To damp
vibration in overhead lines, the following measures are taken :
(i)A light
anchor clamp of low inertia is used.
ii) Reinforcement or armour rods are used.
(iii) Dampers are used to absorb the vibrations.
Which of the above are true?
(i), (ii) and
(iii)
(i) and (ii)
only
(i) and (iii) only
(ii) and
(iii) only
(i), (ii) and
(iii)
To damp
vibrations in overhead lines :
1. A light
anchor clamp of low inertia is used.
2. Reinforcement
or armour rods are used.
3. Dampers
are used to absorb the vibrations.
4. Self
damping of conductor decrease as Tension increase.
5. Transmission
of communication signal increase.
Hence, the
correct option is (A).
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