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Question
As per IS : 303 and 10701, the thickness of 5 ply plywood boards for structural purpose are available in
A.
6 mm and 9 mm
B.
12 mm and 16 mm
C.
16 mm and 19 mm
D.
10 mm and 15 mm
Answer ( Option A)

6 mm and 9 mm

Solution

As per IS 303:1989, Table 3

Borard

Thickness (mm)

3 ply

3, 4, 5, 6

5 ply

5, 6, 8, 9

7 ply

9, 12, 15, 16

9 ply

12, 15, 16, 19

11 ply

19, 22, 25

Above 11 ply

As ordered

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