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Feed Heaters/ DC Heaters comprehensive exam 2024

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Feed Heaters/ DC Heaters comprehensive exam 2024 The unit shown in the illustration is used as the ______. See illustration SG-0025. a) high pressure feed heater b) combined low pressure feed heater c) butterworth feed heater d) flash evaporator salt water feed heater b The items labeled "D" in the illustration are the ______. See illustration SG-0025. a) low pressure drain connections b) high pressure drain connections c) low pressure vent connections d) low pressure steam supply connections a The connections labeled "D" in the illustration ______. See illustration SG-0025. a) maintain a vacuum in the shell of the feed water heater b) provide a point of admission of the steam air heater drains c) provide a point of admission of the L.P. bleed steam d) drain condensate from the feed water heater to the main condenser d

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Feed Heaters/ DC Heaters
comprehensive exam 2024

WhileXunderwayXatXsea,XtheXfeedwaterXinletXtemperatureXtoXaXboilerXeconomizerXisXdeterminedXbyXt
heX______.

a)XdewXpointXtemperatureXofXtheXstackXgases

b)XsuperheaterXinletXtemperature

c)XtemperatureXofXtheXHPXturbineXbleed

d)XdesuperheaterXoutletXtemperatureX-XANSWERXc



AXslightXvacuumXisXmaintainedXinXtheXshellXofXtheXfirstXstageXheaterXshownXinXtheXillustration.XTheXpr
imaryXreasonXforXtheXvacuumXisXtoX______.XSeeXillustrationXSG-0025.

a)XprovideXaXlowXpressureXareaXtoXguaranteeXfeedXwaterXflowXtoXtheXheater

b)XmaintainXaXpositiveXflowXofXsteamXasXsuppliedXbyXtheXmainXengineXLPXbleedXsystem

c)XforceXtheXuseXofXtheXmainXcondenserXasXtheXdrainXcooler

d)XavoidXtheXnecessityXofXhavingXtoXuseXtheXcondensateXpumpsX-XANSWERXb



TheXunitXshownXinXtheXillustrationXisXusedXasXtheX______.XSeeXillustrationXSG-0025.

a)XhighXpressureXfeedXheater

b)XcombinedXlowXpressureXfeedXheater

c)XbutterworthXfeedXheater

d)XflashXevaporatorXsaltXwaterXfeedXheaterX-XANSWERXb



TheXitemsXlabeledX"D"XinXtheXillustrationXareXtheX______.XSeeXillustrationXSG-0025.

a)XlowXpressureXdrainXconnections

, b)XhighXpressureXdrainXconnections

c)XlowXpressureXventXconnections

d)XlowXpressureXsteamXsupplyXconnectionsX-XANSWERXa



TheXconnectionsXlabeledX"D"XinXtheXillustrationX______.XSeeXillustrationXSG-0025.

a)XmaintainXaXvacuumXinXtheXshellXofXtheXfeedXwaterXheater

b)XprovideXaXpointXofXadmissionXofXtheXsteamXairXheaterXdrains

c)XprovideXaXpointXofXadmissionXofXtheXL.P.XbleedXsteam

d)XdrainXcondensateXfromXtheXfeedXwaterXheaterXtoXtheXmainXcondenserX-XANSWERXd



TheXitemsXlabeledX"A"XinXtheXillustrationXareXtheX______.XSeeXillustrationXSG-0025.

a)XlowXpressureXdrainXconnections

b)XhighXpressureXdrainXconnections

c)XlowXpressureXventXconnections

d)XlowXpressureXsteamXsupplyXconnectionsX-XANSWERXc



TheXconnectionXlabeledX"B"XinXtheXillustrationXisXusedXtoX______.XSeeXillustrationXSG-0025.

a)XmaintainXaXvacuumXinXtheXshellXofXtheXfeedXwaterXheater

b)XprovideXaXpointXofXadmissionXforXtheXsteamXairXheaterXdrains

c)XprovideXaXpointXofXadmissionXforXtheXL.P.XbleedXsteam

d)XdrainXcondensateXfromXtheXfeedXwaterXheaterXtoXtheXmainXcondenserX-XANSWERXb



TheXconnectionXlabeledX"C"XinXtheXillustration,XisXusedXtoX______.XSeeXillustrationXSG-0025.

a)XmaintainXaXvacuumXinXtheXshellXofXtheXfeedXwaterXheater

b)XprovideXaXpointXofXadmissionXforXtheXsteamXairXheaterXdrains

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  • feed heaters dc heaters comprehensive exam 2024
  • while underway at sea the feedwater inlet tempera
  • a slight vacuum is maintained in the shell of the
  • the unit shown in the illustration is used as the

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