Adani Infra Interview Questions and Answers

Q1. Technical subjects and last projects
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Q2. Underground utility
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Q3. Hydrology calculation for drainage
Ans. 
Hydrology calculation for drainage involves determining the flow of water through a drainage system.
• Calculate the area of the drainage basin

• Estimate the average rainfall intensity for the area

• Determine the time of concentration for the drainage system

• Use the Rational Method or SCS Curve Number method to calculate peak flow rates

• Consider factors such as soil type, land use, and slope of the area
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Q1. Six sigma steps and application.
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Six Sigma is a data-driven methodology for improving processes by reducing defects and variations.
• Define: Identify problem, goals, and customer requirements.

• Measure: Collect data on current process performance.

• Analyze: Use statistical tools to identify root causes of defects.

• Improve: Implement solutions to address root causes.

• Control: Monitor process performance to sustain improvements.

• Examples: GE, Motorola, and Ford ...read more
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Q2. What is project management?
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Project management is the process of planning, organizing, and overseeing the completion of a project within specific constraints.
• Involves defining project goals, creating a timeline, allocating resources, and monitoring progress.

• Requires effective communication, problem-solving skills, and the ability to adapt to changes.

• Examples include software development projects, construction projects, and marketing campaigns.
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Q3. What is project portfolio management?
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Project portfolio management is the centralized management of a group of projects to achieve strategic objectives.
• Involves prioritizing, planning, executing, and monitoring a group of projects

• Helps organizations align projects with strategic goals

• Allows for resource optimization and risk management

• Examples include creating a portfolio of IT projects to improve efficiency or a portfolio of construction projects to expan
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Q4. Phases of the project?
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The phases of a project typically include initiation, planning, execution, monitoring and controlling, and closing.
• Initiation: Defining the project, setting goals, and obtaining approval.

• Planning: Creating a detailed project plan, including timelines, resources, and budget.

• Execution: Carrying out the plan and completing the project deliverables.

• Monitoring and Controlling: Tracking progress, managing changes, and ensuri...read more
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Q5. Which NDT method used in your work?
Ans. 
Ultrasonic Testing (UT) is the NDT method used in my work.
• UT uses high frequency sound waves to detect internal flaws in materials

• It is commonly used in industries like aerospace, oil and gas, and manufacturing

• Examples of UT equipment include ultrasonic flaw detectors and probes
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Q6. What is welding and its type?
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Welding is a process of joining two or more metal pieces together by melting and fusing them.
• There are several types of welding techniques, including MIG welding, TIG welding, arc welding, and spot welding.

• Welding can be done using different heat sources such as gas flame, electric arc, laser, or ultrasound.

• The choice of welding technique depends on the materials being joined, the thickness of the materials, and the de
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Q7. Procedure of checking fitup?
Ans. 
Checking fitup involves verifying the alignment and positioning of components before welding.
• Inspecting the joint for gaps or misalignment

• Using measuring tools like calipers or gauges

• Ensuring proper fit of parts before welding

• Checking for any defects or imperfections

• Verifying dimensions and angles according to specifications
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Q8. Explain the procedure of hydrotest?
Ans. 
Hydrotest is a procedure used to test the strength and integrity of pressure vessels or pipelines by filling them with water or another liquid.
• The vessel or pipeline is filled with water or another liquid at a specified pressure.

• The pressure is held for a specified duration to check for leaks or deformations.

• After the test, the liquid is drained and the vessel or pipeline is inspected for any issues.

• Hydrotest is common...read more
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Q9. Difference between power piping and process piping?
Ans. 
Power piping is used in power plants to transport steam, water, and other fluids at high temperatures and pressures, while process piping is used in industrial facilities to transport various fluids for processing.
• Power piping is typically found in power plants, including nuclear, fossil fuel, and renewable energy plants.

• Process piping is used in industrial facilities such as chemical plants, refineries, and manufactur...read more
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Q10. In 304L , L stand for?
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Q11. What is sensitization in the Austenitic stainless steel?
Ans. 
Sensitization in Austenitic stainless steel is the process where chromium carbides form at the grain boundaries, leading to reduced corrosion resistance.
• Sensitization occurs when the steel is heated in the temperature range of 450-850°C, causing chromium carbides to precipitate at the grain boundaries.

• This depletion of chromium at the grain boundaries makes them susceptible to corrosion, especially in environments cont...read more
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Q12. Why TIG generally used to weld SS material?
Ans. 
TIG welding is generally used for SS material due to its ability to produce high-quality, clean welds with minimal distortion.
• TIG welding provides precise control over the heat input, resulting in less distortion in the stainless steel material.

• TIG welding produces clean and aesthetically pleasing welds on stainless steel, making it ideal for applications where appearance is important.

• The inert gas shield in TIG weldin...read more
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Q13. How much piping did you in your work place?
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Q1. What is your current CTC?
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Q2. What is your expected CTC?
Ans. 
My expected CTC is based on my experience, skills, and industry standards.
• My expected CTC is in line with industry standards for a Senior Engineer role.

