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The maximum pressure developed by a waste heat boiler is determined by the main engine exhaust ______.
A.gas composition
B.gas temperature
C.pressure
D.timing
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更多 “ The maximum pressure developed by a waste heat boiler is determined by the main engine exhaust ______.A.gas compositionB.gas temperatureC.pressureD.timing ” 相关考题
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单选题Which of the following items is necessary for all waste heat boiler installations, regardless of design or manufacturer? ()A
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A separate means to prevent feed-water contaminationC
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单选题Due to the large amount of heat picked up by the air in boiler and engine rooms, it would be () to maintain ambient conditions within the comfort zone by air conditioning.A
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单选题An exhaust gas bypass is installed on a waste heat boiler in order to ().A
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bypass a portion of the exhaust gas at peak loads for better efficiencyC
recycle exhaust gas to the turbochargerD
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单选题The diesel engine exhaust gas bypass, as fitted with some waste heat boilers, is installed to ()A
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单选题Diesel engine waste heat boiler construction is usually of the fire-tube or()A
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单选题The maximum pressure developed by a waste heat boiler is determined by the main engine exhaust ().A
gas compositionB
gas temperatureC
pressureD
timing
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单选题Exhaust pipes for separate diesel engines can be combined only when ()A
space limitations prevent separately run pipesB
the engines are small auxiliary unitsC
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a waste heat boiler is installed
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decrease the velocity of gases flowing past the tubesB
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direct the flow of gases
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the smoky exhaustC
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单选题In motor ship, () is often used to recover some of the heat carried in the exhaust gases from the main engine.A
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a waste heat boilerC
a fresh water generatorD
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reduce engine back pressureC
recover heat which otherwise would be lostD
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reduce engine exhaust noiseB
reduce engine back pressureC
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单选题The starting air bottle should be pumped up to maximum pressure by the () before start of the engine.A
air compressorB
refrigeration compressorC
vacuum pumpD
purifier
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