21st Century Enviro Engineers Site Engineer Interview Questions and Answers

Production refers to the process of creating goods or services using resources and labor.

• Production involves transforming raw materials into finished products or providing services to customers.

• It includes activities such as manufacturing, assembly, packaging, and distribution.

• Examples of production include car manufacturing, food processing, and software development.

• Efficient production is essential for businesses to

RO (Reverse Osmosis) is a water purification process that uses a semipermeable membrane to remove ions, molecules, and larger particles from drinking water.

• RO process involves the use of a high-pressure pump to force water through a semipermeable membrane.

• The membrane allows water molecules to pass through while blocking impurities.

• RO can remove contaminants like dissolved salts, bacteria, viruses, and heavy metals fro...read more

ACF stands for AutoCAD Civil 3D Feature. It is used for creating and managing design elements in civil engineering projects.

• ACF is a tool in AutoCAD Civil 3D software.

• It allows site engineers to create and manage design elements such as roads, intersections, and grading.

• ACF helps in generating accurate 3D models of the site, including surfaces, alignments, and profiles.

• It enables engineers to analyze and optimize desig...read more

Initial setting time of cement is the time taken by cement to harden and attain a particular strength.

• Initial setting time is determined by Vicat apparatus

• It is the time taken for the cement to lose its plasticity and become hard

• The standard initial setting time for ordinary Portland cement is 30 minutes

• Factors affecting initial setting time include temperature, water-cement ratio, and type of cement

The elongation % of steel fy 500 is approximately 12%.

• Elongation % is the measure of ductility of a material.

• It is the percentage increase in length of a material before it fractures under tension.

• For steel fy 500, the elongation % is approximately 12%.

• This means that the steel can stretch up to 12% of its original length before it breaks.

The amount of cement required for 1 cubic meter varies depending on the concrete mix design.

• The amount of cement needed for 1 cubic meter of concrete varies from 250kg to 600kg depending on the mix design.

• The mix design specifies the ratio of cement to other materials like sand and aggregates.

• For example, a mix design of 1:2:4 requires 400kg of cement per cubic meter of concrete.

• It is important to accurately calculate ...read more

Density of materials: Steel - 7850 kg/m3, Concrete - 2400 kg/m3, Sand - 1600 kg/m3

• Density of steel is higher than that of concrete and sand

• Density of concrete varies depending on the mix design

• Density of sand can vary depending on the source and moisture content