Construction Supervisor Interview Questions and Answers

The size of a mortar brick wall can vary depending on the type of bricks used and the desired thickness of the mortar joints.

• The standard size of a brick is 8 inches by 4 inches by 2 1/4 inches.

• The thickness of mortar joints typically ranges from 3/8 inch to 1/2 inch.

• Therefore, the size of a mortar brick wall can be calculated by adding the dimensions of the bricks and the mortar joints.

Measuring least count is the smallest value that can be measured by an instrument.

• It is the smallest value that can be measured by an instrument.

• It is important to know the least count of an instrument to ensure accurate measurements.

• For example, if the least count of a ruler is 1 mm, then any measurement made with it will have an error of +/- 0.5 mm.

• Least count can be calculated by dividing the smallest scale division by the total number of divisions on the scale.

Types of bricks include clay bricks, concrete bricks, sand lime bricks, and engineering bricks.

• Clay bricks: made from clay and fired in a kiln

• Concrete bricks: made from concrete and cured in a controlled environment

• Sand lime bricks: made from sand, lime, and fly ash

• Engineering bricks: high-strength bricks used in structural applications