FAAgGeneralgOralgExamgQuestions|QuestionsgWithgCorrectg
Answers|Verified
Describegthegresultgofgaddinggaglargegpositivegnumbergandgagsmallergnegativegnumber.g-
g✔Thegresultgisgagsmallergpositivegnumber,gandgisgthegsamegasgignoringgthegsignsgandgsubtra
ctinggthegsmallergnumbergfromgtheglarger.
Howgdogyougconvertgagfractiongintogagdecimal?g-
✔Dividegthegtopgnumberg(Numerator)gbygthegbottomgnumberg(denominator).
g
Whatgisgthegkeygstepgthatgmustgbegperformedgingordergtogaddgorgsubtractgunlikegfractions?g-
✔Yougmustgfindgtheglowestg(Least)gcommongdenominator.
Howgdogyougdividegonegfractiongbyganother?g-
g✔Youginvertgthegdivisorgandgmultiplygthegnumeratorsgtogethergandgthegdenominatorsgtogether
.
Howgcangyougconvertgagdecimalgintogagpercent?g-
✔(1)gMultiplygthegdecimalgbyg100gandgaddgthegpercentgsign.
g
(2)gMovegthegdecimalgpointgtwogplacesgtogthegrightgandgaddgtheg
percentgsign.
Howgdogyougconvertgagfractiongintogagpercent?g-
✔Convertgitgtogagdecimal,gmovegthegdecimalgpointgtwogplacesgtogthe
g
rightgandgaddgthegpercentgsign
Howgdogyougchangegagdecimalgintogthegnearestgequivalentgfraction?g-
✔Multiplygthegdecimalgbygthegdesiredgdenominator.gThegresult
g
becomesgthegnumeratorgingthegtraction.
,Whatgaregtwogdifferentgwaysgthatgagratiogmaygbegexpressed?g-g✔(1)gAsgagfraction.
(2)gBygplacinggagcolong(s)gbetweengthegtwognumbers.
(3)gBygusinggthegwordg'10"gbetweengthegtwognumbers
Whatgisgagproportion?g-g✔—
Agstatementgofgequalitygbetweengtwogorgmoregratios.
Whatgisgmeantgbygthegrootgofgagnumber?g-
✔Agrootgisgtwogorgmoregequalgsmallergnumbersgthat,gwhengmultiplied
g
together,gequalgthegspecifiedgnumber.
Howgdogyougfindgthegsquaregofgagnumber?gGivegangexample.g-
✔MultiplygthegnumbergbygitselfgExamples:
g
4gXg4g=16,g7gXg7g=49
Whatgisgagcommongmethodgofgmakinggcomputationsginvolvinggveryglargegorgverygsmallgnumbers
gmoregmanageable?g-g✔Convertgthegnumbersgintogscientificgnotationgbygusinggpowersgofg10.
Howgisg100.000gexpressedgasgagpowergofg10?g-g✔10^5g(10gtogtheg5'"gpower).
Whatgformulagisgusedgtogfindgthegareagofga
rectanglegandgofgagtriangle?g-
✔Forgagrectangle,gAg=gLgXgW.
g
Forgagtriangle,
A = 1/2(BgXgH
g g g
).
,DefinegPig(π)g-
✔Pigisgagconstantgthatgexpressesgthegrelationshipgbetweengtheggigozngterencegofgagcircleg
g
andgitsgdiametergandgisgapproximatelygequalgto
Describegagtrapezoid.g-g✔Agtrapezoidgisgagclosed,gfour-
sidedgfigureghavinggtwogparallelgsidesgandgtwogsidesgthatgaregnotgparallel.
Whatgisgthegformulagforgcomputinggthegareagofgagcircle?g-g✔A=πr^2
Definegmatter.g-g✔Anygsubstancegthatgoccupiesgspacegandghasgmass.
Mattergmaygexistgingwhatgthreegstates?g-g✔Solid,gliquid,ggas,g(Plasma).
Definegkineticgenergy.g-g✔Kineticgenergygisgthegenergygofgmotion,
Workgisgthegproductgofgwhatgtwogfactors?g-g✔Forcegandgthegdistancegmoved,
Whatgaregthegpartsgofgaglever?g-g✔Agrigidgbargandgagpivotgpointgcalledgthegfulcrum.
