Questões da Prova Exército - 2016 - IME - Aluno - Português e Inglês

                                                                         Texto 5

                              HIGH-TECH EAVESDROPPING ON THE GANGES RIVER DOLPHIN

                 SONAR SIGNALS HOLD CLUES THAT COULD SAVE AN ENDANGERED SPECIES

    The Ganges river dolphin is one of only two remaining freshwater dolphin species on Earth. But pollution, fishing, and dams threaten to wipe it out entirely.

    So acoustical engineer Harumi Sugimatsu and her team have deployed an experimental sonar monitoring system just under the surface of the murky water. The hope is to track the dolphins by the high-frequency clicks they use to navigate and hunt. By eavesdropping on their underwater lives, Sugimatsu believes she can gather data about their behavior and geographical range—data that conservationists can use in their struggle to keep the species from going extinct.

IEEE Spectrum. High-tech eavesdropping on the ganges river dolphin. In: IEEE Spectrum, 2016. Disponível em:<http://spectrum.ieee.org/video/green-tech/conservation/hightech-eavesdropping-on-the-ganges-river-dolphin> . Acesso em: 15/06/2016. 

                                                       Texto 4

      When he was 19, in 1898, Albert Einstein was refused a place at the Munich Technical Institute because he 'showed no promise'. Three years later, Einstein took Swiss citizenship and became an examiner at the Swiss Patent Office. In his spare time, he continued his study of physics and by 1905 had advanced so far that he was able to publish the first of his celebrated papers on the theory of relativity which earned worldwide fame.

In: I wish I’d never said that, Oxford, Past Times, 2001, p. 60. 

Texto 1

                  LANDFILLS AND THE INTRODUCTION OF NANOMATERIALS IN WASTE

      Waste disposal on land (dumping) and landfilling remain the most prominent waste management techniques used ______. The standards and practices for this type of waste disposal vary greatly ranging from uncontrolled sites to highly specialised and controlled engineered landfills. The potential ______ of contaminants through landfill gas and leachate is largely dependent on landfill design, site conditions and the sophistication of the control measures in place, ______ landfill gas recovery and leachate collection and treatment systems.

Modern engineered landfills use ______ barriers, with few relying on natural barriers, to line the bottom of a landfill and incorporate collection systems for both leachate and landfill gas. The purpose of these collection systems is to capture and treat leachate and landfill gas; ______ preventing the migration of leachate into ground/surface water and the release of untreated landfill gases to the atmosphere. An un-engineered landfill would be considered an uncontrolled system due to the lack of environmental controls, potentially resulting in significant environmental exposure of contaminants.

      Because of widespread use of ENMs in a broad range of products, it is possible that some ENMs ______ through landfill gases; however this report will primarily focus on ENMs that may be present in landfill leachate, as this is considered to be the primary means by which ENMs could be transported______ a landfill. Characterisation of landfill gases to identify the presence of ENMs ______ an important area for further research.

      Landfill leachate is generated when rain passes through the waste mass and by the liquid generated due to the breakdown of waste ______ the landfill. The composition of leachate is extremely ______ depending on the type of waste landfilled, the quantity of precipitation, the construction and operation of the landfill, the age of the landfill and other factors such as pH, temperature and microbial populations.

                                                                              (…)

ENMs = engineered nanomaterials.

Organisation for Economic Co-operation and Development. Landfills and the introduction of nanomaterials in waste. In: Landfilling of waste containing nanomaterials and nanowaste, 2015. Disponível em: . Acesso em: 22/04/2015.