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2 hora 15 minutos.

",{"_20":31,"_26":32,"_28":33},"3d2f5d99-a949-4007-9630-a0b059af3658","B","

2 hora 25 minutos.

",{"_20":35,"_26":36,"_28":37},"0b86750f-b644-490f-9564-76d61d2aeb29","C","

2 hora 30 minutos.

",{"_20":39,"_26":40,"_28":41},"da0d4da9-13c8-4128-91ad-7234a841d8e9","D","

3 hora 15 minutos.

",{"_20":43,"_26":44,"_28":45},"de5f0c9c-1f24-466c-8681-82f65564dca1","E","

3 hora 30 minutos.

","solution_explanation","statement","

Questão 10) Um filme começou às 13h40min e terminou às 16h10min. O tempo de duração do filme foi de:

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Conversor A/C.

",{"_20":173,"_26":32,"_28":180},"

Conversor D/A.

",{"_20":182,"_26":36,"_28":183},"b0a43708-2eaa-431e-9f5a-5e670c310b88","

Conversor DC/AC.

",{"_20":185,"_26":40,"_28":186},"621496f0-8bcd-4170-ac79-f029b61cf7c4","

Conversor AC/DC.

",{"_20":188,"_26":44,"_28":189},"82beb153-62b5-4492-a5b4-4b250e984761","

Nenhuma das respostas acima.

","

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

",[192],{"_20":124,"_59":125,"_98":126,"_100":101,"_102":114,"_71":127,"_73":127,"_67":193,"_75":126},{"_105":129,"_107":108,"_109":120},{"_17":195,"_19":18,"_20":196,"_22":197,"_46":18,"_47":212,"_93":213},"3ad9843b-1d8c-4105-ba2e-c4b2036aa739","9250916a-6d75-45e4-ba22-e241577b3c6d",[198,201,204,206,209],{"_20":199,"_26":27,"_28":200},"cd9bf874-c68d-4a83-a542-6e1017ab5aa3","Controlador e caminho de realimentação.",{"_20":202,"_26":32,"_28":203},"9876ad07-7a59-4783-9a6f-a8dfd575ebda","Variável controlada e variável manipulada.",{"_20":195,"_26":36,"_28":205},"Sensores e atuadores.",{"_20":207,"_26":40,"_28":208},"d437cd92-e74c-4e75-8ead-58c7ad88f9b4","Saídas e entradas.",{"_20":210,"_26":44,"_28":211},"92227e4f-9bed-48a2-8a24-4e78e7032b81","Ponto de ajuste e atuadores.","

No diagrama de blocos de uma malha de controle, o elemento de medição e o elemento de controle são:

",[214],{"_20":124,"_59":125,"_98":126,"_100":101,"_102":114,"_71":127,"_73":127,"_67":215,"_75":126},{"_105":129,"_107":108,"_109":120},{"_17":18,"_19":18,"_20":217,"_22":218,"_46":18,"_47":229,"_93":230},"b72f32d4-8e5c-4b78-8ca1-fffb9133beaf",[219,221,223,225,227],{"_20":220,"_26":27,"_28":27},"0d271c5e-75f4-4f80-9070-ec6e61f920b4",{"_20":222,"_26":32,"_28":32},"22d7bbd3-763e-4f0a-b27b-99a913a98b51",{"_20":224,"_26":36,"_28":36},"b0005922-c0f4-41ed-b76f-782d257efeca",{"_20":226,"_26":40,"_28":40},"09ae6274-a5a4-4dd6-b758-fd3d202facb4",{"_20":228,"_26":44,"_28":44},"79575e01-cc80-4c53-8122-bc3a7a15ac9a","

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?

