Question

Which is the most accurate gasoline injection system?

(a) direct injection

(b) port injection

(c) throttle body injection

(d) manifold injection

I got this question in my homework.

This is a very interesting question from Fuel Injection In S.I. Engine topic in division Mechanical Injection Systems of IC Engine

Answer 1

Right answer is (b) port injection

To explain I would say: Of all the gasoline injection system, the most accurate gasoline injection system is port injection.