Control Systems
In signal flow graph input node is node having only------------

 incoming branches.
None of these
 outgoing branches.
 both 1 and 2.

ANSWER DOWNLOAD EXAMIANS APP

Control Systems
For a transfer function H (s) = P(s) / Q(s), where P (s) and Q (s) are polynomials in s. Then

  degree of P (s) is independent of degree of Q (s).
 the degree of P (s) is always greater than the degree of Q (s).
 the degree of P (s) and Q (s) are same.
 maximum degree of P (s) and Q (s) differ at most by one.

ANSWER DOWNLOAD EXAMIANS APP