Q5 a) Difference between Seeback and Peltier effect b) Explain the optical pyrometer and its constructional features. Q6 a) In a closed loop system, forward gain is K / s (s2+s+1) (s+4) and with (-ve) (5) (5) (5) feedback of 1. What is the range of K, so that the system is stable? b) What is Routh’s stability criterion? Explain Q7 Q8 Find the overall TF of the following system using signal flow graph Write short answer on any TWO: a) Photo emissive transducers (5) (10) (5 x 2) b) LVDT c) Variable inductive transducer for rotary motion. d) CRO 2
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