For transmission of power over a distance of 200 km, the transmission voltage should be_________kv?
For transmission of power over a distance of 200 km, the transmission voltage should be_________kv?
A. 132 kV
B. 66 kV
C. 33 kV
D. 11 kV
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Which of the following is not a constituent for making porcelain insulators ?
Which of the following is not a constituent for making porcelain insulators ?
A. Quartz
B. Kaolin
C. Felspar
D. SilicaThe material commonly used for insulation in high voltage cables is_______________?
The material commonly used for insulation in high voltage cables is_______________?
A. lead
B. paper
C. rubber
D. none of the aboveThe effect of corona can be detected by___________?
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 aboveThe material commonly used for sheaths of underground cables is______________?
The material commonly used for sheaths of underground cables is______________?
A. lead
B. rubber
C. copper
D. ironHigh voltage transmission lines use__________________?
High voltage transmission lines use__________________?
A. suspension insulators
B. insulators
C. both A. and B.
D. none of the aboveOverhead system can be designed for operation up to____________?
Overhead system can be designed for operation up to____________?A. 11 kV
B. 33 kV
C. 66 kV
D. 400 kV