Questões de Concurso Para engenheiro mecânico

A figura precedente mostra um tanque industrial utilizado para o armazenamento de um fluido, que é agitado por um misturador. Considerando o tanque e o fluido como um sistema, julgue o item a seguir. 

Se o calor transferido do tanque é de 400 kJ e o trabalho realizado pelo misturador é de 1.400 kcal, então a variação de energia interna do sistema é superior a 5.500 kcal. 

Fase de uma substância é definida como uma quantidade de matéria totalmente homogênea. Quando mais de uma fase estão presentes, elas se acham separadas entre si por meio dos contornos das fases; em cada fase, a substância pode existir em vários estados, descritos por certas propriedades macroscópicas observáveis, como temperatura, pressão e densidade. A respeito desse assunto, julgue o item seguinte.

Em um dado estado da substância, cada uma das suas propriedades pode ter mais de um valor definido, dependendo da forma pela qual a substância atingiu o estado considerado. 

Fase de uma substância é definida como uma quantidade de matéria totalmente homogênea. Quando mais de uma fase estão presentes, elas se acham separadas entre si por meio dos contornos das fases; em cada fase, a substância pode existir em vários estados, descritos por certas propriedades macroscópicas observáveis, como temperatura, pressão e densidade. A respeito desse assunto, julgue o item seguinte.

As propriedades termodinâmicas das classes intensivas são independentes da massa. 

Judge the following item, based on the previous text.

According to the text, the speculations about extraterrestrial life started in the late 1800s due to canal-like features observed on Mars.

Judge the following item, based on the previous text.

The War of the Worlds was a radio drama that told the real story of an invasion from Mars, panicking countless people.

Considering the previous text, judge the following item. 

Although there is a movement of people ditching their smartphones in order to have what they think is a better life quality, millions believe digital technology is essential to everyone’s lives. 

Considering the previous text, judge the following item. 

In the sentence ‘They are blunting cognition and impeding productivity’ (ninth paragraph), the pronoun ‘They’ refers to the “nine out of 10 people in the UK who own a smartphone” (seventh paragraph).

Considering the previous text, judge the following item.

It was when Dulcie Cowling was in the park with her two kids that she took her decision to ditch her smartphone and then she told her family and friends about it after Christmas.

Considering the previous text, judge the following item.

People who are giving up on their mobile devices believe they were spending too much time with being connected and they were missing their real lives because of that.

Considering the previous text, judge the following item. 

In the sentence (thirteenth paragraph) “Yet, while some worry about how much time they spend on their handset, for millions of others they are a godsend.”, the word “Yet” is synonymous with However. 

Considering the previous text, judge the following item.  

According to the text, handsets are essential for people because sometimes healthcare, education and social services are offered only through smartphones.

Concerning the previous text and its linguistic aspects, judge the following item.  

According to the text, in Spain there are villages that were very important cities during the time of the American Wild West. 

Concerning the previous text and its linguistic aspects, judge the following item.

Rafael Molina owns one of the most famous film sets in the history of Western movies.

Concerning the previous text and its linguistic aspects, judge the following item. 

It can be inferred from the text that many different productions were made in Almería because its landscapes are very convenient and diversified. 

Concerning the previous text and its linguistic aspects, judge the following item.  

The fragment “Fernández started his career as a cowboy after completing a stuntman course a decade ago” can be correctly rewritten as A decade ago, Fernández started his career as a cowboy and then he completed a stuntman course, without changing the meaning of the text. 

Concerning the previous text and its linguistic aspects, judge the following item.  

In the sentence “In one show, Fernández portrays a bank robber who absconds with some gold”, the fragment “absconds with” could be correctly replaced with keeps, without changing the meaning of the text.

Concerning the previous text and its linguistic aspects, judge the following item.

According to the text, the Almería’s actors have already played in Texas, New Mexico, Arizona, California, and endless other natural settings.

Concerning the previous text and its linguistic aspects, judge the following item.

In the fragment ‘The good guy only has to keep things in order’, the word ‘has’ could be correctly replaced with must, without changing the meaning of the text.

Concerning the previous text and its linguistic aspects, judge the following item. 

According to the text, the actors of the small community in Tabernas avoid being like their movie heroes.

Concerning the previous text and its linguistic aspects, judge the following item.  

In the fifth paragraph, the word “stuntman” means a man who performs a dangerous action which needs to be done by someone skilled, especially instead of an actor in a film or television programme.