The usual spans with R.C.C. poles are
A) 40-50 metres
B) 60-100 metres
C) 80-100 metres
D) 300-500 metres
Correct Answer:
Verified
Q3: The underground system cannot be operated above
A)440
Q4: Overhead system can be designed for operation
Q5: The wooden poles well impregnated with creosite
Q6: Which of the following materials is not
Q7: Galvanised steel wire is generally used as
A)stay
Q9: The corona is considerably affected by which
Q10: Which of the following are the constants
Q11: 310 km line is considered as
A)a long
Q12: The phenomenon qf rise in voltage at
Q13: The square root of the ratio of
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