Multiple Choice
Transmitted power remaining the same, if supply voltage of a D.C. 2-wire feeder is increased 100 percent, saving in copper is
A) 25 percent
B) 50 percent
C) 75 percent
D) 100 percent
Correct Answer:

Verified
Correct Answer:
Verified
Q2: The conductors of the overhead lines are<br>A)solid<br>B)stranded<br>C)both
Q3: The material commonly used for sheaths of
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
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
Q12: In transmission lines the cross-arms are made