The minimum thickness of steel of the tension members exposed to weather and not accessible is -
(a) 4.5 mm
(b) 6 mm
(c) 8 mm
(d) 10 mm.
The correct Answer Is
(c) 8 mm
(a) 4.5 mm
(b) 6 mm
(c) 8 mm
(d) 10 mm.
The correct Answer Is
(c) 8 mm