
Protecciones Eléctricas
Authored by Fernando Paiva Belzarena
Engineering
University
Used 2+ times

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27 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué protegen los interruptores termomagnéticos?
Personas
Instalaciones eléctricas contra sobrecarga y cortocircuito
Equipos electrónicos
Puestas a tierra
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el principio de funcionamiento de la protección magnética?
A. Dilatación térmica
B. Campo eléctrico
C. Campo magnético ante corriente elevada
D. Disparo mecánico por voltaje
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se denomina la curva de disparo más común en instalaciones domésticas?
Curva D
Curva B
Curva C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un interruptor de 10 A con curva C dispara con qué corriente en cortocircuito típicamente:
10 A
30 A
50 A
5 A
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué significa el número “6000” en un interruptor termomagnético?
Número de ciclos posibles
Voltaje máximo
Poder de corte en amperios
Poder de corte en amperios (6 kA)
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
¿Qué detecta el interruptor diferencial?
Cortocircuitos
Picos de tensión
Fugas de corriente
Calor
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el umbral típico de disparo para un interruptor diferencial en viviendas según UTE?
100 mA
10 mA
30 mA
300 mA
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