SAI Consulting Engineers Assistant Highway Engineer Interview Questions and Answers

The unit weight of steel refers to the weight of a given volume of steel material.

• The unit weight of steel is typically measured in pounds per cubic foot (lb/ft³) or kilograms per cubic meter (kg/m³).

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

• For example, the unit weight of mild steel is approximately 490 pounds per cubic foot (lb/ft³) or 7850 kilograms per cubic mete...read more

The amount of lime in cement varies depending on the type of cement being used.

• The lime content in cement is typically expressed as a percentage of the total cement mass.

• Ordinary Portland cement (OPC) generally contains around 5-10% lime.

• However, different types of cement, such as sulfate-resistant cement or low-heat cement, may have varying lime content.

• The lime content affects the setting time, strength, and durabili...read more