Exam (elaborations)
ACDC Final Exam 1 With Correct Questions And Answers 2024
ACDC Final Exam 1 With Correct Questions And Answers 2024
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August 19, 2024
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6
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2024/2025
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Exam (elaborations)
Contains
Questions & answers
acdc final exam 1 with correct questions
if protection of electrical equipment from lightni
lightning is the discharging of
compounds can change the electrical characteristic
Institution
ACDC
Module
ACDC
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ACDC Final Exam 1 With Correct
Questions And Answers 2024
If .protection .of .electrical .equipment .from .lightning .is .desired, .then .a
.______________________ .must .be .installed .on .the .electrical .system .in .accordance .with
.the .NEC. .- .correct .answer.listed .surge-protection .device
Lightning .is .the .discharging .of ._____________________within .clouds .to .each .other, .to
.the .earth, .and .sometimes .to .space .- .correct .answer.high-voltage .cells
Compounds .can .change .the .electrical .characteristics .of .an .individual .atom. .For .example,
.the .insulating .aluminum-oxide .compound .is .very .difficult .to .break .and .it .often .results .in
.the .overheating .of .aluminum .conductors .at .their .terminals .- .correct .answer.True
When .energy .is .applied .to .the .valence .electrons, .the .energy .is .distributed .evenly .among
.all .the .valence .electrons .- .correct .answer.True
If .a .magnetizing .force .is .applied .to .the .end .of .an .iron .bar, .the .magnetic .field .of .many .of
.the .ferrous .molecule .electrons .will .align .with .each .other .and .the .bar .will .demonstrate
.magnetic .properties .- .correct .answer.True
The .Law .of .Attraction .and .Repulsion .of .magnets .states, ."Like .poles .attract .and .unlike
.poles .oppose .each .other" .- .correct .answer.False
When .electricity .is .created .by .chemical .activity, .electrons .will .flow .in .two .directions. .This
.is .called ."alternating .current" .- .correct .answer.False
Fluorescent .lighting .is .illumination .that .results .from .the .combination .of
.electroluminescence .and .phosphorescence .- .correct .answer.True
The .direction .of .the .electromagnetic .field .around .a .conductor .because .of .current .flow .is
.determined .by .the .right-hand .rule .as .it .relates .to .electron .theory .- .correct .answer.False
The .field .intensity .around .a .conductor .carrying .current .decreases .with .increased .current
.flow, .and .is .stronger .the .further .the .distance .from .the .conductor .- .correct .answer.False
Ohmmeters .measure .the ._______ .or .opposition .to .current .flow .of .a .circuit .or .component .-
.correct .answer.resistance
, The .Wheatstone .Bridge .meter .is .used .for .extremely .accurate ._________ .measurements
.- .correct .answer.resistance
Every .component .of .an .electrical .circuit .contains .resistance, .except .the .power .supply .-
.correct .answer.False
" ._______________" .is .defined .as .the .rate .of .work .measured .by .the .unit .called .the .watt .-
.correct .answer.Power
What .is .the .area .in .sq. .in. .of .trade .size .2 .raceway? .- .correct .answer.3 .sq. .in.
The .approximate .decimal .equivalent .for .the .fraction ."4/18" .is .________ .- .correct
.answer..2
The .formulas .in .the .formula .wheel .apply .to ._____________ .- .correct .answer.dc, .and .ac
.with .unity .power
When .working .any .formula, .the .key .to .finding .the .correct .answer .is .to .follow .what .four
.steps? .- .correct .answer.Step .1: .Know .what .the .question .is .asking .you .to .find
Step .2: .Determine .the .knowns .of .the .circuit
Step .3: .Select .the .formula
Step .4: .Work .out .the .formula
A .series .circuit .is .a .circuit .in .which .a .specific .amount .of .current .leaves .the .voltage .source
.and .flows .through .every .electrical .device .in .a .single .path .before .it .returns .to .the .voltage
.source .- .correct .answer.True
To .determine .the .resistance .of .each .element .in .the .circuit, .the .formula .R .= .E .squared ./ .P.
.E .is .the .rated .voltage .of .the .resistor, .and .P .is .the .rated .power .of .the .resistor .- .correct
.answer.True
In .a .parallel .circuit, .the .total .circuit .resistance .is .always .greater .than .the .smallest
.resistance .- .correct .answer.False
In .a .parallel .circuit, .the .voltage .drop .across .each .resistance .is .equal .to .the .sum .of .the
.voltage .drops .of .each .of .the .resistors .in .parallel .- .correct .answer.False
That .portion .of .the .series-parallel .circuit .that .contains .resistances .in .parallel .must .comply
.with .the .rules .for .parallel .circuits .- .correct .answer.True
A ._______________ .is .a .circuit .that .contains .some .resistances .in .series .and .some
.resistances .in .parallel .with .each .other .- .correct .answer.series-parallel .circuit
The .grounded .conductor .is .a .conductor .that .is .intentionally .grounded .to .the .earth .-
.correct .answer.True