[{"_1":2,"_199":-5,"_200":-5},"loaderData",{"_3":4,"_6":7},"root",{"_5":-5},"user","pages/questions/show/index",{"_8":9,"_10":11,"_44":45,"_46":47,"_67":187,"_188":189},"comments",[],"question",{"_12":13,"_14":13,"_15":16,"_17":18,"_41":13,"_42":43},"correctOptionId","","difficulty","id","fde9273d-1176-4abd-8165-7c62a758d591","options",[19,25,29,33,37],{"_15":20,"_21":22,"_23":24},"5692f5aa-90be-487b-afeb-f915f2634166","label","A","text","[(3)^{n} - (3)^{n}]u[n]",{"_15":26,"_21":27,"_23":28},"a05d2113-f8b2-424c-ba1c-7252ba47bcdd","B","[(3)^{n} - (2)^{n}]u[n]",{"_15":30,"_21":31,"_23":32},"f9ec570f-77a6-4ecf-b4a1-05fbb98ceca9","C","[4(3)^{n} - 2(3)^{n}]u[n]",{"_15":34,"_21":35,"_23":36},"1ae8069c-cfa8-4522-8270-2c4ac9d633c8","D","[4(2)^{n} - (3)^{n}]u[n]",{"_15":38,"_21":39,"_23":40},"69f8afaa-5d53-47ac-b828-2f4bb1521a4b","E","[4(2)^{n} - 3(3)^{n}]u[n]","solution_explanation","statement","

Considere o sinal a seguir: X(z) = \frac{z(z - 6)}{z^{2} - 5z + 6} A inversa Z desse sinal é:

","relatedVideos",[],"similarQuestions",[48,112,132,147,167],{"_12":49,"_14":13,"_15":50,"_17":51,"_41":13,"_42":66,"_67":68},"47350bfb-e216-4512-8208-9013b4ef0e82","65d40c69-79b9-4d49-b7f1-60bf496e45c2",[52,55,57,60,63],{"_15":53,"_21":22,"_23":54},"92b2721e-2598-4aa3-9818-117bcc898838","

Conversor A/C.

",{"_15":49,"_21":27,"_23":56},"

Conversor D/A.

",{"_15":58,"_21":31,"_23":59},"b0a43708-2eaa-431e-9f5a-5e670c310b88","

Conversor DC/AC.

",{"_15":61,"_21":35,"_23":62},"621496f0-8bcd-4170-ac79-f029b61cf7c4","

Conversor AC/DC.

",{"_15":64,"_21":39,"_23":65},"82beb153-62b5-4492-a5b4-4b250e984761","

Nenhuma das respostas acima.

","

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

","tags",[69,91,97,105],{"_15":70,"_71":72,"_73":74,"_75":76,"_77":78,"_79":80,"_81":80,"_82":83,"_90":74},"5e92796e-abab-4cd6-903d-33ded7476005","name","Eletrônica em Mecatrônica","alias","eletronica-em-mecatronica","tag_group_id","c1ce2cf2-b217-4cc7-8182-81c56bd3522d","parent_id","94712427-655a-4d3f-a9a4-c17abbad6f90","created_at","2025-04-29T03:44:35.328997+00:00","updated_at","metadata",{"_84":85,"_86":87,"_88":89},"childrenCount",4,"content_count",0,"question_count",12419,"slug",{"_15":92,"_71":93,"_73":94,"_75":76,"_77":70,"_79":95,"_81":95,"_82":96,"_90":94},"65b59c47-5208-4b07-9a93-2b5eb61935bd","Equipamentos Eletrônicos","equipamentos-eletronicos","2025-04-29T04:00:14.680867+00:00",{"_84":87,"_86":87,"_88":89},{"_15":78,"_71":98,"_73":99,"_75":76,"_77":100,"_79":101,"_81":101,"_82":102,"_90":104},"Mecatrônica","mecatronica","9772e958-72c6-4499-ad47-877cf94d670d","2025-04-29T02:19:12.828432+00:00",{"_84":103,"_86":87,"_88":89},5,"mecatronica-1",{"_15":100,"_71":106,"_73":107,"_75":76,"_77":-5,"_79":108,"_81":108,"_82":109,"_90":107},"Exatas","exatas","2025-04-29T01:56:45.284172+00:00",{"_84":110,"_86":87,"_88":111},18,135489,{"_12":113,"_14":13,"_15":114,"_17":115,"_41":13,"_42":130,"_67":131},"3ad9843b-1d8c-4105-ba2e-c4b2036aa739","9250916a-6d75-45e4-ba22-e241577b3c6d",[116,119,122,124,127],{"_15":117,"_21":22,"_23":118},"cd9bf874-c68d-4a83-a542-6e1017ab5aa3","Controlador e caminho de realimentação.",{"_15":120,"_21":27,"_23":121},"9876ad07-7a59-4783-9a6f-a8dfd575ebda","Variável controlada e variável manipulada.",{"_15":113,"_21":31,"_23":123},"Sensores e atuadores.",{"_15":125,"_21":35,"_23":126},"d437cd92-e74c-4e75-8ead-58c7ad88f9b4","Saídas e entradas.",{"_15":128,"_21":39,"_23":129},"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:

