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  1. The feedback control system shown in the given figure represents a—


    1. Type 0 system
    2. Type 1 system
    3. Type 2 system
    4. Type 3 system
Correct Option: A

C(s)
=
(s2/(s + 1))((s + 2)/s4(s + 1))
R(s)1 + {(s2)/(s + 1)2)}{(s + 2)/s4(s + 1)} × {(2s + 3)/(s + 4)}

C(s)
=
s2(s + 2)
R(s)s4(s + 1)3(s + 4) + s2(s + 2)(2s + 3)

or
C(s)
=
(s + 2)
R(s)[s2(s + 1)3 (s + 4) + (s + 2) (2s + 3)]

This system that system is type, 0.



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