Elsamex Maintenance Services Civil Site Engineer Interview Questions and Answers

M-25 Grade concrete is a type of concrete with a compressive strength of 25 megapascals (MPa).

• M-25 Grade concrete is commonly used in construction projects.

• The ratio of M-25 Grade concrete is 1:1:2, which means 1 part cement, 1 part fine aggregate (sand), and 2 parts coarse aggregate (stone).

• The mix proportion of M-25 Grade concrete is designed to achieve a desired strength and durability for the specific application.

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The number of bricks required in 1 cubic meter depends on the size of the bricks and the thickness of the mortar joints.

• The size of the bricks and the thickness of the mortar joints determine the number of bricks needed.

• Standard brick sizes are commonly used in construction.

• For example, if the size of the brick is 200mm x 100mm x 75mm and the thickness of the mortar joint is 10mm, the calculation would be as follows:

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