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A wire is placed on the top of a transmission line to protect from:

<p><strong>a surge high voltage</strong><strong>b Direct lightning strocks</strong><strong>c indirect lightning strocks</strong><strong>d Switching over voltages</strong></p>

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Question ajoutée par Alex Al Yazouri , General Manager , Al Mushref Cooperative Society
Date de publication: 2014/12/28
Ali Waqas Bhatti
par Ali Waqas Bhatti , Electrical Engineer , Lakson Group of Companies

This wire is called surge arrests  it protects the circuit from lightening thunder . it is a very thin wire placed above the phase lines on a the top of a pole . it is used in the form of an antenna on the top of the buildings ..

Vinod Jetley
par Vinod Jetley , Assistant General Manager , State Bank of India

The correct answer is b.

 

As a specialists answered before me  -B

Wolf Klaas Kinsbergen
par Wolf Klaas Kinsbergen , Managing Director, Designer , ingenieursbureau KB International NV

That must be B, to protect form direct lightning strocks, as you do with buildings as well

Mohammed Rafi
par Mohammed Rafi , Electrical supervisor , Energy Technical Services

DIRECT LIGHTNING

Elke Woofter
par Elke Woofter , Project Assistant , American Technical Associates

"b" Direct lightning strikes is my answer 

Alex Al Yazouri
par Alex Al Yazouri , General Manager , Al Mushref Cooperative Society

b Direct lightning strocks

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