The Material Commonly Used for Sheaths of Underground Cables Is

Q1: Overhead lines generally use<br>A)copper conductors<br>B)all aluminium conductors<br>C)A.C.S.R.

Q2: The conductors of the overhead lines are<br>A)solid<br>B)stranded<br>C)both

Q4: Transmission line insulators are made of<br>A)glass<br>B)porcelain<br>C)iron<br>D)P.V.C.

Q5: Large industrial consumers are supplied electrical energy

Q6: The distributors for residential areas are<br>A)single phase<br>B)three-phase

Q7: Transmitted power remaining the same, if supply

Q8: The loads on distributors systems are generally<br>A)balanced<br>B)unbalanced<br>C)either

Q9: Distribution lines in India generally use<br>A)wooden poles<br>B)R.C.C.

Q10: For an overhead line, the surge impedance

Q11: High voltage transmission lines use<br>A)suspension insulators<br>B)pin insulators<br>C)both