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Q2348165 Inglês
     What is agronomy? An agronomist, or crop scientist, studies plants and how they can be grown, modified, and used to benefit society. They use science to carry out experiments that create new techniques for agriculture production. Agronomy has existed and been important for humans since the invention of farming.

Internet: <unity.edu> (with adaptations).


According to the text, judge the item from.

In the last period of the text the word “since” can be correctly replaced by the word for.  
Alternativas
Q2348164 Inglês
    Agronomy looks at agriculture from an integrated, holistic perspective. Agronomists are specialists in crop and soil science, as well as ecology. Some things they look at are:


• the properties of the soil;
• how the soil interacts with the growing crop;
• what nutrients (fertilizers) the crop needs;
• when and how to apply these nutrients;
• the ways that crops grow and develop;
• how climate and other environmental factors affect the crop at all stages;
• how best to control weeds, insects, fungi, and other crop pests; and,
• how to grow crops effectively and profitably while conserving and protecting the environment.



Internet: <www.agronomy.org> (with adaptations).
According to the text, judge the item from.

There are five occurrences of the verb to be in the text. 
Alternativas
Q2348163 Inglês
    Agronomy looks at agriculture from an integrated, holistic perspective. Agronomists are specialists in crop and soil science, as well as ecology. Some things they look at are:


• the properties of the soil;
• how the soil interacts with the growing crop;
• what nutrients (fertilizers) the crop needs;
• when and how to apply these nutrients;
• the ways that crops grow and develop;
• how climate and other environmental factors affect the crop at all stages;
• how best to control weeds, insects, fungi, and other crop pests; and,
• how to grow crops effectively and profitably while conserving and protecting the environment.



Internet: <www.agronomy.org> (with adaptations).
According to the text, judge the item from.

Agronomists need to pay attention to the growth and development of the crops.

Alternativas
Q2348162 Inglês
    Agronomy looks at agriculture from an integrated, holistic perspective. Agronomists are specialists in crop and soil science, as well as ecology. Some things they look at are:


• the properties of the soil;
• how the soil interacts with the growing crop;
• what nutrients (fertilizers) the crop needs;
• when and how to apply these nutrients;
• the ways that crops grow and develop;
• how climate and other environmental factors affect the crop at all stages;
• how best to control weeds, insects, fungi, and other crop pests; and,
• how to grow crops effectively and profitably while conserving and protecting the environment.



Internet: <www.agronomy.org> (with adaptations).
According to the text, judge the item from.

Agronomists need to be aware of in what manners climate and other environmental factors affect the crop and also how to grow weeds, insects, fungi and other crop pests.
Alternativas
Q2348161 Inglês
    Agronomy looks at agriculture from an integrated, holistic perspective. Agronomists are specialists in crop and soil science, as well as ecology. Some things they look at are:


• the properties of the soil;
• how the soil interacts with the growing crop;
• what nutrients (fertilizers) the crop needs;
• when and how to apply these nutrients;
• the ways that crops grow and develop;
• how climate and other environmental factors affect the crop at all stages;
• how best to control weeds, insects, fungi, and other crop pests; and,
• how to grow crops effectively and profitably while conserving and protecting the environment.



Internet: <www.agronomy.org> (with adaptations).
According to the text, judge the item from.

In the last period of the text, there are two adverbs, effectively and profitably, that derives from effective and profitable, respectively.

Alternativas
Q2348160 Inglês
    Agronomy looks at agriculture from an integrated, holistic perspective. Agronomists are specialists in crop and soil science, as well as ecology. Some things they look at are:


• the properties of the soil;
• how the soil interacts with the growing crop;
• what nutrients (fertilizers) the crop needs;
• when and how to apply these nutrients;
• the ways that crops grow and develop;
• how climate and other environmental factors affect the crop at all stages;
• how best to control weeds, insects, fungi, and other crop pests; and,
• how to grow crops effectively and profitably while conserving and protecting the environment.



Internet: <www.agronomy.org> (with adaptations).
According to the text, judge the item from.

In the first line of the text, the verb “to look” is conjugated in the 3rd person singular to agree with the subject “Agronomy”, which could be correctly replaced by the pronoun he.


Alternativas
Q2348159 Inglês
    Agronomy looks at agriculture from an integrated, holistic perspective. Agronomists are specialists in crop and soil science, as well as ecology. Some things they look at are:


• the properties of the soil;
• how the soil interacts with the growing crop;
• what nutrients (fertilizers) the crop needs;
• when and how to apply these nutrients;
• the ways that crops grow and develop;
• how climate and other environmental factors affect the crop at all stages;
• how best to control weeds, insects, fungi, and other crop pests; and,
• how to grow crops effectively and profitably while conserving and protecting the environment.



Internet: <www.agronomy.org> (with adaptations).
According to the text, judge the item from.

