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Q. Explain different Routing plan adopted in a Telephone network.
Ans:
Hierarchical networks are capable of handling heavy traffic where required, and at the same time use minimal number of trunk groups. Three methods are used for deciding on the route for a particular connection:
1. Right - through routing
2. Own-exchange routing.
3. Computer-controlled routing.
Q. Methods for speed and torque control of induction motors? The following are methods available for speed and torque control of induction motors. • Pole-changing method
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