Identify the correct statements from the following based on IS specifications (IS : 1130 - 1969) regarding the marble slabs and blocks supplied.

1. Marble slabs shall be supplied with a minimum thickness of 20 mm.

2. Marble blocks shall be supplied with a maximum thickness of 100 cm.

3. Marble blocks shall be supplied with a minimum length of 100 cm.

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SSC JE (Civil) 2023 Official Paper-II (Held On: 04 Dec, 2023 Shift 1)
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  1. Only 1 and 2
  2. Only 2 and 3
  3. Only 1 and 3
  4. 1, 2 and 3

Answer (Detailed Solution Below)

Option 1 : Only 1 and 2
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Explanation

As per the  IS specifications (IS : 1130 - 1969) regarding the marble slabs and blocks

The marble blocks shall be supplied in the sizes given below:

Length - 30(min) to 250 cm(max)  ( in stages of 10 cm )

Width - 30(min) to 100 cm(max) ( in stages of 10 cm )

Thickness30(min) to 100 cm(max) ( in stages of 10 cm )

The marble slabs shall be supplied in the sizes given below:

Length - 70(min) to 250 cm(max)  ( in stages of 10 cm )

Width - 30(min) to 100 cm (max) ( in stages of 10 cm )

Thickness - 20(min) to 150 mm (max) ( in stages of 10 mm )

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