单项选择题
A.around the engine B.around the cooler C.to the expansion tank D.overboard
The concentration of total dissolved solids in the wate...
单项选择题The concentration of total dissolved solids in the water of an auxiliary boiler can increase as a result of （）.
A.seawater contamination B.frequent surface blows C.dissolved oxygen deaeration D.frequent bottom blows
The water in an auxiliary boiler should be tested for c...
单项选择题The water in an auxiliary boiler should be tested for chloride content to determine （）.
A.total dissolved solids B.salt contamination C.water hardness D.chlorine contamination
Cooling the intake air supplied to a diesel engine will...
单项选择题Cooling the intake air supplied to a diesel engine will （）.
A.reduce mean effective pressure B.decrease average compression pressure C.decrease air charge density D.increase power output