The word “crop” is mentioned several times in the text. One of its meanings can be expressed as the produce of cultivated plants, especially cereals, vegetables, and fruit.
Alternativas
Q2348158 Inglês
    Agronomy looks at agriculture from an integrated, holistic perspective. Agronomists are specialists in crop and soil science, as well as ecology. Some things they look at are:


• the properties of the soil;
• how the soil interacts with the growing crop;
• what nutrients (fertilizers) the crop needs;
• when and how to apply these nutrients;
• the ways that crops grow and develop;
• how climate and other environmental factors affect the crop at all stages;
• how best to control weeds, insects, fungi, and other crop pests; and,
• how to grow crops effectively and profitably while conserving and protecting the environment.



Internet: <www.agronomy.org> (with adaptations).

According to the text, judge the item from.


According to the text, agronomists are specialized in ecology as well as in science. Therefore, they can be called environmental scientists and they share a very peculiar perspective of agriculture. 


Alternativas
Q2293710 Segurança e Saúde no Trabalho
Com base na Norma Regulamentadora (NR) 13 – caldeiras, vasos de pressão, tubulações e tanques metálicos de armazenamento, que estabelece requisitos mínimos para gestão segura desses equipamentos, julgue o item.

Referente à classificação dos fluidos contidos nos vasos de pressão, o acetileno é considerado fluido Classe A.
Alternativas
Q2293709 Segurança e Saúde no Trabalho
Com base na Norma Regulamentadora (NR) 13 – caldeiras, vasos de pressão, tubulações e tanques metálicos de armazenamento, que estabelece requisitos mínimos para gestão segura desses equipamentos, julgue o item.
As caldeiras da categoria A são aquelas cuja pressão é igual ou superior a 60 kPA (0,61 kgf/cm²) e inferior a 1.960 kPa (19,98 kgf/cm²).
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Q2293708 Segurança e Saúde no Trabalho
Com base na Norma Regulamentadora (NR) 13 – caldeiras, vasos de pressão, tubulações e tanques metálicos de armazenamento, que estabelece requisitos mínimos para gestão segura desses equipamentos, julgue o item.

 A NR‑13 é aplicada inclusive para panelas de cocção.
Alternativas
Q2293707 Engenharia Mecânica

Quanto à refrigeração e ao ar‑condicionado, julgue o item.


O Protocolo de Montreal é um tratado internacional que visa proteger a camada de Ozônio por meio da eliminação da produção e do consumo das substâncias responsáveis por sua destruição, entre eles está o gás refrigerante R22.

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Q2293706 Engenharia Mecânica
Quanto à refrigeração e ao ar‑condicionado, julgue o item.

O gás amônia é um gás de refrigeração bastante utilizado em refrigeração de frigoríficos. Esse gás é tóxico e possui grande solubilidade em água, na forma gasosa se dissolve nas mucosas dos olhos e no trato respiratório superior, exercendo efeito irritante intenso e dano devido sua ação cáusti ca alcalina.
Alternativas
Q2293705 Engenharia Mecânica
Imagem associada para resolução da questão

Quanto à refrigeração e ao ar‑condicionado, julgue o item.
O ciclo da figura anterior requer um consumo muito pequeno de trabalho, porque o processo de bombeamento envolve um líquido.

Alternativas
Q2293704 Engenharia Mecânica

Quanto à refrigeração e ao ar‑condicionado, julgue o item.


A figura a seguir representa um ciclo regenerativo de refrigeração à base de amônia.


Imagem associada para resolução da questão

Alternativas
Q2293703 Engenharia Mecânica
A respeito das máquinas de elevação e transporte e dos materiais empregados na sua construção, julgue o item.  

Aço 1020 é um aço com percentual médio de carbono de 0,20%.
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Q2293702 Engenharia Mecânica
A respeito das máquinas de elevação e transporte e dos materiais empregados na sua construção, julgue o item.  
Aços inoxidáveis martensíticos possuem como característica predominante a capacidade de adquirir estrutura martensítica por tempera além de não serem ferromagnéticos.
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Q2293701 Engenharia Mecânica
A respeito das máquinas de elevação e transporte e dos materiais empregados na sua construção, julgue o item.  

Alma saltada é uma característica causada pelo alívio repentino de tensão do cabo de aço, provocando um desequilíbrio de tensão entre as pernas, impedindo a continuidade de uso deste.

Imagem associada para resolução da questão
Alternativas
Q2293700 Engenharia Mecânica
A respeito das máquinas de elevação e transporte e dos materiais empregados na sua construção, julgue o item.  

Os cabos de aço com revesti mento galvânico aumentam a resistência do cabo contra a corrosão e abrasão, visto que o revestimento de zinco proporciona menos atrito entre as polias e os arames.
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Q2293699 Engenharia Mecânica
A respeito das máquinas de elevação e transporte e dos materiais empregados na sua construção, julgue o item.  

Suponha‑se que um sistema de elevação de cargas com 6 cabos e rendimento de 50% foi dimensionado para 60 toneladas. Nesse caso, é correto afi rmar que cada cabo suporta 5 toneladas.
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Respostas
221: E
222: E
223: C
224: E
225: C
226: E
227: C
228: E
229: C
230: E
231: E
232: C
233: C
234: C
235: E
236: C
237: E
238: C
239: C
240: E