Questões TBG 2023 para Engenheiro Júnior – Ênfase: Manutenção

Q2281240

Q2281240 Inglês

Texto associado

Text CB1A2-I

Oppenheimer’s brief advance into astrophysics began with a 1938 paper about neutron stars, which continued in a 1939 installment that further incorporated the principles of Einstein’s general theory of relativity. He then published a third paper on black holes on September 1st, 1939—but at the time, it was scarcely noticed because this was the very day Germany invaded Poland, launching World War II. Oppenheimer never wrote on the topic again.

Even if it hadn’t been overshadowed by war, Oppenheimer’s work on neutron stars and black holes “was not understood to be terribly significant at the time,” says Cathryn Carson, a historian of science at the University of California, Berkeley.

Each paper was written with a different member of the swarm of graduate students that Oppenheimer carefully cultivated. These protégés facilitated his ability to jump between research topics—and ultimately, helped him develop some of his most important contributions to physics.

Oppenheimer’s climactic third paper, written with his student Hartland Snyder, explores the implications of general relativity on the universe’s most massive stars. Although the physicists needed to include some assumptions to simplify the question, they determined that a large enough star would gravitationally collapse indefinitely—and within a finite amount of time, meaning that the objects we now know as black holes could exist.

Internet: <scientificamerican.com> (adapted)

Based on text CB1A2-I, judge the following item.

Oppenheimer’s paper on black holes received little attention at the time it was published.

Certo

Errado

Você errou! Resposta:

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Q2281241

Q2281241 Inglês

Texto associado

Text CB1A2-I

Oppenheimer’s brief advance into astrophysics began with a 1938 paper about neutron stars, which continued in a 1939 installment that further incorporated the principles of Einstein’s general theory of relativity. He then published a third paper on black holes on September 1st, 1939—but at the time, it was scarcely noticed because this was the very day Germany invaded Poland, launching World War II. Oppenheimer never wrote on the topic again.

Even if it hadn’t been overshadowed by war, Oppenheimer’s work on neutron stars and black holes “was not understood to be terribly significant at the time,” says Cathryn Carson, a historian of science at the University of California, Berkeley.

Each paper was written with a different member of the swarm of graduate students that Oppenheimer carefully cultivated. These protégés facilitated his ability to jump between research topics—and ultimately, helped him develop some of his most important contributions to physics.

Oppenheimer’s climactic third paper, written with his student Hartland Snyder, explores the implications of general relativity on the universe’s most massive stars. Although the physicists needed to include some assumptions to simplify the question, they determined that a large enough star would gravitationally collapse indefinitely—and within a finite amount of time, meaning that the objects we now know as black holes could exist.

Internet: <scientificamerican.com> (adapted)

Based on text CB1A2-I, judge the following item.

According to Cathryn Carson, Oppenheimer’s work on neutron stars and black holes was meaningless at the time it was developed.

Certo

Errado

Você errou! Resposta:

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Q2281242

Q2281242 Inglês

Texto associado

Text CB1A2-I

Oppenheimer’s brief advance into astrophysics began with a 1938 paper about neutron stars, which continued in a 1939 installment that further incorporated the principles of Einstein’s general theory of relativity. He then published a third paper on black holes on September 1st, 1939—but at the time, it was scarcely noticed because this was the very day Germany invaded Poland, launching World War II. Oppenheimer never wrote on the topic again.

Even if it hadn’t been overshadowed by war, Oppenheimer’s work on neutron stars and black holes “was not understood to be terribly significant at the time,” says Cathryn Carson, a historian of science at the University of California, Berkeley.

Each paper was written with a different member of the swarm of graduate students that Oppenheimer carefully cultivated. These protégés facilitated his ability to jump between research topics—and ultimately, helped him develop some of his most important contributions to physics.

Oppenheimer’s climactic third paper, written with his student Hartland Snyder, explores the implications of general relativity on the universe’s most massive stars. Although the physicists needed to include some assumptions to simplify the question, they determined that a large enough star would gravitationally collapse indefinitely—and within a finite amount of time, meaning that the objects we now know as black holes could exist.

