Construction, Testing and Commissioning of Overhead Lines Question Bank with Answers:
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1. Explain the factors concerning the route which could affect the cost of the line.
2. What planning is done before the commencement of erection of an overhead line ?
3. Give the points to be considered at the time of erection of overhead lines.
4. Discuss the elementary ideas about transmission line construction and erection.
5. Explain, with the help of diagrams, the methods of repairing and jointing of damaged conductors.
6. Explain the procedure for earthing 11 kV line supports.
7. What is hot line technique concept and its application in the transmission lines ?
8. State the routine inspections and maintenance required for supports, cross arms, insulators, conductors, guys, earth wire, GO switch etc used in the overhead lines.
9. Discuss the various methods employed for measuring and checking sag during erection of a transmission line.
10. Write short notes on the following:
- Salient features of survey conducted for determination of route for ht/lt.
- Stringing of conductors.
- Earthing of transmission line.
- Maintenance of overhead lines.
- Checking of sag.
- Testing and commissioning of overhead lines.