Answer: here is the answer ☀️keep on shining☀️
Explanation:
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.
Answer:
Calculus is a branch of mathematics focused on limits, functions, derivatives, integrals, and infinite series. ... Calculus has widespread applications in science, economics, and engineering and can solve many problems for which algebra alone is insufficient.