Internet: <scientificamerican.com> (adapted)

Based on text CB1A2-I, judge the following item.

With the help of his students, Oppenheimer could easily shift from one research topic to another.

Certo

Errado

Você errou! Resposta:

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Q2281243

Q2281243 Inglês

Texto associado

Text CB1A2-I

Oppenheimer’s brief advance into astrophysics began with a 1938 paper about neutron stars, which continued in a 1939 installment that further incorporated the principles of Einstein’s general theory of relativity. He then published a third paper on black holes on September 1st, 1939—but at the time, it was scarcely noticed because this was the very day Germany invaded Poland, launching World War II. Oppenheimer never wrote on the topic again.

Even if it hadn’t been overshadowed by war, Oppenheimer’s work on neutron stars and black holes “was not understood to be terribly significant at the time,” says Cathryn Carson, a historian of science at the University of California, Berkeley.

Each paper was written with a different member of the swarm of graduate students that Oppenheimer carefully cultivated. These protégés facilitated his ability to jump between research topics—and ultimately, helped him develop some of his most important contributions to physics.

Oppenheimer’s climactic third paper, written with his student Hartland Snyder, explores the implications of general relativity on the universe’s most massive stars. Although the physicists needed to include some assumptions to simplify the question, they determined that a large enough star would gravitationally collapse indefinitely—and within a finite amount of time, meaning that the objects we now know as black holes could exist.

Internet: <scientificamerican.com> (adapted)

Based on text CB1A2-I, judge the following item.

The word “war” (first sentence of the second paragraph) refers to any war.

Certo

Errado

Você errou! Resposta:

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Q2281244

Q2281244 Inglês

Texto associado

Text CB1A2-I

Oppenheimer’s brief advance into astrophysics began with a 1938 paper about neutron stars, which continued in a 1939 installment that further incorporated the principles of Einstein’s general theory of relativity. He then published a third paper on black holes on September 1st, 1939—but at the time, it was scarcely noticed because this was the very day Germany invaded Poland, launching World War II. Oppenheimer never wrote on the topic again.

Even if it hadn’t been overshadowed by war, Oppenheimer’s work on neutron stars and black holes “was not understood to be terribly significant at the time,” says Cathryn Carson, a historian of science at the University of California, Berkeley.

Each paper was written with a different member of the swarm of graduate students that Oppenheimer carefully cultivated. These protégés facilitated his ability to jump between research topics—and ultimately, helped him develop some of his most important contributions to physics.

Oppenheimer’s climactic third paper, written with his student Hartland Snyder, explores the implications of general relativity on the universe’s most massive stars. Although the physicists needed to include some assumptions to simplify the question, they determined that a large enough star would gravitationally collapse indefinitely—and within a finite amount of time, meaning that the objects we now know as black holes could exist.

Internet: <scientificamerican.com> (adapted)

Based on text CB1A2-I, judge the following item.

Hartland Snyder helped Oppenheimer write his least relevant paper in physics.

Certo

Errado

Você errou! Resposta:

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Q2281245

Q2281245 Inglês

Texto associado

Text CB1A2-I

Oppenheimer’s brief advance into astrophysics began with a 1938 paper about neutron stars, which continued in a 1939 installment that further incorporated the principles of Einstein’s general theory of relativity. He then published a third paper on black holes on September 1st, 1939—but at the time, it was scarcely noticed because this was the very day Germany invaded Poland, launching World War II. Oppenheimer never wrote on the topic again.

Even if it hadn’t been overshadowed by war, Oppenheimer’s work on neutron stars and black holes “was not understood to be terribly significant at the time,” says Cathryn Carson, a historian of science at the University of California, Berkeley.

Each paper was written with a different member of the swarm of graduate students that Oppenheimer carefully cultivated. These protégés facilitated his ability to jump between research topics—and ultimately, helped him develop some of his most important contributions to physics.

