What is the formula for the transfer function in terms of Laplace transforms?

C(s) = R(s) . G(s)

Which element of a block diagram represents the mathematical operation on the input signal?

Functional Block

True or False: In a block diagram, blocks connected in series result in the addition of their transfer functions.

False. In series, blocks multiply their transfer functions.

Riddle: I can represent inputs and outputs, but I'm not a circuit. I simplify control systems and show relationships. What am I?

Block Diagram

The point in a block diagram where multiple signals are combined is known as ______.

Summing Point

Which rule states that when blocks are connected in parallel, the resultant transfer function is the sum of the individual blocks?

Rule of Blocks in Parallel Reduction

True or False: The signal flow graph (SFG) is only applicable to nonlinear systems.

False. SFG is applicable only to linear systems.

What do you call the gain of a path from an input node to an output node in a signal flow graph?

Forward Path Gain

Which of the following statements is correct regarding a closed-loop control system? A) There is no feedback. B) It compares the output with the input. C) It has only one input. D) It cannot be represented by a block diagram.

B) It compares the output with the input.

Fill in the blank: The process of reducing a block diagram to simplify analysis is known as ______.

Block Diagram Reduction