D1分之内,2分45秒之后遇险船舶附近船只将给予确认
单选题A splice that can be used in running rigging,where the line will pass through blocks,is a().Ashort spliceBlong spliceCback spliceDspindle splice
单选题To minimize corrosion, fuel oil strainer disks, spacers and scraper blades are made of ().AbrassBcopperCironDmonel metal or stainless steel
单选题An inland oil barge must have equipment available to remove an on-deck oil spill of at least().Aone barrelBtwo barrelsCfive barrelsDten barrels
单选题In a unit injector the amount of fuel that will be forced through the spray nozzle on each stroke of the plunger depends on ()Athe pump supply pressureBthe slope of the fuel camChow the plunger is rotatedDthe number of sleeve segments engaged with the rack
单选题After successful commissioning, the()will permit the SES access to system.AINMARSATBIMOCMSCDCES
单选题As the plunger moves upwards in the barrel, injection will commence once the plunger has () the spill ports and the pressure builds up.Aopened upBclosed offClined upDtaken off
单选题当某一中途港货过多装于中部某一货舱内时,船舶在卸货港将产生()。A较大中拱变形B较大中垂变形C较小中拱或中垂变形DA、C均可能