Questões de Concurso Para técnico de instrumentação

Com relação a instrumentos para medida de grandezas físicas, julgue o item a seguir. 
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.

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“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.