Viswaat Chemicals Interview Questions and Answers

BBS schedule of drawing can be found by consulting the project manager or checking the project documentation.

• Consult the project manager or supervisor for the BBS schedule of drawing.

• Check the project documentation or specifications for the BBS schedule.

• BBS schedule helps in planning and tracking the reinforcement work efficiently.

• It ensures that the correct amount and type of reinforcement is used in construction.

• Helps in avoiding errors and delays in construction process.

Twenty important points of civil Site work include surveying, excavation, foundation work, concrete pouring, structural framing, roofing, plumbing, electrical work, finishing work, landscaping, etc.

• Surveying to determine site boundaries and levels

• Excavation for foundations and utilities

• Foundation work for supporting structures

• Concrete pouring for slabs, columns, and walls

• Structural framing for building skeleton

• Roofing for weather protection

• Plumbing for water supply and draina...read more

To read the North direction of a drawing, look for the North arrow symbol or compass rose.

• Look for the North arrow symbol on the drawing, usually pointing towards the top of the page.

• Check for a compass rose which indicates the orientation of the drawing.

• If there is no North arrow or compass rose, refer to the project specifications or ask the designer for clarification.

Grades of concrete refer to the strength of the concrete mix, determined by the ratio of cement, sand, and aggregates.

• Grades of concrete are denoted by M followed by a number, such as M20, M30, etc.

• The mix design of concrete involves determining the proportions of cement, sand, and aggregates to achieve the desired strength and workability.

• Factors like water-cement ratio, type of cement, quality of materials, and curing methods influence the mix design.

• For example, M20 grade ...read more

Density of steel is around 7850 kg/m^3 and density of concrete is around 2400 kg/m^3.

• Density of steel is approximately 7850 kg/m^3.

• Density of concrete is around 2400 kg/m^3.

• Steel is much denser than concrete, which is why steel is often used in structures for added strength.

• The density of a material is important in construction to ensure the stability and safety of the structure.

Grades of cement refer to the strength and quality of the cement used in construction.

• Cement grades are classified based on their compressive strength after 28 days of curing.

• Common grades include 33, 43, and 53, with 53 being the highest strength.

• Higher grade cement is typically used for structures requiring high strength like bridges and high-rise buildings.