Answer Posted / ramesh gupta

Type A Tower (Tangent Tower with suspension string)-Used on
straight runs and up to 2° line diversion
Type B Tower (Small Angle Tower with tension string)-Used
for line deviation from 2° to 15°
Type C Tower (Medium Angle Tower with tension string- Used
for line deviation from 15° to 30°.
Type D Tower (Large angle tower with tension string)-
Used for line deviation from 30° to 60°
Type E Tower (Dead End Tower with tension string- Used
for line termination & starting
Special tower-
Suspension Tower (Span 1000 m)
o Used for River crossing, Mountain crossing etc.
Transposition Tower
o Used for transposition of tower

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