Electrical Engineering Exam Questions and Answers, Exams of Electrical and Electronics Engineering

A set of questions and answers related to electrical engineering concepts. It covers topics such as circuit breakers, power systems, transformers, and safety procedures. The questions are designed to test understanding and application of key principles in electrical engineering, making it a useful resource for students and professionals in the field. It includes multiple-choice questions with correct answers marked, offering a practical way to review and reinforce knowledge of electrical engineering topics. This material is suitable for exam preparation and self-assessment.

Typology: Exams

2025/2026

Available from 12/23/2025

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/Level //
2 /
/Study //Material //Questions //With //Answers //
The /
/state /
/of /
/charge /
/of //
a /
/lead /
/acid /
/battery /
/is /
/measured /
/by /
/which /
/of //the //following: //- //CORRECT //ANSWERS(S)✔✔Hydrometer
Temporary /
/safety /
/grounds: //- /
/CORRECT /
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NETA /

/Level //

/Study //Material //Questions //With //Answers //

The /

/state /

/of /

/charge /

/of //

a /

/lead /

/acid /

/battery /

/is /

/measured /

/by /

/which /

/of //the //following: //- //CORRECT //ANSWERS(S)✔✔Hydrometer

Temporary /

/safety /

/grounds: //- /

/CORRECT /

/ANSWERS(S)✔✔Are /

/sized /

/with /

/consideration /

/of //available //short //circuit //current //and //time //duration

Before /

/personnel /

/are /

/allowed /

/to /

/operate //

a /

/power /

/circuit /

/breaker /

/they /

/must /

/first /

/understand /

/the /

/________ /

/of //the //breaker. //- //CORRECT //ANSWERS(S)✔✔All //the //above

Type //MV //is //a //single //dielectric //insulated //cable //rated //_____ //volts //or

//higher. //- //CORRECT //ANSWERS(S)✔✔ 2001

/operated /

/is //called //a/an //_________. //- //CORRECT //ANSWERS(S)✔✔shunt //trip

Branch-

circuit /

/overcurrent /

/devices /

/in /

/emergency /

/circuits /

/shall /

/be /

/accessible /

/to //______ //only. //- //CORRECT //ANSWERS(S)✔✔authorized //persons

In //

a /

/wye /

/connected /

/system, /

/without /

/neutral /

/grounding, /

/zero //sequence //currents //are: //- //CORRECT //ANSWERS(S)✔✔zero

What /

/are /

/the /

/three /

/most /

/common /

/states /

/for /

/network /

/protectors? //- /

/CORRECT //ANSWERS(S)✔✔automatic, //closed, //open

Triangle /

/NAB /

/is /

/as /

/shown. /

/If: /

/AN //= //BN //= // 100 //and //BD //= //AD //and //N //= //120°, //then //length //BD

//is: //- //CORRECT //ANSWERS(S)✔✔86.

Contactor /

/coils /

/are /

/present /

/in //manual //motor //starters: //- //CORRECT //ANSWERS(S)✔✔false

Which /

/of /

/transformer /

/secondary /

/conductors /

/are /

/not /

/considered /

/to /

/be /

/protected /

/by /

/the /

/transformer /

/primary /

/overcurrent /

/protective //device. //- //CORRECT //ANSWERS(S)✔✔false

Why /

/it /

/is /

/required /

/to /

/drain /

/off /

/the /

/stored /

/charge /

/in //

a /

/capacitor //after //the //supply //circuit //has //been //opened. //- //CORRECT

//ANSWERS(S)✔✔personnel //safety

Using /

/the /

/diagram /

/above, /

/identify //

a /

/point /

/that /

/would /

/not /

/be /

/energized /

/if /

/voltage /

/was /

/applied //to //the //line //bus. //- //CORRECT //ANSWERS(S)✔✔point // 12

The /

/size /

/of /

/the /

/neutral /

/conductor /

/is /

ASTM /

/test /

/method /

/D974 /

/measures /

/which /

/of //the //following? //- //CORRECT //ANSWERS(S)✔✔mg //KOH/g

In /

/addition /

/to //the //proper //PPE, //what //is //the //minimum //equipment //required //to

