Distribution

MCQ – Distribution

#1. A 3 phase 4 wire system is commonly used for....?

incorrect

#2. Feeder is designed mainly from the point of view of?

#3. Distributors are designed mainly from the point of view of?

#4. Most reliable distribution system is.....?

#5. The statuatory limit for voltage variations at the consumers terminals is +_......% of rated value?

#6. The major part of the investment on secondary distribution is.....?

#7. In a transmission system the weight of copper used is proportional to ...?

#8. The volume of copper required for an ac transmission line is inversely proportional to....?

#9. ACSR conductors have.....?

#10. The function of steel wire in an ACSR conductor is to.....?

#11. Strain type insulators are used .....?

#12. Wavy structure of pin insulator decrease its....?

#13. In a 3 wire dc system, the load on +ve side is 400A and on -ve side it is 300A. then current in neutral wire is.....?

#14. Voltage drop in feeders can be compensate by connecting....?

#15. In a balanced 3 wire dc system, if voltage across the outers is 500V. then voltage between any outer and neutral is....?

#16. A booster is connected ......with the feeder?

#17. The material used for the manufacture of ground wire is.....?

#18. Effect of temperature rise in over head line is to.....?

#19. The sag of a transmission line conductor in summer is....?

#20. Corona is .....?

#21. Corona loss increase with.....?

#22. Bundled conductors reduce....?

#23. The chance of occurance of corona are maximum during.....?

#24. The only advantages of corona formation in transmission line?

#25. Skin effect of conductor proportional to.....?

#26. Bundled conductors in transmission line provide for.....?

#27. High voltage transmission lines are transposed because of....?

#28. The distribution systems in india mostly in....?

#29. Use of bundled conductors reduce.....?

#30. The surge impedence of a 50 miles long under ground cable is 50 ohm. for a 100 miles it will be....?

#31. Current transformer uses...?

#32. The transformer connection used at the substation end of the transmission line is.....?

#33. Distribution transformer has maximum efficiency at....?

#34. Distribution transformer has maximum efficiency at....?

#35. The conductor used for over head transmission line is....?

#36. The top most conductor in high voltage transmission line is....?

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