PART
A(10*2=20)
1. What are the advantages of the closed loop
control system?
2. Write the Mason’s gain formula of signal
flow graph.
3. What is control system?
4. What is transmittance?
5. Define non- touching loop.
6. Why negative feedback is invariably
preferred in closed loop system?
7. What is a signal flow graph?
8. What are the basic properties of signal
flow graph?
9. Distinguish the difference between
hydraulic and pneumatic system.
10. Define hydraulic resistance and hydraulic
capacitance.
PART B(5*16=80)
1. Write the differential equations governing
the mechanical system shown in figure. Draw the force – voltage and force –
current analogous circuits and verify by writing mesh and node equations.
(16)
2. Obtain the closed loop transfer function Y(S)
/ R(S) of the system whose block diagram is shown in figure. Use Block diagram reduction technique. (16)
3.
What is
thermal system? Draw and explain in detail about thermal system.(16)
4.
Find overall
gain of the system whose signal flow graph is shown in figure.
(16)
5. Write the differential equations governing
the Mechanical system shown in fig.
and
determine the transfer function. (16)
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