",[231],{"_20":124,"_59":125,"_98":126,"_100":101,"_102":114,"_71":127,"_73":127,"_67":232,"_75":126},{"_105":129,"_107":108,"_109":120},{"_17":234,"_19":18,"_20":235,"_22":236,"_46":18,"_47":251,"_93":252},"721f83f6-6fbb-4d15-b57e-af26193ba98f","c645c529-f67f-47b0-8f80-f9d965b2264b",[237,240,243,245,248],{"_20":238,"_26":27,"_28":239},"3b2273ed-dc7c-44ca-82cb-ebf48f8843d3","Regenerativo.",{"_20":241,"_26":32,"_28":242},"aef385fd-950e-48e1-bdb9-42ba22b75c3f","Manual",{"_20":234,"_26":36,"_28":244},"Malha fechada.",{"_20":246,"_26":40,"_28":247},"8a9e08be-9bfb-4d56-96e6-c06f1509b636","Malha aberta.",{"_20":249,"_26":44,"_28":250},"31369380-e5e4-4a49-aca4-1a01acfa1c3d","On/Off.","

Uma moderna caldeira industrial totalmente automática, com controle de nível, pressão, vazão de combustível e vapor, tem o tipo de controle:

",[253],{"_20":124,"_59":125,"_98":126,"_100":101,"_102":114,"_71":127,"_73":127,"_67":254,"_75":126},{"_105":129,"_107":108,"_109":120},{"_17":256,"_19":18,"_20":257,"_22":258,"_46":18,"_47":273,"_93":274},"92b42c3f-99b6-4855-b672-0c00432d3b62","f8cc0ab1-5196-413f-9ba9-71ab7dc52ad1",[259,262,265,268,271],{"_20":260,"_26":27,"_28":261},"4ba98b5c-50e9-4ca2-bce8-2605d345ff50","

Faixa de um instrumento.

",{"_20":263,"_26":32,"_28":264},"3bebaab0-b40e-4042-84d0-aeefa3d57eee","

Precisão de um instrumento.

",{"_20":266,"_26":36,"_28":267},"006de846-35e0-45f2-af11-21cc2f21f23e","

Repetibilidade.

",{"_20":269,"_26":40,"_28":270},"89c2d67b-c344-4c15-bff9-c5282752e5eb","

Histerese.

",{"_20":256,"_26":44,"_28":272},"

Resolução.

","

A menor indicação da variável numérica que um instrumento pode indicar, ou seja, a menor mudança de uma variável para que o instrumento possa responder é:

",[275],{"_20":124,"_59":125,"_98":126,"_100":101,"_102":114,"_71":127,"_73":127,"_67":276,"_75":126},{"_105":129,"_107":108,"_109":120},[278,280,282,284],{"_20":124,"_59":125,"_98":126,"_100":101,"_102":114,"_71":127,"_73":127,"_67":279,"_75":126},{"_105":129,"_107":108,"_109":120},{"_20":132,"_59":133,"_98":134,"_100":101,"_102":124,"_71":135,"_73":135,"_67":281,"_75":134},{"_105":108,"_107":108,"_109":120},{"_20":114,"_59":115,"_98":116,"_100":101,"_102":96,"_71":117,"_73":117,"_67":283,"_75":121},{"_105":119,"_107":108,"_109":120},{"_20":96,"_59":97,"_98":99,"_100":101,"_102":-5,"_71":103,"_73":103,"_67":285,"_75":99},{"_105":106,"_107":108,"_109":110},"tagsTree",[288],{"_20":96,"_59":97,"_98":99,"_100":101,"_102":-5,"_71":103,"_73":103,"_67":289,"_75":99,"_111":290},{"_105":106,"_107":108,"_109":110},[291],{"_20":114,"_59":115,"_98":116,"_100":101,"_102":96,"_71":117,"_73":117,"_67":292,"_75":121,"_111":293},{"_105":119,"_107":108,"_109":120},[294],{"_20":124,"_59":125,"_98":126,"_100":101,"_102":114,"_71":127,"_73":127,"_67":295,"_75":126,"_111":296},{"_105":129,"_107":108,"_109":120},[297],{"_20":132,"_59":133,"_98":134,"_100":101,"_102":124,"_71":135,"_73":135,"_67":298,"_75":134,"_111":299},{"_105":108,"_107":108,"_109":120},[],"videoDislikes",{},"videoLikes",{},"actionData","errors"]

Comentários