In transmission lines the cross-arms are made of
A) copper
B) wood
C) R.C.C.
D) steel
Correct Answer:
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Q5: Distribution lines in India generally use
A)wooden poles
B)R.C.C.
Q6: The material commonly used for insulation in
Q7: The loads on distributors systems are generally
A)balanced
B)unbalanced
C)either
Q8: The power factor of industrial loads is
Q9: Overhead lines generally use
A)copper conductors
B)all aluminium conductors
C)A.C.S.R.
Q11: The material generally used for armour of
Q12: Transmission line insulators are made of
A)glass
B)porcelain
C)iron
D)P.V.C.
Q13: The material commonly used for sheaths of
Q14: The minimum clearance between the ground and
Q15: The spacing between phase conductors of a
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