Senior Survey Engineer Interview Questions and Answers

Interview questions for Sr. Engineer Survey

• Contour is a line connecting points of equal elevation on a map

• SWDTM software is used for survey data management

• AutoCAD knowledge is essential for creating and editing survey drawings

• There are two types of traversing in survey: open and closed

• Curve knowledge is important for designing roads, railways, and pipelines

• Traversing error can be calculated by comparing the measured and calculated values

• Excavation and filling quantities can b...read more

Dynamic gauge on rail refers to the difference between the actual wheel gauge and the designed gauge of a railway track.

• Dynamic gauge is the amount by which the wheel gauge exceeds the designed gauge of the track.

• It is important to consider dynamic gauge to ensure safe and efficient operation of trains.

• Factors such as wheel wear, track conditions, and temperature can affect dynamic gauge.

• Example: If the designed gauge of a track is 1435 mm and the actual wheel gauge measures ...read more

Mean area method is a technique used in surveying to calculate the average area of irregular plots by dividing them into triangles or trapezoids.

• Mean area method involves dividing an irregular plot into smaller, simpler shapes like triangles or trapezoids.

• The area of each shape is calculated using appropriate formulas.

• The average area of the plot is then calculated by taking the mean of all the individual areas.

• This method is commonly used in surveying to estimate the area of...read more

A transition curve is a curve that connects a straight line with a circular curve in a smooth and gradual manner.

• Transition curves are used in civil engineering and transportation design to ensure smooth transitions between different types of curves.

• They are typically used in road design, railway tracks, and pipelines.

• The purpose of a transition curve is to reduce the abrupt change in curvature, which helps in improving safety and comfort for vehicles or trains.

• Examples of tr...read more

A reference point is a fixed point used to establish a coordinate system for measuring distances and angles.

• Reference points are essential for accurate surveying and mapping.

• Common reference points include benchmarks, control points, and survey monuments.

• Reference points can be physical objects like buildings or natural features like trees.

• They are used to ensure consistency and accuracy in survey measurements.