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Comentadas para engenheiro de equipamento júnior - terminais e dutos
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julgue o item que se segue.
A variável aleatória X2 segue uma distribuição de Bernoulli cuja probabilidade de sucesso é igual a 2a.
julgue o item que se segue.
O valor esperado da distribuição de X é igual a zero.
julgue o item que se segue.
O desvio padrão de X é igual a 2√a.
Na situação a seguir, se o coeficiente de atrito entre a rampa e o bloco, de peso 200 N, é µ = 0,35, então o bloco não escorregará na rampa se F for superior a 55 N.
Considerando o pórtico mostrado na figura precedente, julgue o próximo item.
A barra AC está submetida a uma carga normal de
compressão, que decresce de A para C em razão da ação,
sobre ela, das cargas distribuídas: horizontal de 10 kN/m e
vertical de 30 kN/m.
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.