Oppenheimer’s climactic third paper, written with his student Hartland Snyder, explores the implications of general relativity on the universe’s most massive stars. Although the physicists needed to include some assumptions to simplify the question, they determined that a large enough star would gravitationally collapse indefinitely—and within a finite amount of time, meaning that the objects we now know as black holes could exist.

Internet: <scientificamerican.com> (adapted)

Based on the vocabulary and linguistic aspects of text CB1A2-I, judge the following item.
The pronoun “they” (last sentence of the last paragraph) refers to the word “assumptions”.

Certo

Errado

Você errou! Resposta:

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Q2281246

Q2281246 Inglês

Texto associado

Text CB1A2-I

Oppenheimer’s brief advance into astrophysics began with a 1938 paper about neutron stars, which continued in a 1939 installment that further incorporated the principles of Einstein’s general theory of relativity. He then published a third paper on black holes on September 1st, 1939—but at the time, it was scarcely noticed because this was the very day Germany invaded Poland, launching World War II. Oppenheimer never wrote on the topic again.

Even if it hadn’t been overshadowed by war, Oppenheimer’s work on neutron stars and black holes “was not understood to be terribly significant at the time,” says Cathryn Carson, a historian of science at the University of California, Berkeley.

Each paper was written with a different member of the swarm of graduate students that Oppenheimer carefully cultivated. These protégés facilitated his ability to jump between research topics—and ultimately, helped him develop some of his most important contributions to physics.

Oppenheimer’s climactic third paper, written with his student Hartland Snyder, explores the implications of general relativity on the universe’s most massive stars. Although the physicists needed to include some assumptions to simplify the question, they determined that a large enough star would gravitationally collapse indefinitely—and within a finite amount of time, meaning that the objects we now know as black holes could exist.

Internet: <scientificamerican.com> (adapted)

Based on the vocabulary and linguistic aspects of text CB1A2-I, judge the following item.

The word “overshadowed” (first sentence of the second paragraph) means, in the context of text CB1A2-I, “made less noticeable”.

Certo

Errado

Você errou! Resposta:

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Q2281247

Q2281247 Inglês

Texto associado

Text CB1A2-I

Oppenheimer’s brief advance into astrophysics began with a 1938 paper about neutron stars, which continued in a 1939 installment that further incorporated the principles of Einstein’s general theory of relativity. He then published a third paper on black holes on September 1st, 1939—but at the time, it was scarcely noticed because this was the very day Germany invaded Poland, launching World War II. Oppenheimer never wrote on the topic again.

Even if it hadn’t been overshadowed by war, Oppenheimer’s work on neutron stars and black holes “was not understood to be terribly significant at the time,” says Cathryn Carson, a historian of science at the University of California, Berkeley.

Each paper was written with a different member of the swarm of graduate students that Oppenheimer carefully cultivated. These protégés facilitated his ability to jump between research topics—and ultimately, helped him develop some of his most important contributions to physics.

Oppenheimer’s climactic third paper, written with his student Hartland Snyder, explores the implications of general relativity on the universe’s most massive stars. Although the physicists needed to include some assumptions to simplify the question, they determined that a large enough star would gravitationally collapse indefinitely—and within a finite amount of time, meaning that the objects we now know as black holes could exist.

Internet: <scientificamerican.com> (adapted)

Based on the vocabulary and linguistic aspects of text CB1A2-I, judge the following item.

The word “installment” (first sentence of the first paragraph) means, in the context of text CB1A2-I, “to make it ready to use”.

Certo

Errado

Você errou! Resposta:

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Q2281248

Q2281248 Inglês

Texto associado

Text CB1A2-I

Oppenheimer’s brief advance into astrophysics began with a 1938 paper about neutron stars, which continued in a 1939 installment that further incorporated the principles of Einstein’s general theory of relativity. He then published a third paper on black holes on September 1st, 1939—but at the time, it was scarcely noticed because this was the very day Germany invaded Poland, launching World War II. Oppenheimer never wrote on the topic again.