",[69,91,97,105],{"_12":13,"_14":13,"_15":133,"_17":134,"_41":13,"_42":145,"_67":146},"b72f32d4-8e5c-4b78-8ca1-fffb9133beaf",[135,137,139,141,143],{"_15":136,"_21":22,"_23":22},"0d271c5e-75f4-4f80-9070-ec6e61f920b4",{"_15":138,"_21":27,"_23":27},"22d7bbd3-763e-4f0a-b27b-99a913a98b51",{"_15":140,"_21":31,"_23":31},"b0005922-c0f4-41ed-b76f-782d257efeca",{"_15":142,"_21":35,"_23":35},"09ae6274-a5a4-4dd6-b758-fd3d202facb4",{"_15":144,"_21":39,"_23":39},"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?

",[69,91,97,105],{"_12":148,"_14":13,"_15":149,"_17":150,"_41":13,"_42":165,"_67":166},"721f83f6-6fbb-4d15-b57e-af26193ba98f","c645c529-f67f-47b0-8f80-f9d965b2264b",[151,154,157,159,162],{"_15":152,"_21":22,"_23":153},"3b2273ed-dc7c-44ca-82cb-ebf48f8843d3","Regenerativo.",{"_15":155,"_21":27,"_23":156},"aef385fd-950e-48e1-bdb9-42ba22b75c3f","Manual",{"_15":148,"_21":31,"_23":158},"Malha fechada.",{"_15":160,"_21":35,"_23":161},"8a9e08be-9bfb-4d56-96e6-c06f1509b636","Malha aberta.",{"_15":163,"_21":39,"_23":164},"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:

",[69,91,97,105],{"_12":168,"_14":13,"_15":169,"_17":170,"_41":13,"_42":185,"_67":186},"92b42c3f-99b6-4855-b672-0c00432d3b62","f8cc0ab1-5196-413f-9ba9-71ab7dc52ad1",[171,174,177,180,183],{"_15":172,"_21":22,"_23":173},"4ba98b5c-50e9-4ca2-bce8-2605d345ff50","

Faixa de um instrumento.

",{"_15":175,"_21":27,"_23":176},"3bebaab0-b40e-4042-84d0-aeefa3d57eee","

Precisão de um instrumento.

",{"_15":178,"_21":31,"_23":179},"006de846-35e0-45f2-af11-21cc2f21f23e","

Repetibilidade.

",{"_15":181,"_21":35,"_23":182},"89c2d67b-c344-4c15-bff9-c5282752e5eb","

Histerese.

",{"_15":168,"_21":39,"_23":184},"

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:

",[69,91,97,105],[69,91,97,105],"tagsTree",[190],{"_15":100,"_71":106,"_73":107,"_75":76,"_77":-5,"_79":108,"_81":108,"_82":109,"_90":107,"_191":192},"children",[193],{"_15":78,"_71":98,"_73":99,"_75":76,"_77":100,"_79":101,"_81":101,"_82":102,"_90":104,"_191":194},[195],{"_15":70,"_71":72,"_73":74,"_75":76,"_77":78,"_79":80,"_81":80,"_82":83,"_90":74,"_191":196},[197],{"_15":92,"_71":93,"_73":94,"_75":76,"_77":70,"_79":95,"_81":95,"_82":96,"_90":94,"_191":198},[],"actionData","errors"]

Aulas em vídeo Em breve

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