LogixHealth Interview Questions and Answers

The weight of a 12 mm steel bar per meter depends on the density of steel.

• The weight of a steel bar can be calculated using the formula: weight = volume × density

• The volume of a steel bar can be calculated using the formula: volume = π × (diameter/2)^2 × length

• The density of steel is approximately 7850 kg/m^3

• To calculate the weight of a 12 mm steel bar per meter, substitute the values into the formulas

The 10 mm steel bar per meter refers to the weight of a 10 mm diameter steel bar per meter length.

• The weight of a steel bar per meter length depends on its diameter.

• The weight can be calculated using the formula: weight = (diameter^2) * 0.00617, where diameter is in millimeters.

• For a 10 mm steel bar, the weight per meter would be approximately 0.617 kg.

The sand replacement test is a method used to determine the in-situ density of soil.

• It involves replacing a known volume of soil with sand and measuring the volume of sand required.

• The test helps in assessing the compaction characteristics of soil.

• It is commonly used in construction and geotechnical engineering.

• The test is performed by excavating a hole in the ground, filling it with sand, and then measuring the volume of sand used.

• The ratio of the volume of sand to the volum...read more

The weight of concrete varies depending on its composition and density.

• The weight of concrete is typically measured in pounds per cubic foot or kilograms per cubic meter.

• The weight of concrete can range from 140 to 150 pounds per cubic foot (pcf) or 2,240 to 2,400 kilograms per cubic meter (kg/m³).

• The weight of concrete can be influenced by factors such as the type of aggregates used, the water-cement ratio, and any additives or admixtures.

• For example, lightweight concrete, w...read more

The centre line method is a technique used in civil engineering to determine the alignment of a road or railway.

• The centre line method involves establishing a straight line along the center of the proposed road or railway.

• This line serves as a reference for designing the road or railway, including determining the alignment of curves and gradients.

• The method takes into account factors such as topography, traffic flow, and safety requirements.

• Surveying techniques, such as theod...read more