A. Size of the conductor
B. Shape of the conductor
C. Surface condition of the conductor
D. All of the above
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Related Mcqs:
- The current drawn by the line due to corona losses is___________?
- A. non-sinusoidal B. sinusoidal C. triangular D. square...
- The effect of corona can be detected by___________?
- A. presence of ozone detected by odour B. hissing sound C. faint luminous glow of bluish colour D. all of the above...
- The presence of ozone due to corona is harmful because it________________?
- A. reduces power factor B. corrodes the material C. gives odour D. transfer energy to the ground E. none of the above...
- There is a greater possibility of occurence of corona during______________?
- A. dry weather B. winter C. summer heat D. humid weather E. none of the above...
- Which of the following distribution systems is more reliable?
- A. Radial system B. Tree system C. Ring main system D. All are equally reliable...
- Which of the following characteristics should the line supports for transmission lines possess?
- A. Low cost B. High mechanical strength C. Longer life D. All of the above...
- For aluminium, as compared to copper, all the following factors have higher values except:
- A. specific volume B. electrical conductivity C. co-efficient of linear expansion D. resistance per unit length for same cross-section...
- Which of the following methods is used for laying of underground cables ?
- A. Direct laying B. Draw-in-system C. Solid system D. All of the above...
- Which of the following is usually not the generating voltage ?
- A. 6.6 kV B. 8.8 kV C. 11 kV D. 13.2 kV...
- Which of the following materials is used for overhead transmission lines ?
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