Control Systems
The step response of the system described by the differential equation will be

 e6t.
 (1/6)*(1-e-6t).
 e-3t u(t).
 non of above.

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

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

ANSWER DOWNLOAD EXAMIANS APP