Agwheelbarrowgisgangexamplegofgwhatgclassgofglever?g-g✔Agsecond-classglever.
Aregallgthreegstatesgofgmattergaffectedgbygthermalgexpansiongandgifgso,gwhichgstategisgaffectedg
most?g-g✔Allgthreegstatesgaregaffected,gwithggasesgbeinggaffectedgthegmost.
WhatgisgagBritishgThermalgUnit?g-
g✔Thegamountgofgheatgenergygrequiredgtogchangegthegtemperaturegofg1gpoundgofgwaterg1gdegr
eegFahrenheit.
, Namegthegthreegmethodsgofgheatgtransfer?g-g✔Conduction,gconvectiongandgradiation.
Whatgtermgdefinesgthegtemperaturegatgwhichgallgmoleculargmotiongceases?g-g✔Absolutegzero.
Cangliquidsgbegcompressed?g-g✔No,gliquidsgareggenerallygconsideredgincompressihle.
WhatgaregthegcustomarygunitsgusedgtogexpressghydraulicgorgpneumaticgpressuregingthegUnitedgSt
ates?g-g✔Poundsgpergsquareginchg(PSI)
Describeghowgpressuregisgtransmittedgwhengagforcegisgappliedgtogagconfinedgliquid.g-
✔Pressuregisgtransmittedgequallygingallgdirections,
g
Whatgformulagexpressesgthegrelationshipgbetweengforce,gpressuregandgarea?g-
✔Forcegequalsgareagtimesgpressure
g
Whatgisgthegapproximategspeedgofgsoundgatgseaglevelgongagstandardgday?g-
✔661gKnotsgorg340gmetersgpergsecond.
g
Whatgisgthegatmosphericgpressuregatgseaglevelgongagstandardgday?g-
✔29.92ginchesgofgMercurygorg10132gmillibars
g
Ongagstandardgdaygatgseaglevel,gwhatgisgthegvaluegforgtemperature?g-g✔-
59°Fgorg15°C.
g
Whatgaregthegfactorsgthatgdeterminegdensitygaltitude?g-
✔Temperaturegandgatmosphericgpressure.
g
Answers|Verified
Describegthegresultgofgaddinggaglargegpositivegnumbergandgagsmallergnegativegnumber.g-
g✔Thegresultgisgagsmallergpositivegnumber,gandgisgthegsamegasgignoringgthegsignsgandgsubtra
ctinggthegsmallergnumbergfromgtheglarger.
Howgdogyougconvertgagfractiongintogagdecimal?g-
✔Dividegthegtopgnumberg(Numerator)gbygthegbottomgnumberg(denominator).
g
Whatgisgthegkeygstepgthatgmustgbegperformedgingordergtogaddgorgsubtractgunlikegfractions?g-
✔Yougmustgfindgtheglowestg(Least)gcommongdenominator.
Howgdogyougdividegonegfractiongbyganother?g-
g✔Youginvertgthegdivisorgandgmultiplygthegnumeratorsgtogethergandgthegdenominatorsgtogether
.
Howgcangyougconvertgagdecimalgintogagpercent?g-
✔(1)gMultiplygthegdecimalgbyg100gandgaddgthegpercentgsign.
g
(2)gMovegthegdecimalgpointgtwogplacesgtogthegrightgandgaddgtheg
percentgsign.
Howgdogyougconvertgagfractiongintogagpercent?g-
✔Convertgitgtogagdecimal,gmovegthegdecimalgpointgtwogplacesgtogthe
g
rightgandgaddgthegpercentgsign
Howgdogyougchangegagdecimalgintogthegnearestgequivalentgfraction?g-
✔Multiplygthegdecimalgbygthegdesiredgdenominator.gThegresult
g
becomesgthegnumeratorgingthegtraction.
,Whatgaregtwogdifferentgwaysgthatgagratiogmaygbegexpressed?g-g✔(1)gAsgagfraction.
(2)gBygplacinggagcolong(s)gbetweengthegtwognumbers.
(3)gBygusinggthegwordg'10"gbetweengthegtwognumbers
Whatgisgagproportion?g-g✔—
Agstatementgofgequalitygbetweengtwogorgmoregratios.
