For each cylinder, one injector is needed so a four-cylinder engine will have 4 injectors. Usually, it will be present near the intake manifold. So the port of the Electronic Fuel Injection – EFI needs four injectors in the calculation of one per one cylinder.
Generally, in engines there will be one injector per cylinder. In that calculation when you have a four-cylinder engine should have 4 injectors. If four injectors are not able to keep up your engine to meet the machine performance, you can add additionally.
Answer: when the death rate is equal to the birth rate the population growth is zero that means there is no increase and decrease of population in that particular year.
