Considering the efficiency of a machine, which of the following options is POSSIBLE and REVERSIBLE?
a) ???? = ????2 − ????1 . : ????1 = 150 ???????? ????????�...
Considering the efficiency of a machine, which of the following options is POSSIBLE and REVERSIBLE?
a) ???? = ????2 − ????1 . : ????1 = 150 ???????? ???????????????? = 1 − 150 1000 = 85% IMPOSSIVEL b) ???? = ????2 − ????1 . : ???? = 1600 ???????? ???????????????? = 1 − 400 2000 = 80% POSSIVEL e REVERSIVEL c) ???? = ????2 − ????1 . : ????2 = 2100 ???????? ???????????????? = 1 − 500 2100 ≈ 76% POSSIVEL e IRREVERSIVEL d) ???? = 1 − ????1 ????2 . : ????1 = 700 ???????? ???????????????? = 1 − 700 1000 = 30% POSSIVEL e IRREVERSÍVEL a) a b) b c) c d) d
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