Acionamentos de Motores
Quiz
•
Mathematics, English, Science
•
1st Grade - Professional Development
•
Hard
PETRI NOGUEIRA
Used 18+ times
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26 questions
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1.
OPEN ENDED QUESTION
1 min • 1 pt
ESCREVA SEU NOME COMPLETO.
Evaluate responses using AI:
OFF
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A associação em série de dois contatos normalmente aberto formam uma lógica:
AND
OR
NOT
NAND
NOR
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A associação em paralelo de dois contatos normalmente aberto formam uma lógica:
OR
AND
NOT
NAND
NOR
4.
MULTIPLE CHOICE QUESTION
1 min • 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.
5.
MULTIPLE CHOICE QUESTION
1 min • 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.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Para inverter o sentido de rotação dos motores de indução trifásico, é preciso:
Inverter duas fases da alimentação do motor.
Inverter duas fases da alimentação do comando.
Modificar a ligação dos enrolamentos, passando de estrela para triângulo.
Modificar a tensão de alimentação, passando de alternada para contínua.
Acionar o relé de falta-de-fase.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
o contato auxiliar NF pode ter a numeração:
51 52
13 14
15 18
A B
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