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A tabela abaixo apresenta a variação da resistência característica à compressão de um concreto de cimento Portland com o tempo.

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Conversor A/C.

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Conversor D/A.

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Conversor DC/AC.

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Conversor AC/DC.

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Nenhuma das respostas acima.

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Para a conversão de sinais digitais para analógicos, necessitamos de circuitos ou chips denominados:

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Qual é a resposta correta para a questão 50 do exame realizado em 02/05/2010 para o cargo de ENGENHEIRO(A) DE EQUIPAMENTOS PLENO ÊNFASE EM ELETRICIDADE, de acordo com a seguinte chave de respostas?

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Comentários