• I have taken into consideration my years of experience and expertise in the field.

• I am open to negotiation based on the overall compensation package offered by the company.
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Q3. Is there any relative on this company?
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Q4. What is your notice period?
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Q5. Is there any chances to join within 15 days?
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Q1. How do you manage work
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Q2. Daily work report
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Q1. About Previous work experience
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Q2. Process of Cost Control
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Q1. Personal Introduction
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Q1. Time period for complete turbine package with auxiliary and piping completion time.
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Q2. Complete process of Critical piping welding procedure of Main steam ,hrh line joints
Ans. 
The critical piping welding procedure for main steam and HRH line joints involves several steps to ensure proper joint integrity and safety.
• Preparation of the welding area by cleaning and removing any contaminants

• Selection of appropriate welding materials and techniques based on the specific requirements of the joint

• Welding of the joint using approved procedures and qualified welders

• Inspection of the weld to ensure it ...read more
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Q3. Commissioning process and time period
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Q4. Total number of manpower involved in different work fronts
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Q5. Alkali flushing and steam blowing procedure
Ans. 
Alkali flushing and steam blowing are procedures used to clean pipelines and equipment in power plants and industrial settings.
• Alkali flushing involves circulating a solution of alkali through the pipelines to remove impurities and deposits.

• Steam blowing uses high-pressure steam to remove any remaining debris and ensure the pipelines are clean and ready for operation.

• Both procedures are essential for maintaining the ef...read more
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Q1. Process of Pilling and I-Girder methodology?
Ans. 
Pilling is the process of driving precast concrete piles into the ground to provide foundation support. I-Girder methodology involves using precast concrete girders in bridge construction.
• Pilling involves driving precast concrete piles into the ground using specialized equipment

• I-Girder methodology uses precast concrete girders to support bridge decks

• Both processes are commonly used in construction projects to provide
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Q2. Methodology of Girder Erection ?
Ans. 
Girder erection involves lifting and placing girders into position for bridge construction.
• Girders are typically lifted using cranes or specialized equipment.

• Proper planning and coordination are essential to ensure safety and efficiency.

• Girder erection may involve the use of temporary supports or falsework.

• Quality control measures are important to ensure girders are placed accurately and securely.

• Examples of girder ere...read more
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Q1. What makes You to join adani
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Q2. What do you change your last Organisation?
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Q1. Salary negotiation?
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It was a mix of general aptitude questions and theoretical core questions!

Q1. What is concrete technology?
Ans. 
Concrete technology is the study of the properties and behavior of concrete materials.
• Concrete technology involves understanding the composition, properties, and behavior of concrete materials.

• It includes knowledge of mix design, construction practices, and testing methods.

• Advancements in concrete technology have led to the development of high-performance concrete, self-healing concrete, and sustainable concrete soluti
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Q2. How do you define concrete technology?
Ans. 
Concrete technology refers to the science and technology involved in the properties, behavior, and use of concrete materials.
• Concrete technology involves the study of materials used in concrete production, such as aggregates, cement, and water.

• It also includes understanding the properties of concrete, such as strength, durability, and workability.

• Concrete technology covers various methods of concrete production, testin...read more
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Q3. What is slump cone test?
Ans. 
Slump cone test is a method used to determine the workability of concrete by measuring the consistency and flow of the concrete mix.
• Involves filling a slump cone with concrete mix, then lifting the cone to see how much the concrete slumps or settles

• The amount of slump is measured in millimeters and indicates the workability of the concrete mix

• Different types of slumps (true slump, shear slump, collapse slump) can indic...read more
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Q4. What is soil bearing capacity?
Ans. 
Soil bearing capacity refers to the ability of soil to support the load applied to it without undergoing excessive settlement or deformation.
• Soil bearing capacity is typically measured in pounds per square foot or kilopascals.

• It is influenced by factors such as soil type, moisture content, compaction, and depth.

• Different types of soil have different bearing capacities - for example, clay soils generally have a lower be...read more
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Q5. What is the latest technology in the field of civil engineering?
Ans. 
One of the latest technologies in civil engineering is Building Information Modeling (BIM).
• Building Information Modeling (BIM) is a digital representation of physical and functional characteristics of a building.

• BIM allows for collaboration among architects, engineers, and construction professionals throughout the project lifecycle.

• It helps in improving efficiency, reducing errors, and optimizing building performance.

• E...read more
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Q6. How are bridges made under water and what all is required to prevent rods from corrosion?
Ans. 
Bridges are made underwater using various construction methods and materials to prevent corrosion of rods.
• Specialized equipment like cofferdams or caissons are used to create a dry work environment underwater.

• Materials like epoxy-coated rebar or stainless steel are used to prevent corrosion of rods.

• Cathodic protection systems can also be installed to protect the rods from corrosion.

• Regular maintenance and inspections a...read more
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Q1. About my fathers profession?
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Q2. About my earlier interests ?
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