Electrical apprenticeship first year final updated questions with correct answers ,

Electrical /




apprenticeship
/ /




first year final updated questions with correct answers
/ // // // // // // //




When /
/the /


/atoms //of //elements //combine, //they //produce //_____. //The //smallest //particle //of //a(n) //_____ //is


//called //a //molecule.




(a) //matter

(b) //element(s)

(c) //energy

(d) //compound(s) //- //CORRECT //ANSWERS(S)✔✔(d) //compound(s)



Electrostatic /
/charge /


/is /


/due /


/to /


/an //excess //of, //or //a //deficiency //of, //electrons //between //objects //that //have //been //separated.




(a) //True

(b) //False //- //CORRECT //ANSWERS(S)✔✔(a) //True



Lightning /
/protection //is //intended //to //protect //the //building //itself, //as //well //as //the //electrical //equipment


//on //or //inside //the //structure.

,(a) //True

(b) //False //- //CORRECT //ANSWERS(S)✔✔(b) //False



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.




(a) //True

(b) //False //- //CORRECT //ANSWERS(S)✔✔(a) //True



If //
a/
/permanent /


/magnet /


/is /


/struck //with //a //hammer, //it //will //lose //some //of //its //magnetism; //each //subsequent //blow //helps


//the //molecules //return //to //their //original //random //positions.




(a) //True

(b) //False //- //CORRECT //ANSWERS(S)✔✔(a) //True



A/
/battery /


/is //


a/

, /power /
/source /


/where /


/voltaic /


/cells /


/are /


/combined /


/in //


a //series //arrangement, //positive //terminal //to //negative //terminal, //so //that //the //voltage //of //one
//cell //is //added //to //the //voltage //of //the //other //cells.




(a) //True

(b) //False //- //CORRECT //ANSWERS(S)✔✔(a) //True



"Electroplating" /
/is /


/building /


/up /


/layers /


/of /


/metal /


/on /


/one /


/surface /


/by /


/removing /


/the /


/same /


/metal /


/from //another //surface //by //using //a //chemical //action //with //electric //current //in //a //solution.




(a) //True

(b) //False //- //CORRECT //ANSWERS(S)✔✔(a) //True