Question

solve this one.....
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Answer 1

value of Kp/Kc is directly proportional to ∆ng

so ∆ng for
(a) 2 - 1 = 1
(b) 2 - 3 = -1
(c) 4 - 2 = 2
(d) 7 - 4 = 3

so maximum for (d) and minimum for (b) respectively

i hope it will help you
regards