//verify //phasing //on //a //480V //double-

ended /

/substation /

/with /

/drawout /

/circuit /

/breakers? //- /

/CORRECT //ANSWERS(S)✔✔voltmeter //or //phasing //sticks

The /

/sum /

/of /

/the /

/voltage /

/drops /

/around //

a /

/series /

/circuit /

/is /

/_____? //- /

/CORRECT //ANSWERS(S)✔✔Equal //to //the //applied //voltage

Which /

/of /

/the /

/following /

/technologies /

/would /

/be /

/least /

/useful /

/in /

/helping /

/to /

/mitigate /

/capacitor /

/inrush //transients? //- //CORRECT //ANSWERS(S)✔✔High-

pass //conditioners

In //three-

phase /

/power /

/system /

/study, /

/the /

/purpose /

/of //

a /

/TCC /

/is /

/to /

/show: //- //CORRECT //ANSWERS(S)✔✔Time //coordinating //curves

What //is //the //kVA //rating //of //a //3-

phase /

/generator /

/rated /

/at /

/100kW /

/with //

a /

/power /

/factor? //- //CORRECT //ANSWERS(S)✔✔KVA //= //W/(1000*PF)

The /

/_______ /

/in //

a /

/series /

/circuit /

/will /

/be /

/equal /

/across /

/each /

/resistor //in //the //circuit. //- //CORRECT //ANSWERS(S)✔✔current

The /

/safety /

/goggles /

/or /

/glasses /

/suitable /

/for /

/electrical //work //should: //- //CORRECT //ANSWERS(S)✔✔Be //non-

conductive

The /

/Wheatstone /

/bridge /

/is //used //to //measure //- //CORRECT //ANSWERS(S)✔✔resistance

Even /

/though //operating //and //time //characteristics //vary //between //different

/equipment /

/shown /

/in /

/the /

/picture /

/above //- /

/CORRECT /

/ANSWERS(S)✔✔NWP //- /

/Used //to //protect //multiple //transformers //in //parallel

A /

/dashpot /

/is //used: //- //CORRECT //ANSWERS(S)✔✔To //provide //time //delays

Three /

/capacitors, //

a /

/μF, //

a /

/μF, /

/and //

a /

/ 30 //μF, //are //connected //in //series //to //a // 400 //Hz //source. //The //total //XC

//is //- //CORRECT //ANSWERS(S)✔✔66.32, //Xc //= //1/(2pif*C)

In /

/high /

/impedance /

/grounding //systems, //the //grounding //conductor //shall //not //be //smaller

//than /

/___ /

/copper /

/and /

/____ /

/aluminum //- //CORRECT //ANSWERS(S)✔✔8AWG //and // 6 //AWG

Name /

/the /

/hazard /

/involved //with //placing //an //electrical //system //in //an //electrically-

safe /

/work //condition //- //CORRECT //ANSWERS(S)✔✔All //the //above

For /

/HV /

/bushing /

/power /

/factor /

/measurements, /

/the /

/C1 /

/test /

/grounding /

/electrode /

/conductor //or //bonding //jumper //is //connected //to //a //concrete-

encased /

/electrode /

/(does /

/not /

/extend /

/on /

/to /

/other //types //of //electrodes //that //require //a //larger //size //of //conductor),

//the /

/grounding /

/electrode //conductor //is //not //required //to //be //larger //than //_____ //copper

//wire. //- //CORRECT //ANSWERS(S)✔✔4AWG

Which //device //might //be //used //with //all //of //the //following //equipment;

//molded-case //circuit //breakers, //low-

voltage //air //circuit //breakers, //medium-

voltage /

/switches, /

/and //potential //transformers? //- //CORRECT //ANSWERS(S)✔✔Fuse

The /

/type /

/of /

/bridging /

/impedance /

/most /

/commonly /

/used /

/on //

a /

/load /

/tap /

/changer /

/is /

/the: //- /

/CORRECT //ANSWERS(S)✔✔Preventative //Autotransformer

Protection /

/against /

/extremely /

/high /

/fault /

/current /

/is /

/typically /

/achieved /

/by /

/use //of: //- //CORRECT //ANSWERS(S)✔✔Current //Limiting //Fuses

Which /

/of /