Question

which type of control system uses feedback to adjust its actions? manual loop closed loop open loop simple loop

Explanation:

Closed - loop control systems use feedback to adjust their actions. They compare the actual output with the desired output and make corrections accordingly. Manual loop is not a standard control - system type in this context. Open - loop systems do not use feedback for adjustment. Simple loop is not a recognized term for this specific concept.

Answer:

B. Closed loop