BOILER LICENSE "A" TEST PRACTICE QUESTIONS GUIDE

BOILERcbLICENSEcb"A"cb
TEST
1. a.cb84.78cbFINDcbOUTcbWHY:cbIncbacbboilercbroomcbtherecbiscbancbHRTcbboilercbwithcbthecbfollowingcbdimensions:cbthec
bdrumcbiscb96cbinchescbincbdiametercbandcb36cbftcblong;cbtherecbarecbacbtotalcbofcb90cbtubes,cb4cbinchescbincbdiameter,;cbandcbthecbboilercbs


hellcbiscbbrickedcb1/3cbofcbthecbdistancecbfromcbabove.

Whatcbiscbthecbtotalcbheatingcbsurfacecbofcbthecbtubecbsheets,cbincbsquarecbfeet?


Selectcbone:


a. 84.78cbCorrect

b. 101.87

c. 74.80

d. 95.31
2. d.cbopencbthecbfiresidescbandcbremovecbthecbburners:c b Whencbperformingcbancbinspectioncbofcbthecbint
ernalcbstructurecbinsidecbthecbsteamcbandcbwatercbdrumcbduringcbannualcbmaintenancecboncbacbwatercbtubecbboiler,cbwhatcbar
ecbthecbnecessarycbprecautions?


Selectcbone:


a. lockcbandcbtagcbthecbsafetycbvalve

b. followcbconfinedcbspacecbentrycbprocedures

c. opencbthecbbottomcbblowdowncblinescbtocbpreventcbbackflow

d. opencbthecbfiresidescbandcbremovecbthecbburners
3. a.cbtocbpreventcbaircbfromcbenteringcbthecbcondenser:cbWhycbiscbitcbnecessarycbtocbkeepcbacbwatercbse
alcboncbthecbatmosphericcbreliefcbvalve?

cb c
b

, BOILERcbLICENSEcb"A"cb
TEST

Selectcbone:


a. tocbpreventcbaircbfromcbenteringcbthecbcondenser

b. stopcbsteamcbfromcbblowingcboutcbofcbthecbturbine

c. preventcbparticulatescbfromcbenteringcbthecbturbine

d. stopcbsteamcbfromcbenteringcbthecbturbine
4. Q=M*C*(T2-T1)
Q=M*Ccbair*(T2-
T1)cbQ=40*.24*550
-40cbQ=40*.24*490
Q=4704cbBTU:cbWhatcbiscbthecbquantitycbofcbheatcbneededcbtocbraisecb40cbpoundscbofcbaircbfromcb60cbdegreescbFcbtocb550cbde
greescbF?


Selectcbone:


a. 2,326cbBtu

b. 5,415cbBtu

c. 4,704

d. 504cbBtu
5. d.cbcarbonite:cbWhichcbofcbthecbfollowingcbiscbnotcbacbtypecbofcbcoal?


Selectcbone:


cb c
b

, BOILERcbLICENSEcb"A"cb
TEST
a. lignite

b. anthracite

c. sub-bituminous

d. carbonite
6. a.cbAcbmethodcbofcbintroducingcblimecband
c b watercbincbthecbfluecbgas:cbWhatcbiscbacbslaker?




Selectcbone:


a. Acbmethodcbofcbintroducingcblimecban
dcbwatercbincbthecbfluecbgas

b. Acbdampercbincbthecbfluecbgascbstream
cbthatcbdirectscbthecbgassescbofcbcombusti


oncbtocbthecbsuperheater

c. Acbmethodcbofcboverfiringcbthecbboiler
cbtocbproducecbmorecbsteam




d. Acbtypecbofcbregenerativecbaircbpreheater
7. d.c b rappers:c b Howcbarecbparticulatescbthatcbarecbcollectedcbincbprecipitatorscbdischargedcbintocbhoppers?


Selectcbone:


a. Shakers

b. fans

cb c
b

, BOILERcbLICENSEcb"A"cb
TEST
c. vacuums

d. rappers
8. a.cbAcbBalancedcbValve:cbAncbautomaticcbcontrolcbvalvecbcommonlycbusedcbtocbmaintaincbfeedwatercblevelscbincbacbbo
ilercbwhosecbinternalcbdesigncbiscbconstructedcbwithcb2cbvalvescbandcb2cbdiscscbiscbreferredcbto?


Selectcbone:


a. AcbBalancedcbValve

b. AncbAutomatedcbPlugcbValve

c. AcbType-BcbSteamcbPSIcbreducingcbvalve

d. AcbDoublecbCheckcbValve
9. b.cbcontrolscbbycbwatercblevel,cbsteamcbflow,cbandcbfeedwatercbflow:cbOperationcbofcbthecbfeedwa
tercbcontrolcbvalvecbonly .


Selectcbone:


a. sensescbandcbcontrolscbbycbaircbpsicbandcbwatercblevel

b. controlscbbycbwatercblevel,cbsteamcbflow,cbandcbfeedwatercbflow

c. controlscbbycbaircbpsi,cbsteamcbflow,cbandcbwatercbflow

d. controlscbbycbsteamcbflowcbandcbwatercbflow
10. Q=M*C*(T2-
T1)cbQ=M*CcbWATE
RT1)cbQ=2*1*(212
-32)
cb c
b