Question: Determine which ?short statement(s)? are correct: (a) A transfer function can be used to provide information about how a process will respond to a single

Determine which ?short statement(s)? are correct:

(a) A transfer function can be used to provide information about how a process will respond to a single input. For a particular input change, it provides:

(i) Only steady-state information about the resulting output change.

(ii) Only dynamic information about the output change.

(iii) Both steady-state and dynamic information about the output change.

(b) Laplace transform methods that form the basis for the development of transfer functions are only applicable, strictly speaking, when the process model is linear. If a process model is nonlinear:

(i) A transfer function cannot be obtained.

(ii) A transfer function that describes the process operation exactly can be obtained.

(iii) A transfer function that describes the process operation approximately can be obtained.

(c) Three functions of the Laplace operator a are denoted by M(s), U(s), and V(s). These represent:

(i) Transfer functions.

(ii) Process inputs that have been transformed.

(iii) Process outputs that have been transformed.

(iv) None of (i)?(iii).

(v) Any of (i)?(iii).

(d) A model equation developed using first principles contain the term Cvh3/2 where C is a constant and h is a variable. The linearized form expressed in terms of deviation variable h? is:

(i) C,E (ii) CAh (iii) C.Ah (iv) C.A (v) C.A

(i) C,E (ii) CAh (iii) C.Ah (iv) C.A (v) C.A

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