Year 2023

Week # 2 Quiz 5

Q1. For a 15-bus power system with 3 voltage controlled bus, the size of Jacobian matrix is

Q2. The characteristic equation of a feedback control is \(2s^4 + s^3 + 3s^2 + 5s + 10 = 0\). The no. of roots in the right half of the s-plane is

Q3. Which switch used for the stair case wiring?

Q4. Number of insulator disc, each rated 11KV, required in a suspension type insulator string of 66KV line is _____ .

Q5. In a shaded-pole single phase motor, the revolving field is produced by the use of

Q6. Air gap in the iron core prevents

Q7. The transient current in a series RLC circuit is oscillatory when__________.

Q8. Solder is an alloy of

Q9. An ammeter has a current range of 0-5 A and its internal resistance is 0.2 Ohm. In order to change the range to 0-25 A. we need to add a resistance of

Q10. In a three-phase controlled rectifier, with an increase of overlap angle the output D.C. voltage will