Patel Engineering Planning & Billing Engineer Interview Questions and Answers

The specific weight of steel is the weight of a unit volume of steel material.

• Specific weight is also known as the unit weight or density of a material.

• It is typically measured in units of kilograms per cubic meter (kg/m³) or pounds per cubic foot (lb/ft³).

• The specific weight of steel can vary depending on the type and grade of steel.

• For example, the specific weight of mild steel is around 7850 kg/m³ or 490 lb/ft³.

• High...read more

M stands for Mix in M20.

• M20 is a designation for the mix ratio of concrete.

• The M stands for Mix, indicating the mix ratio of cement, sand, and aggregate.

• M20 represents a mix ratio of 1:1.5:3, where 1 is cement, 1.5 is sand, and 3 is aggregate.

• Different grades of concrete have different mix ratios, with M20 being a commonly used grade.

The labor charges for main items like concrete, shuttering, and reinforcement steel vary depending on factors such as location, project size, and labor rates.

• The labor charges for concrete are typically calculated based on the volume of concrete required and the prevailing labor rates.

• The labor charges for shuttering (formwork) are usually determined based on the area of formwork required and the complexity of the desi...read more

Rolling margin is a financial metric that measures the profitability of a company's operations over a specific period of time.

• Rolling margin is calculated by dividing the operating profit by the net sales and expressing it as a percentage.

• It helps in evaluating the efficiency and profitability of a company's core business activities.

• A higher rolling margin indicates better profitability and operational efficiency.

• For e...read more

The allowable wastage percentage of a major item varies depending on the industry and project specifications.

• The allowable wastage percentage is typically specified in the project contract or specifications.

• It is important to minimize wastage to control costs and ensure efficient resource utilization.

• The allowable wastage percentage may differ for different major items, such as concrete, steel, or electrical materials.

• ...read more

Shuttering quantity calculation involves determining the amount of formwork needed for a construction project.

• Calculate the surface area of the structure that needs formwork

• Determine the type of formwork material to be used

• Consider the complexity of the structure and any special requirements

• Account for wastage and extra material for safety

• Use standard formulas or software for accurate calculations