What is the top-feed vertical feeding procedure? I- Each cylinder is assigned an injector. II- The four injectors are inserted from the top into t...
What is the top-feed vertical feeding procedure?
I- Each cylinder is assigned an injector.
II- The four injectors are inserted from the top into the fuel distribution rail and from the bottom into the engine's intake manifold.
III- The fuel flows from top to bottom, in the vertical feeding procedure called "top-feed".
IV- The mixture preparation is improved by the additional air bath in which the injectors are located.
a) I and II are correct.
b) II and III are correct.
c) I, II, III, and IV are correct.
d) Only IV is correct.
I- Each cylinder is assigned an injector.
II- The four injectors are inserted from the top into the fuel distribution rail and from the bottom into the engine's intake manifold.
III- The fuel flows from top to bottom, in the vertical feeding procedure called "top-feed".
IV- The mixture preparation is improved by the additional air bath in which the injectors are located.
a) I and II are correct.
b) II and III are correct.
c) I, II, III, and IV are correct.
d) Only IV is correct.
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Ed 
A alternativa correta é a letra B) II e III estão corretas. Nesse procedimento de alimentação vertical de alimentação superior, os quatro injetores são inseridos de cima para baixo no trilho de distribuição de combustível e de baixo para cima no coletor de admissão do motor. O combustível flui de cima para baixo, no procedimento de alimentação vertical chamado "top-feed". Além disso, a preparação da mistura é melhorada pelo banho de ar adicional no qual os injetores estão localizados.
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