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A pressão manométrica ou pressão efetiva é resultado da diferença entre pressão absoluta e pressão atmosférica local.
O barômetro de mercúrio permite, em diversas aplicações, a medição da pressão absoluta.
Com relação a convenções de desenho isométrico de tubulações e acessórios, julgue o item que se segue, considerando as figuras acima.
Uma válvula de retenção está representada na figura III.
Com relação a convenções de desenho isométrico de tubulações e acessórios, julgue o item que se segue, considerando as figuras acima.
A figura II representa uma válvula borboleta.
A figura abaixo representa um pressostato tipo raquete com conexão flangeada.
O manômetro de tubo em U é um equipamento que permite a medição da diferença de pressão entre dois pontos e, por isso, dispensa calibração.
Refer to the above text to judge the following item.
“it”, in “which it usually is” (ℓ.30), refers to gasohol.
Refer to the above text to judge the following item.
“so long as” (ℓ.29) can be correctly replaced by provided.
Refer to the above text to judge the following item.
“rule of thumb” (ℓ.29) is related to experience.
Refer to the above text to judge the following item.
The use of “So” (ℓ.28) indicates that what follows is a
consequence of what was previously mentioned.
Refer to the above text to judge the following item.
“fewer” (ℓ.27) is the opposite of more.
According to the text, the rise of world sugar prices in the late 1980s immediately brought about
a near-absence of ethanol-powered cars by 2002.
According to the text, the rise of world sugar prices in the late 1980s immediately brought about
a significant decrease in the production of ethanol.
According to the text, the rise of world sugar prices in the late 1980s immediately brought about
Brazil’s supremacy as an ethanol producer.
According to the text, the rise of world sugar prices in the late 1980s immediately brought about
a higher demand for ethanol-only vehicles.
According to the text, the rise of world sugar prices in the late 1980s immediately brought about
a decrease in ethanol prices.
According to the text, the rise of world sugar prices in the late 1980s immediately brought about
more consumption of ethanol.
According to the text, the history of the ethanol program in Brazil shows that
this program seems to be an intelligent solution to deal with
market price crises.
According to the text, the history of the ethanol program in Brazil shows that
this program progressed without difficulty from the very
beginning.
According to the text, the history of the ethanol program in Brazil shows that
the combination of land and climate conditions was a key
factor in the production of ethanol.
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