
DIAGNOSTICO M8
Authored by Carlos Tapia
Education
Professional Development
54 Questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Identificar cual de las siguientes afirmaciones son incorrectas de acuerdo al voltaje alterno trifásico:
Son 3 ondas de voltaje alterno monofásica desfasadas 120° entre si
Son 3 ondas de igual magnitud de voltaje.
Son 3 ondas de voltaje alterno de diferente frecuencia
Su orden determinado es L1-L2-L3
2.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
Los sistemas trifásicos se componen de 3 conductores vivos, estos son conocidos como:
Lineas
Fases
Terminales Positivos
Tierras
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
El campo magnetico giratorio solo puede ser realizado por una señal de voltaje del tipo:
Monofásica
Trifásica
Corriente Continua
Se puede con cualquier forma de onda
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
La tensión de linea a linea en un sistema trifásico en Baja tensión es de:
380A
380W
380V
220V
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
La frecuencia en una red alterna trifásica en Chile es de:
50 Hz
60 Hz
100 Hz
Es corriente continua, no tiene frecuencia.
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
El voltaje de fase es de un valor de:
220A
220W
220V
380V
7.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
Indique los tipos de sistemas trifásicos :
Estrella
Thevennin
Triangulo
TN-S
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