A . hour
B . day
C . week
D . month
[单选题]In readying an auxiliary water-tube boiler for a routine hydrostatic test, which of the following procedures should be undertaken prior to filling the boiler with fresh water?()A . The safety valve escape piping should be disconnected from the valve
[单选题]The water in an auxiliary boiler should be tested for chloride content to determine ( ).A.total dissolved solidsB.salt contaminationC.water harcnessD.chlorine contamination
[单选题]The water in an auxiliary boiler should be tested for chloride content to determine ().A . total dissolved solidsB . salt contaminationC . water hardnessD . chlorine contaminatio
[单选题]In an auxiliary boiler steam and water system, the highest pressure will be in the ().A . steam stop valveB . dry pipeC . feedwater systemD . generating tube
[填空题] H AUXILIARY WATER TEMPERATURE TSHH-713表示()。
[单选题]I’m afraid there are people in the world who literally do not know how to b
[名词解释] 辅助给水系统/应急给水系统 auxiliary feed water system/emergency feed water system
[单选题]The procedures recommended for auxiliary boilers having high salinity include ().A . treating with oxygen scavengersB . securing the boiler and giving it a blowing downC . increasing the pHD . reducing the phosphate level
[单选题]The auxiliary engine and a cgenerator can be connected with ().A . camB . crossheadC . bulgeD . coupling
[单选题]Auxiliary boilers are divided into several classifications, one of which is ().A . water-tube supercritical circulationB . water-tube forced circulationC . fire-tube controlled circulationD . fire-tube express circulatio