What are the factors that limit the efficiency of a cycle Otto engine? I - The compression ratio, which is the proportion between the maximum and ...
What are the factors that limit the efficiency of a cycle Otto engine?
I - The compression ratio, which is the proportion between the maximum and minimum volumes of the combustion chamber.
II - The type of fuel used, which must have a high octane rating to avoid detonation.
III - The air/fuel mixture ratio, which must be stoichiometric to achieve ideal combustion.
IV - The number of cylinders in the engine, which affects the power output and efficiency.
a) Only I and II are correct.
b) Only II and III are correct.
c) Only I, II, and III are correct.
d) Only II, III, and IV are correct.
e) All statements are correct.
I - The compression ratio, which is the proportion between the maximum and minimum volumes of the combustion chamber.
II - The type of fuel used, which must have a high octane rating to avoid detonation.
III - The air/fuel mixture ratio, which must be stoichiometric to achieve ideal combustion.
IV - The number of cylinders in the engine, which affects the power output and efficiency.
a) Only I and II are correct.
b) Only II and III are correct.
c) Only I, II, and III are correct.
d) Only II, III, and IV are correct.
e) All statements are correct.
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💡 1 Resposta
Ed 
A resposta correta é a alternativa c) Apenas I, II e III estão corretas. Os fatores que limitam a eficiência de um motor ciclo Otto são: a relação de compressão (I), o tipo de combustível utilizado (II) e a proporção ar/combustível (III). O número de cilindros (IV) não é um fator que limita diretamente a eficiência do motor.
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