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Q: How many bricks are typically selected for the shape and size test?
  • A. 5
  • B. 10
  • C. 15
  • D. 20
Correct Answer: Option D - Dimension test (IS 1077)– 20 pieces out of selected pieces are taken and are laid flat. The dimensions of bricks when tested shall be within the following limits per 20 bricks. For modular size– Length 3720 to 3880 mm (3800 ±80 mm) Width 1760 to 1840 mm (1800 ± 40 mm) Height 1760 to 1840 mm (1800 ±40 mm) (For 90 mm high bricks) 760 to 840 mm (800 ± 40 mm) (For 40 mm high bricks)
D. Dimension test (IS 1077)– 20 pieces out of selected pieces are taken and are laid flat. The dimensions of bricks when tested shall be within the following limits per 20 bricks. For modular size– Length 3720 to 3880 mm (3800 ±80 mm) Width 1760 to 1840 mm (1800 ± 40 mm) Height 1760 to 1840 mm (1800 ±40 mm) (For 90 mm high bricks) 760 to 840 mm (800 ± 40 mm) (For 40 mm high bricks)

Explanations:

Dimension test (IS 1077)– 20 pieces out of selected pieces are taken and are laid flat. The dimensions of bricks when tested shall be within the following limits per 20 bricks. For modular size– Length 3720 to 3880 mm (3800 ±80 mm) Width 1760 to 1840 mm (1800 ± 40 mm) Height 1760 to 1840 mm (1800 ±40 mm) (For 90 mm high bricks) 760 to 840 mm (800 ± 40 mm) (For 40 mm high bricks)