By which of the following methods string efficiency can be improved ?
A) Using a guard ring
B) Grading the insulator
C) Using long cross arm
D) Any of the above
Correct Answer:
Verified
Q13: Skin effect is proportional to
A)(conductor diameter)
B)(conductor diameter).
C)(conductor
Q14: A conductor, due to sag between two
Q15: In AC.S.R. conductors, the insulation between aluminium
Q16: Which of the followingbus-bar schemes has the
Q17: Owing to skin effect
A)current flows through the
Q19: In aluminium conductors, steel core is provided
Q20: By which of the following a bus-bar
Q21: A circuit is disconnected by isolators when
A)line
Q22: For which of the following equipment current
Q23: In a substation the following equipment is
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