L&T Construction Senior Pipeline Engineer Interview Questions and Answers for Experienced

Q1. What is piping engineer
Ans. 
A piping engineer is a professional responsible for designing, planning, and overseeing the installation of piping systems in various industries.
• Designing piping systems to transport fluids or gases

• Selecting appropriate materials for piping construction

• Ensuring compliance with industry standards and regulations

• Collaborating with other engineers and stakeholders on project requirements

• Performing stress analysis and calc
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Q2. What is hydro testing
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Hydro testing is a process of testing the strength and integrity of pipelines or vessels by filling them with water under pressure.
• Hydro testing is a common method used to ensure that pipelines or vessels can safely withstand the pressure they will be subjected to during normal operation.

• During hydro testing, the pipeline or vessel is filled with water and pressurized to a level higher than the operating pressure to ch...read more
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Q1. What is the IS code of pile.
Ans. 
IS 2911 is the Indian Standard code for design and construction of pile foundations.
• IS 2911 is the code for design and construction of pile foundations in India.

• It covers various types of piles including driven piles, bored cast-in-situ piles, etc.

• The code provides guidelines for the design, materials, construction, and testing of piles.

• It ensures the safety and stability of structures supported by piles.

• Example: IS 29...read more
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Q2. What is the density of bentonite during piling.
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The density of bentonite during piling is typically around 1.0 to 1.2 g/cm^3.
• The density of bentonite can vary depending on the specific type and concentration used.

• Higher density bentonite is often preferred for better support during piling operations.

• Typical range of density for bentonite during piling is 1.0 to 1.2 g/cm^3.
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Q1. PSC Girder, RCC Girder and Is coad
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Q2. All box type structure and pile foundation with coad
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Box type structures are commonly used in construction for their strength and durability, often supported by pile foundations with coating for protection against corrosion.
• Box type structures are known for their rigid and strong design, providing stability and support for various applications.

• Pile foundations are used to transfer the load of the structure to a deeper, more stable soil or rock layer.

• Coating on pile found...read more
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About Previous experience and some site questions

Q1. Civil and Highway Structure related Question
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Q1. Just well prepare basics and what you done in your previous organizations. Team handling and management skills
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Q1. Written technical of 3 questions
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Q2. 1. Find weight and COG of an irrrgular shape. Unit weight of member was given. 2. Calculate force required for COG shift. W load was applied at center of rectangle and we had to calculate forces at all fou...read more
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Interview questions for Structural Engineer
• For irregular shape, find volume and multiply by unit weight to get weight. Divide moment of each part by total weight to get COG.

• To calculate force required for COG shift, use moment equation. Sum of moments about any point should be equal to zero.

• For SFD and BMD, use equations of equilibrium and moment. Draw free body diagram to show all forces acting on the portal.

• Understan...read more
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Q1. Explain barge and lifting analysis with full procedure. Various lifting factors. Support condition in barge and lifting analysis. Local check of equipment supporting beam.
Ans. 
Barge and lifting analysis involves determining the support conditions and lifting factors for equipment on a barge.
• Barge and lifting analysis is used to ensure that equipment on a barge is properly supported and can be safely lifted.

• The procedure involves analyzing the support conditions of the barge and the equipment, as well as determining the lifting factors required to safely lift the equipment.

• Various factors mus...read more
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Q1. Auto cad commands
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Q2. Trim Shortcut Key
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Q3. Fillet Command Use Which Purpose
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The Fillet command is used in structural engineering to create a rounded corner between two lines or objects.
• The Fillet command is used to create a smooth transition between two lines or objects by adding a rounded corner.

• It is commonly used in structural engineering to create fillets at the junctions of beams, columns, and other structural elements.

• The Fillet command can be used with different radius values to control...read more
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