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DC boilers final exam review 2024

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DC boilers final exam review 2024 The following considerations must be taken into account when designing a boiler except _________________. Unresponsive to sudden steam demands The code written by the American Society of Mechanical Engineers that governs and controls the types of materials, methods of construction and procedures used in the installation of boilers is the ____________________. ASME code _______________________ consist of the all parts of the boiler which are exposed on one side to the gases of combustion and on the other side to the water and steam being heated. Total heating surface area

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Institution

DC BOILER

Course

DC BOILER

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DC boilers final exam review 2024

Thexboilerxshownxinxthexillustrationxbelowxisxax___________________.x-
xANSWERxHorizontalxreturnxtubexboiler

"A",x"D"xandx"O"xtypexboilersxarexclassifiedxasx____________________xboilerxdesignsx-
xANSWERxwaterxtube

Thexfollowingxconsiderationsxmustxbextakenxintoxaccountxwhenxdesigningxaxboilerxexceptx__________
_______.x-xANSWERxUnresponsivextoxsuddenxsteamxdemands

ThexcodexwrittenxbyxthexAmericanxSocietyxofxMechanicalxEngineersxthatxgovernsxandxcontrolsxthextyp
esxofxmaterials,xmethodsxofxconstructionxandxproceduresxusedxinxthexinstallationxofxboilersxisxthex___
_________________.x-xANSWERxASMExcode

_______________________xconsistxofxthexallxpartsxofxthexboilerxwhichxarexexposedxonxonexsidextoxth
exgasesxofxcombustionxandxonxthexotherxsidextoxthexwaterxandxsteamxbeingxheated.x-
xANSWERxTotalxheatingxsurfacexarea

Howxmanyxpassesxarexshownxinxthexboilerxillustrationxbelow.x-xANSWERx1

Methodsxofxboilerxwaterxcirculationxincludex______________________.x-xANSWERxnaturalxandxforced

Advantagesxofxaxfirextubexboilerxincludexallxofxthexfollowingxexceptx_____________________________
______.x-
xANSWERxAxwaterxtubexboilerxhasxslowerxheatxtransferxratesxfromxthexhotxexhaustxgasesxtoxthexwater
xwhichxresultsxinxmorexrapidxchanges.

,Thex______________xisxthexhighestxpressurexinxpoundsxperxsquarexinchxatxwhichxaxboilerxcanxbexsafel
yxoperated.x-xANSWERxMAWP

Thexevaporationxofx34.5xlbsxofxwaterxperxhourxfromxfeedxwaterxatx212xF,xatxatmosphericxpressurexisx_
_____________________.x-xANSWERxonexboilerxhorsexpower

Thex______________xisxwherexthexcombustionxprocessxtakesxplacexwithinxthexboiler.x-
xANSWERxfurnace

Thexsaturatedxsteamxoutletxinxthexboilerxillustrationxbelowxisxidentifiedxbyxthexletter,x________.x-
xANSWERxe

Inxthexillustrationxbelow,xwhatxASMExLetterxcodexdesignatesxanxAMSExapprovedxpowerxboiler.xNote:xt
hexletterxinsidexthex"cloverleaf"xsymbol.x-xANSWERxS

Totalxheatingxsurfacesxonxaxboilerxincludex_____________________________________.x-
xANSWERxallxofxthexabove

Boilersxcanxbexclassifiedxbyxallxofxthexfollowingxmethodsxexceptx_______________.x-
xANSWERxallxofxthexabove

WhatxASMExLetterxcodexdesignatesxanxASMExapprovedxsafetyxvalvexdesign.xSeexillustrationxbelow.x-
xANSWERxv

Inxthexillustrationxbelow,xthexboilerxtubesxarexidentifiedxbyxthexletter,x_________.x-xANSWERxB

Axfirextubexboilerxthatxconsistxofxaxshellxthatxcontainsxtubexsheetsxandxisxmountedxaxfireboxxorxfurnac
exisxax__________________________.x-xANSWERxHRTxboiler

, Axboilerxdesignedxasxaxself-
containedxunit,xusuallyxinternallyxfiredxwithxmultiplexgasxpassesxandxoperatingxatxsteamxpressuresxupxt
ox250xpsixisxclassifiedxasxax_______________.x-xANSWERxPackagexfirextubexboiler

Axpowerxplantxthatxusesxthexhotxexhaustxgasesxfromxaxgasxturbinexenginextoxproducexsteamxforxusexin
xaxsteamxturbinextoxproducexadditionalxenergyxinxcalledxax_____________.x-
xANSWERxcombinedxcyclexpowerxplant

Withxregardxtoxmanholexandxhandholdxgaskets,xASMExCodexrequiresxthatxthexminimumxgasketxsurface
xwidthxbexnoxlessxthanx____________inchx,xwithxnoxgasketxthicknessxmorexthanx_______inchxwhenxco
mpressed.x-xANSWERx11/16",x1/4"

Whatxtypexofxboilerxisxshownxinxthexillustrationxbelow?x-
xANSWERxAx2xdrumxsinglexfurnacex"D"xtypexboilerxwithxhorizontalxsuperheater,xeconomizer,xwaterwall
sxandxdowncomers.

Whichxofxthexfollowingxstatementsxrepresentxthexmajorxdifferencexbetweenxaxboilerxdrumxandxaxboile
rxheader?x-xANSWERxthexsizexeachxeachxisxsignificantlyxdifferent

Onexfunctionxofxthexcomponentxlabeledx"C"xshownxinxthexbelowxillustrationxisxtox_________________
________.x-
xANSWERxdistributexthexwaterxtoxthexwatewallxtubesx&xprovidexaxcollectingxareaxforxsedimentxandxslu
dge

Thexwaterxorxmudxdrumxisxindicatedxinxthexillustrationxbelowxbyxthexletterx________________.x-
xANSWERxi

Thextubesxinxaxwaterxtubexboilerxthatxconnectxthexsteamxandxmudxdrumsxandxwho'sxprimaryxpurposex
isxtoxgeneratexsteamxfromxwaterxflowingxthroughxthemxisxknownxasxthex_____________xtubexbank.x-
xANSWERxgenerating

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Institution: DC BOILER
Course: DC BOILER

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Uploaded on: September 26, 2024
Number of pages: 17
Written in: 2024/2025
Type: Exam (elaborations)
Contains: Questions & answers

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dc boilers final exam review 2024
the boiler shown in the illustration below is a
a d and o type boilers are classified as
the following considerations must be taken into ac

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