Whatgisgmeantgbygthegrootgofgagnumber?g-
✔Agrootgisgtwogorgmoregequalgsmallergnumbersgthat,gwhengmultiplied
g
together,gequalgthegspecifiedgnumber.
Howgdogyougfindgthegsquaregofgagnumber?gGivegangexample.g-
✔MultiplygthegnumbergbygitselfgExamples:
g
4gXg4g=16,g7gXg7g=49
Whatgisgagcommongmethodgofgmakinggcomputationsginvolvinggveryglargegorgverygsmallgnumbers
gmoregmanageable?g-g✔Convertgthegnumbersgintogscientificgnotationgbygusinggpowersgofg10.
Howgisg100.000gexpressedgasgagpowergofg10?g-g✔10^5g(10gtogtheg5'"gpower).
Whatgformulagisgusedgtogfindgthegareagofga
rectanglegandgofgagtriangle?g-
✔Forgagrectangle,gAg=gLgXgW.
g
Forgagtriangle,
A = 1/2(BgXgH
g g g
).
,DefinegPig(π)g-
✔Pigisgagconstantgthatgexpressesgthegrelationshipgbetweengtheggigozngterencegofgagcircleg
g
andgitsgdiametergandgisgapproximatelygequalgto
Describegagtrapezoid.g-g✔Agtrapezoidgisgagclosed,gfour-
sidedgfigureghavinggtwogparallelgsidesgandgtwogsidesgthatgaregnotgparallel.
Whatgisgthegformulagforgcomputinggthegareagofgagcircle?g-g✔A=πr^2
Definegmatter.g-g✔Anygsubstancegthatgoccupiesgspacegandghasgmass.
Mattergmaygexistgingwhatgthreegstates?g-g✔Solid,gliquid,ggas,g(Plasma).
Definegkineticgenergy.g-g✔Kineticgenergygisgthegenergygofgmotion,
Workgisgthegproductgofgwhatgtwogfactors?g-g✔Forcegandgthegdistancegmoved,
Whatgaregthegpartsgofgaglever?g-g✔Agrigidgbargandgagpivotgpointgcalledgthegfulcrum.
Agwheelbarrowgisgangexamplegofgwhatgclassgofglever?g-g✔Agsecond-classglever.
Aregallgthreegstatesgofgmattergaffectedgbygthermalgexpansiongandgifgso,gwhichgstategisgaffectedg
most?g-g✔Allgthreegstatesgaregaffected,gwithggasesgbeinggaffectedgthegmost.
WhatgisgagBritishgThermalgUnit?g-
g✔Thegamountgofgheatgenergygrequiredgtogchangegthegtemperaturegofg1gpoundgofgwaterg1gdegr
eegFahrenheit.
, Namegthegthreegmethodsgofgheatgtransfer?g-g✔Conduction,gconvectiongandgradiation.
Whatgtermgdefinesgthegtemperaturegatgwhichgallgmoleculargmotiongceases?g-g✔Absolutegzero.
Cangliquidsgbegcompressed?g-g✔No,gliquidsgareggenerallygconsideredgincompressihle.
WhatgaregthegcustomarygunitsgusedgtogexpressghydraulicgorgpneumaticgpressuregingthegUnitedgSt
ates?g-g✔Poundsgpergsquareginchg(PSI)
Describeghowgpressuregisgtransmittedgwhengagforcegisgappliedgtogagconfinedgliquid.g-
✔Pressuregisgtransmittedgequallygingallgdirections,
g
Whatgformulagexpressesgthegrelationshipgbetweengforce,gpressuregandgarea?g-
✔Forcegequalsgareagtimesgpressure
g
Whatgisgthegapproximategspeedgofgsoundgatgseaglevelgongagstandardgday?g-
✔661gKnotsgorg340gmetersgpergsecond.
g
Whatgisgthegatmosphericgpressuregatgseaglevelgongagstandardgday?g-
✔29.92ginchesgofgMercurygorg10132gmillibars
g
Ongagstandardgdaygatgseaglevel,gwhatgisgthegvaluegforgtemperature?g-g✔-
59°Fgorg15°C.
g
Whatgaregthegfactorsgthatgdeterminegdensitygaltitude?g-
✔Temperaturegandgatmosphericgpressure.
g