Even if it hadn’t been overshadowed by war, Oppenheimer’s work on neutron stars and black holes “was not understood to be terribly significant at the time,” says Cathryn Carson, a historian of science at the University of California, Berkeley.

Each paper was written with a different member of the swarm of graduate students that Oppenheimer carefully cultivated. These protégés facilitated his ability to jump between research topics—and ultimately, helped him develop some of his most important contributions to physics.

Oppenheimer’s climactic third paper, written with his student Hartland Snyder, explores the implications of general relativity on the universe’s most massive stars. Although the physicists needed to include some assumptions to simplify the question, they determined that a large enough star would gravitationally collapse indefinitely—and within a finite amount of time, meaning that the objects we now know as black holes could exist.

Internet: <scientificamerican.com> (adapted)

Based on the vocabulary and linguistic aspects of text CB1A2-I, judge the following item.

The word “physicists” means “medical doctors”.

Certo

Errado

Você errou! Resposta:

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Q2281249

Q2281249 Inglês

Texto associado

Text CB1A2-I

Oppenheimer’s brief advance into astrophysics began with a 1938 paper about neutron stars, which continued in a 1939 installment that further incorporated the principles of Einstein’s general theory of relativity. He then published a third paper on black holes on September 1st, 1939—but at the time, it was scarcely noticed because this was the very day Germany invaded Poland, launching World War II. Oppenheimer never wrote on the topic again.

Even if it hadn’t been overshadowed by war, Oppenheimer’s work on neutron stars and black holes “was not understood to be terribly significant at the time,” says Cathryn Carson, a historian of science at the University of California, Berkeley.

Each paper was written with a different member of the swarm of graduate students that Oppenheimer carefully cultivated. These protégés facilitated his ability to jump between research topics—and ultimately, helped him develop some of his most important contributions to physics.

Oppenheimer’s climactic third paper, written with his student Hartland Snyder, explores the implications of general relativity on the universe’s most massive stars. Although the physicists needed to include some assumptions to simplify the question, they determined that a large enough star would gravitationally collapse indefinitely—and within a finite amount of time, meaning that the objects we now know as black holes could exist.

Internet: <scientificamerican.com> (adapted)

Based on the vocabulary and linguistic aspects of text CB1A2-I, judge the following item.

Graduate students are people studying for a master’s degree or doctorate.

Certo

Errado

Você errou! Resposta:

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Q2286420

Ano: 2023 Banca: CESPE / CEBRASPE Órgão: TBG Prova: CESPE / CEBRASPE - 2023 - TBG - Engenheiro Júnior – Ênfase: Manutenção |

Q2286420 Engenharia Mecânica

Em relação à manutenção centrada na confiabilidade (RCM) e aos conceitos de falha e defeito, julgue o item subsequente.

Um dos objetivos da RCM é a resposta imediata a falhas inesperadas.

Certo

Errado

Você errou! Resposta:

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Q2286421

Ano: 2023 Banca: CESPE / CEBRASPE Órgão: TBG Prova: CESPE / CEBRASPE - 2023 - TBG - Engenheiro Júnior – Ênfase: Manutenção |

Q2286421 Engenharia Mecânica

Em relação à manutenção centrada na confiabilidade (RCM) e aos conceitos de falha e defeito, julgue o item subsequente.

Falhas são eventos que ocorrem devido a fatores externos, ao enquanto defeitos são problemas decorrentes de fatores internos inerentes ao equipamento.

Certo

Errado

Você errou! Resposta:

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Q2286422

Ano: 2023 Banca: CESPE / CEBRASPE Órgão: TBG Prova: CESPE / CEBRASPE - 2023 - TBG - Engenheiro Júnior – Ênfase: Manutenção |

Q2286422 Engenharia Mecânica

Em relação à manutenção centrada na confiabilidade (RCM) e aos conceitos de falha e defeito, julgue o item subsequente.

