
Acionamentos Elétricos
Authored by Gabriel Braga
Other
1st - 12th Grade
Used 3+ times

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31 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A associação em série de dois contatos normalmente aberto formam uma lógica:
AND
OR
NOT
NAND
NOR
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A associação em paralelo de dois contatos normalmente aberto formam uma lógica:
OR
AND
NOT
NAND
NOR
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Quais dos dispositivos abaixo, podem proteger um sistema contra curto-circuito?
Fusível e Disjuntor Motor
Relé Térmico e Disjuntor Motor.
Relé Falta de Fase e Fusível.
Relé Térmico e Fusível.
N.d.a.
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Quais dos dispositivos abaixo, podem proteger um sistema contra sobrecarga?
Relé Térmico e Disjuntor Motor.
Fusível e Disjuntor Motor.
Relé Falta de Fase e Fusível.
Relé Térmico e Fusível.
N.d.a.
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quando se energiza a bobina de um contator, os contatos N.A se abrem e os NF, se fecham.
Falso.
Verdadeiro.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quando se energiza a bobina de um contator, os contatos N.O se fecham e os NC, se abrem.
Verdadeiro
Falso
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
O que é um contator?
Chave Eletromecânica, usada em acionamento de diversos tipos de cargas.
Dispositivo destinado a fazer contagem de cargas diversas.
Dispositivo destinado a fazer contagem no número de giros do motor.
Chave Eletrônica, destinadas para o acionamento de motores.
N.d.a.
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