16. The root locus can be applied to :
(a) only linear systems
(b) only nonlinear system
(c) both linear and nonlinear system
(d) none of these
17. The openloop transfer function of a control system has 5 poles and 3 zeros. The number of asymptotes is equal to :
(a) 5
(b) 3
(c) 2
(d) 8
18. The root locus can be used to solve higherorder :
(a) differential equation
(b) algebraic equation
(c) differential equations as well as algebraic equations
(d) none of these
19. The root locus always terminates on the :
(a) openloop poles
(b) openloop zeros
(c) closedloop poles
(d) closedloop zeros
20. The root locus is :
(a) an algebraic method
(b) a graphical method
(c) combination of both
(d) none of these
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