L&T Construction Surveyor Interview Questions and Answers

A surveyor is a professional who measures and maps land, buildings, and other physical features.

• Surveyors use specialized equipment like total stations and GPS to accurately measure distances and angles.

• They create maps, boundary lines, and legal descriptions of properties.

• Surveyors work in various industries including construction, engineering, and real estate.

• They play a crucial role in land development projects, ens...read more

Surveying is the process of determining the relative positions of points on the Earth's surface for mapping and construction purposes.

• Surveying helps in creating accurate maps and plans for construction projects.

• It is used to establish property boundaries and land ownership.

• Surveying is essential for infrastructure development such as roads, bridges, and buildings.

• It also plays a crucial role in disaster management and...read more

A synonym for surveyor is land surveyor, a professional who measures and maps the land for various purposes.

• Land surveyor is a common alternative term for surveyor

• Surveyors use specialized equipment like total stations and GPS to accurately measure land

• Surveyors work in various industries such as construction, real estate, and urban planning

The principal of surveying involves accurately measuring and mapping the land and its features.

• Surveying involves determining the relative positions of points on the Earth's surface.

• It includes measuring distances, angles, and elevations to create maps and plans.

• Surveying is essential for construction, engineering, and land development projects.

• Modern surveying techniques use advanced technology like GPS and drones.

• Err...read more

Total station data can be converted into AutoCAD by exporting the data in a compatible format and importing it into AutoCAD.

• Export the total station data in a compatible format such as CSV or DXF.

• Open AutoCAD and import the exported data file.

• Adjust the scale and orientation of the imported data as needed.

• Use AutoCAD tools to further manipulate and analyze the imported total station data.

• Save the AutoCAD file with the ...read more

The total station list count refers to the number of total stations available for surveying purposes.

• The total station list count can vary depending on the specific surveying project or area.

• It is important to have a sufficient number of total stations to efficiently conduct surveys.

• For example, a large construction project may require a higher total station list count compared to a smaller land surveying project.

The auto level list count varies depending on the specific surveying project and equipment used.

• Auto level list count can range from a few dozen to hundreds depending on the size of the project.

• The count may also be influenced by the number of surveying points and the level of detail required.

• For example, a small residential survey may have around 50 auto level lists, while a large construction project may have over 20

An ideal vertical curve to join two gradients is a parabolic curve.

• A parabolic curve provides a smooth transition between two gradients

• It ensures a gradual change in slope, reducing the risk of sudden changes in elevation

• The length and radius of the curve can be calculated based on design standards and the specific site conditions

Hydrographic surveys deal with the mapping of underwater features and terrain.

• Underwater features such as the seabed, shorelines, and water depths are mapped.

• Data collected is used for navigation, marine construction, resource exploration, and environmental protection.

• Techniques used include sonar, GPS, and satellite imagery.

• Examples include mapping of ocean floors, riverbeds, and coastal areas.

Diopter is the power of a lens having a focal length of 1 meter.

• Diopter is the reciprocal of the focal length of a lens in meters.

• It is used to measure the optical power of a lens.

• For example, a lens with a focal length of 0.5 meters has a power of 2 diopters.

The accuracy of fix by two point problem is dependent on the distance between the two points and the quality of the measurements taken.

• The accuracy of the fix increases as the distance between the two points increases.

• The accuracy also depends on the precision of the measurements taken at each point.

• Errors in measurements or inaccuracies in the data can affect the accuracy of the fix.

• Using more than two points can impr