Civil Engineer Site and Quality Interview Questions and Answers

The proportion of M30 grade concrete is 1:1:2 (cement:sand:aggregate).

• M30 grade concrete has a proportion of 1 part cement, 1 part sand, and 2 parts aggregate.

• This means that for every 1 unit of cement, 1 unit of sand, and 2 units of aggregate are used.

• For example, if you have 1 bag of cement (50 kg), you would need 50 kg of sand and 100 kg of aggregate.

The number of holes per inch square in chicken mesh for external plaster varies depending on the specific requirements of the project.

• The number of holes per inch square in chicken mesh for external plaster is determined by factors such as the type of plaster being used, the desired level of ventilation, and the size of the mesh.

• In general, a common range for the number of holes per inch square in chicken mesh for external plaster is between 1 to 2 holes per inch square.

• Howev...read more

Cutting length of steel is the length of steel bars required for construction purposes.

• Cutting length of steel refers to the length of steel bars needed for construction projects.

• It is calculated by subtracting the development length and lap length from the total length of the bar.

• The cutting length is important for determining the quantity of steel required and for cost estimation.

• For example, if a steel bar needs to be 10 meters long after deducting the development and lap ...read more

The ratio for ceiling plaster is typically 1:4 or 1:5.

• The ratio refers to the proportion of cement to sand used in the plaster mixture.

• A common ratio for ceiling plaster is 1 part cement to 4 parts sand.

• Another common ratio is 1 part cement to 5 parts sand.

• The specific ratio may vary depending on the project requirements and local building codes.