The minimum additional thickness allowed for corrosion in a lined steel chimney is about -
(a) 1 mm
(b) 6 mm
(c) 10% of the design thickness
(d) 3 mm.
The correct Answer Is
(d) 3 mm
(a) 1 mm
(b) 6 mm
(c) 10% of the design thickness
(d) 3 mm.
The correct Answer Is
(d) 3 mm
