National Highways Authority of India Interview Questions, Process, and Tips

Q1. Project Highways ,Railways,Sanitation water supply and Building Management etc
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Q2. Doubling of Railway line
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Doubling of railway line involves constructing a parallel track to increase capacity and improve efficiency.
• Doubling of railway line is done to increase capacity and improve efficiency of the railway network.

• It involves constructing a parallel track next to the existing track.

• This allows for more trains to run simultaneously without causing delays.

• Examples of successful doubling projects include the Western Dedicated F...read more
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Q3. Water supply scheme
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Q4. Construction of Coloney planing with sanitation
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Construction of a colony planning with sanitation involves designing and building residential areas with proper waste management systems.
• Ensure proper layout and zoning for residential, commercial, and green spaces

• Implement sewage and drainage systems to manage waste effectively

• Include green spaces and parks for recreational activities

• Provide access to clean water sources for residents

• Consider sustainable construction
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Q1. Highways construction , contract management Arbitration
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Math ability, reasoning

Q1. About the position of the nhai
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Q1. Background description and awareness on HR and administrative work of the Govt.
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Q1. What is transition curve?
Ans. 
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 improvin...read more
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Q2. What is Mean area method?
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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 me...read more
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