(AD) AVIATION MACHINIST MATE
WEEK 2 QUESTIONS AND ANSWERS
Electricity b- bcorrect banswer✔✔The bphysical bphenomena barising bfrom bthe bexistence
band binteraction bof ban belectrical bcharge
Voltage b/ bElectromotive bForce b(EMF) b- bcorrect banswer✔✔The bamount bof bforce
bbeing bapplied bto ba bcircuit bto bproduce ban belectron bflow
Amperage b/ bCurrent bFlow b- bcorrect banswer✔✔The bquantity bof belectricity bflowing
bthrough bthe bcircuit
Resistance b- bcorrect banswer✔✔The bopposition bto bthe bflow bof belectrons boffered bby
ba bdevice bor bmaterial
Ohms b- bcorrect banswer✔✔The bmeasurement bof bresistance bto bcurrent bflow
Watt b- bcorrect banswer✔✔The bmeasurement bof belectrical bwork bdone
Forms bof bElectricity b- bcorrect banswer✔✔Static band bDynamic
Static bElectricity b- bcorrect banswer✔✔(1) bElectricity bat brest
(2) bBegins bwith ba bbuild bup bof beither ba bpositive bor bnegative belectron bcharge. bIf
btwo bnegative bcharges bor btwo bpositive bcharges bare bbrought bclose btogether, bthe
bobjects bthat bhold bthat bcharge brepel beach bother. bIf ba bpositive bcharge bis bbrought
bwithin bclose bproximity bof ba bnegative bcharge, bthe btwo bobjects battract beach bother
(3) bStatic belectricity bis bproduced bby bfriction band bis bnot beasily bmeasured bnor bis bit
bcontrollable bor busable
, Dynamic bElectricity b- bcorrect banswer✔✔A bpractical bform bof bcurrent bflow bthat bis
bused bin beveryday blife. bThis bform bof belectricity bis beasily bproduced, bmeasured, band
bcontrolled
Methods bof bProducing bDynamic bElectricity b- bcorrect banswer✔✔Mechanical,
bChemical, bThermal, band bPressure
Mechanical b- bcorrect banswer✔✔Produced bby brotating ba bmagnetic bfield bthrough
banother bmagnetic bfield
Ex: bA bGrass bCutter
Chemical b- bcorrect banswer✔✔Produced bby bsurrounding btwo bor bmetallic bplates bwith
ba bchemical belectrolyte
Ex: bA bBattery
Thermal b- bcorrect banswer✔✔Produced bby bjoining btwo bdissimilar bmetals band
bapplying bheat
Ex: bThermocouple
Pressure b- bcorrect banswer✔✔Produced bby bapplying bpressure bto bquartz, bwhich bwill
bproduce ban belectron bflow
Ex: bA bWatch
Types bof bElectricity b- bcorrect banswer✔✔AC band bDC
Direct bCurrent b(DC) b- bcorrect banswer✔✔Current bthat bis ba bsteady bflow bin bone
bdirection bonly. bIt bis bproduced bmechanically bby ba bDC bgenerator, bor bchemically bby
ba bbattery
Ex: bA bFlashlight
Alternating bCurrent b(AC) b- bcorrect banswer✔✔Current bflow bthat breverses bdirection
bat bspecific bintervals, bdefined bas bHertz b/ bCycles. bIt bis bproduced bmechanically bby
ban bAC bgenerator
Ex: bA bTV bScreen
Electrical bTest bEquipment b- bcorrect banswer✔✔Multimeter
Multimeter bTest bLeads b- bcorrect banswer✔✔Red blead b= bPositive band bBlack blead b=
bNegative
WEEK 2 QUESTIONS AND ANSWERS
Electricity b- bcorrect banswer✔✔The bphysical bphenomena barising bfrom bthe bexistence
band binteraction bof ban belectrical bcharge
Voltage b/ bElectromotive bForce b(EMF) b- bcorrect banswer✔✔The bamount bof bforce
bbeing bapplied bto ba bcircuit bto bproduce ban belectron bflow
Amperage b/ bCurrent bFlow b- bcorrect banswer✔✔The bquantity bof belectricity bflowing
bthrough bthe bcircuit
Resistance b- bcorrect banswer✔✔The bopposition bto bthe bflow bof belectrons boffered bby
ba bdevice bor bmaterial
Ohms b- bcorrect banswer✔✔The bmeasurement bof bresistance bto bcurrent bflow
Watt b- bcorrect banswer✔✔The bmeasurement bof belectrical bwork bdone
Forms bof bElectricity b- bcorrect banswer✔✔Static band bDynamic
Static bElectricity b- bcorrect banswer✔✔(1) bElectricity bat brest
(2) bBegins bwith ba bbuild bup bof beither ba bpositive bor bnegative belectron bcharge. bIf
btwo bnegative bcharges bor btwo bpositive bcharges bare bbrought bclose btogether, bthe
bobjects bthat bhold bthat bcharge brepel beach bother. bIf ba bpositive bcharge bis bbrought
bwithin bclose bproximity bof ba bnegative bcharge, bthe btwo bobjects battract beach bother
(3) bStatic belectricity bis bproduced bby bfriction band bis bnot beasily bmeasured bnor bis bit
bcontrollable bor busable
, Dynamic bElectricity b- bcorrect banswer✔✔A bpractical bform bof bcurrent bflow bthat bis
bused bin beveryday blife. bThis bform bof belectricity bis beasily bproduced, bmeasured, band
bcontrolled
Methods bof bProducing bDynamic bElectricity b- bcorrect banswer✔✔Mechanical,
bChemical, bThermal, band bPressure
Mechanical b- bcorrect banswer✔✔Produced bby brotating ba bmagnetic bfield bthrough
banother bmagnetic bfield
Ex: bA bGrass bCutter
Chemical b- bcorrect banswer✔✔Produced bby bsurrounding btwo bor bmetallic bplates bwith
ba bchemical belectrolyte
Ex: bA bBattery
Thermal b- bcorrect banswer✔✔Produced bby bjoining btwo bdissimilar bmetals band
bapplying bheat
Ex: bThermocouple
Pressure b- bcorrect banswer✔✔Produced bby bapplying bpressure bto bquartz, bwhich bwill
bproduce ban belectron bflow
Ex: bA bWatch
Types bof bElectricity b- bcorrect banswer✔✔AC band bDC
Direct bCurrent b(DC) b- bcorrect banswer✔✔Current bthat bis ba bsteady bflow bin bone
bdirection bonly. bIt bis bproduced bmechanically bby ba bDC bgenerator, bor bchemically bby
ba bbattery
Ex: bA bFlashlight
Alternating bCurrent b(AC) b- bcorrect banswer✔✔Current bflow bthat breverses bdirection
bat bspecific bintervals, bdefined bas bHertz b/ bCycles. bIt bis bproduced bmechanically bby
ban bAC bgenerator
Ex: bA bTV bScreen
Electrical bTest bEquipment b- bcorrect banswer✔✔Multimeter
Multimeter bTest bLeads b- bcorrect banswer✔✔Red blead b= bPositive band bBlack blead b=
bNegative
