GATE ECE 1998 | Question 1.22

Question

Consider a feedback control system with loop transfer function

$$ \mathrm{G}(s) \mathrm{H}(s)=\frac{\mathrm{K}(1+0.5 s)}{s(1+s)(1+2 s)} $$

The type of the closed loop system is

• A. zero
• B. one
• C. two
• D. three