Welspun World Senior Highway Engineer Interview Questions and Answers

Crest is the highest point of a layer in a pavement structure.

• Crest is also known as the high point.

• It is important to ensure that the crest is properly designed and constructed to prevent water from pooling on the surface.

• The thickness of the layer at the crest should be sufficient to support the traffic loads.

• Examples of layers in a pavement structure include the subgrade, base course, and surface course.

Tolerance of top layers in highway engineering

• Tolerance refers to the acceptable deviation from the design specifications

• Top layers of a highway include asphalt, concrete, or other materials

• Tolerance is important to ensure the safety and durability of the road

• Factors affecting tolerance include climate, traffic volume, and materials used

• Regular maintenance and inspections can help identify and address tolerance issues