The answer is B. A only. The optimum valve timing is found through experimentation using an engine dynamometer. The timing of the opening and closing of the valves is called valve timing. So the use of dynamometer measures the power output of a machine that is why it can measure the optimum valve timing.
If you’re talking about the rank then it just means your ambitious i guess and you got it by answering peoples questions
Answer:
I believe you need a internet connection for that or try a Hotspot that can work too.
Answer:icons
Explanation:The reason it is icons is because icons can become pictures
The answer would be Assembly language as assembly language is not used for web development, but rather is a low level programming language.
Please mark branliest if this helped!!