A correção de defeitos, antes que se transformem em falhas, é um dos objetivos da RCM.

Certo

Errado

Você errou! Resposta:

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Q2286423

Ano: 2023 Banca: CESPE / CEBRASPE Órgão: TBG Prova: CESPE / CEBRASPE - 2023 - TBG - Engenheiro Júnior – Ênfase: Manutenção |

Q2286423 Engenharia Mecânica

Em relação à manutenção centrada na confiabilidade (RCM) e aos conceitos de falha e defeito, julgue o item subsequente.

A RCM tem a função de reduzir a frequência das tarefas de manutenção planejadas.

Certo

Errado

Você errou! Resposta:

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Q2286424

Ano: 2023 Banca: CESPE / CEBRASPE Órgão: TBG Prova: CESPE / CEBRASPE - 2023 - TBG - Engenheiro Júnior – Ênfase: Manutenção |

Q2286424 Engenharia Mecânica

Em relação à manutenção centrada na confiabilidade (RCM) e aos conceitos de falha e defeito, julgue o item subsequente.

Configura exemplo de falha em um processo de fabricação o caso de uma válvula que apresenta carga de fuga por problemas na vedação, o que resulta na redução da eficiência do sistema.

Certo

Errado

Você errou! Resposta:

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Q2286425

Ano: 2023 Banca: CESPE / CEBRASPE Órgão: TBG Prova: CESPE / CEBRASPE - 2023 - TBG - Engenheiro Júnior – Ênfase: Manutenção |

Q2286425 Engenharia Mecânica

Acerca da termodinâmica, julgue o seguinte item.

Para que ocorra a compressão de um gás em uma planta de produção, é necessário fornecer trabalho, havendo trocas de calor.

Certo

Errado

Q2286426

Ano: 2023 Banca: CESPE / CEBRASPE Órgão: TBG Prova: CESPE / CEBRASPE - 2023 - TBG - Engenheiro Júnior – Ênfase: Manutenção |

Q2286426 Engenharia Mecânica

Acerca da termodinâmica, julgue o seguinte item.

Um processo que ocorre à pressão constante é denominado isobárico, no qual é nulo o trabalho realizado sobre um gás ideal.

Certo

Errado

Você errou! Resposta:

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Q2286427

Ano: 2023 Banca: CESPE / CEBRASPE Órgão: TBG Prova: CESPE / CEBRASPE - 2023 - TBG - Engenheiro Júnior – Ênfase: Manutenção |

Q2286427 Engenharia Mecânica

Acerca da termodinâmica, julgue o seguinte item.

De acordo com a primeira lei da termodinâmica, após a admissão de 1.000 J de calor em uma planta de gás e a realização de um trabalho de 600 J, serão usados 400 J na variação de energia interna do gás.

Certo

Errado

Você errou! Resposta:

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Q2286428

Ano: 2023 Banca: CESPE / CEBRASPE Órgão: TBG Prova: CESPE / CEBRASPE - 2023 - TBG - Engenheiro Júnior – Ênfase: Manutenção |

Q2286428 Engenharia Mecânica

Acerca da termodinâmica, julgue o seguinte item.

Temperatura é a propriedade termodinâmica que representa a quantidade de energia contida no sistema devido a seu movimento molecular.

Certo

Errado

Você errou! Resposta:

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Q2286429

Ano: 2023 Banca: CESPE / CEBRASPE Órgão: TBG Prova: CESPE / CEBRASPE - 2023 - TBG - Engenheiro Júnior – Ênfase: Manutenção |

Q2286429 Engenharia Mecânica

Acerca da termodinâmica, julgue o seguinte item.

Durante o processo de expansão de um gás, a energia interna diminui.

Certo

Errado

Quer um estudo ilimitado?

Quer um estudo ilimitado?

Questões de Concurso Público TBG 2023 para Engenheiro Júnior – Ênfase: Manutenção

Foram encontradas 100 questões