
aparate el generalitati
Quiz
•
Science
•
11th Grade
•
Practice Problem
•
Medium
CERASELA IONESCU
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
ce este un aparat electric
este sistem electric
este un dispozitiv mecanic
ansamblu de dispozitive electrice și
mecanice
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
aparate de joasă tensiune, aparatele de curent continuu cu
tensiunea nominală între conductoare :
egala cu 0 kV
mai mare decat 1,2 kV
mai mica decat
1,2 kV
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Aparatele pot fi
nu pot fi de curent, pot fi doar de tensiune
de curent derivativ
de curent continuu
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
aparate grele sunt
sunt mai mici de 1kg
au o greutate peste 1 t
au curentul
nominal mai mic sau egal cu 1250A.
au curentul
nominal mai mare sau egal cu 1250A.
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Aparate de amplificare și stabilizare pot fi :
relee si comutatoare
amplificatoare magnetice, stabilizatoare
reostate
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Aparate pentru protecția circuitelor și instalațiilor electrice
contactoare mecanice
comutatoare de curent continuu
siguranțe fuzibile, relee de protecție,
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Aparate de comutație automată a circuitelor electrice pot fi
butoane, separatoare
comutatoare pentru
lumină și forță,
întreruptoare de înaltă și joasă tensiune,
contactoare
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