janneellz

24.03.2020 13:20

Английский язык

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Выпиши из текста предложения с глаголами в форме причастия, герундийского или сослагательного наклонения. injection engines there are many liquid fuels which are hard to evaporate. such a fuel can be utilized in internal combustion engines by spraying or injecting it directly into the combustion chamber at the time combustion is to begin-after the air is compressed. in doing so, the liquid must be well broken up into small droplets (atomized), and it must be made to penetrate evenly throughout the entire combustion chamber filled with compressed air, in order to secure the most intimate and uniform mixture which is so necessary for good combustion. injection engines can be of both the four- and the two-cycle types. it is obvious that during scavenging in two-cycle engines a portion of the fresh charge may be lost through the exhaust with the waste gases. in mixture engines of the two-cycle type some fuel is thereby lost, where as in injection engines of the two cycle type only air may thus be lost, since the fuel is not introduced until after compression. from this it follows that mixture engines are best suited for four-cycle operation while injection engines can be of both types, and that injection engines are the only ones which will fully bring out the advantages of the two-cycle principle.