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How is the time given for the mixing of air and petrol concerning the port injection system?

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in Automotive Engine Design by (137k points)
How is the time given for the mixing of air and petrol concerning the port injection system?

(a) More

(b) Less

(c) No time

(d) Has no effect

The question was asked in an online quiz.

I need to ask this question from Petrol Injection topic in chapter Petrol Engine Fuel Supply System of Automotive Engine Design

1 Answer

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Best answer
Right option is (a) More

To explain: In the port injection the injection is made in such a way that it gives more time for the mixing of air and petrol moreover the system is more precise than throttle body type since the fuel delivery does not depend upon air to carry the fuel through the intake manifold.

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