
Comando Elétrico - Técnico
Authored by Gabriel Braga
Other
1st - 12th Grade
Used 7+ times

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19 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Ao ser estabelecida uma tensão de 50V entre os terminais de um equipamento, estabelece-se uma corrente elétrica de 5A. Qual a resistência elétrica do equipamento?
10Ω
100Ω
25Ω
250Ω
0,10Ω
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Um aquecedor possui uma resistência elétrica de 4,0Ω e consome uma corrente de 27,5A. Qual o valor da tensão que o aquecedor está ligado?
110V
220V
380V
60V
80V
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Os valores nominais de um motor elétrico, são: 220V / 6A. Isso significa que a sua potência elétrica vale:
1320 W
36,6 W
736 W
746 W
2640 W
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual é a energia elétrica consumida de um chuveiro de 5000W, sabendo que ele fica ligado 1h por dia em um mês de 30 dias?
150 kWh
1500 kWh
15 kWh
300 kWh
30 kWh
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A associação em série de dois contatos normalmente aberto formam uma lógica:
AND.
OR.
NOT.
NAND.
NOR.
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A associação em paralelo de dois contatos normalmente aberto formam uma lógica:
OR.
AND.
NOT.
NAND.
NOR.
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Quais dos dispositivos abaixo, podem proteger um sistema contra curto-circuito?
Fusível e Disjuntor.
Relé Térmico e Disjuntor.
Relé Falta de Fase e Fusível.
Relé Térmico e Fusível.
N.d.a.
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