Larsen & Toubro Limited Sp3d Piping Designer Interview Questions and Answers

Q1. What is piping?
Ans. 
Piping refers to a system of pipes used to transport fluids or gases from one location to another.
• Piping is used in various industries such as oil and gas, chemical, pharmaceutical, and construction.

• It involves the design, fabrication, installation, and maintenance of pipes.

• Pipes can be made of materials like steel, copper, PVC, or HDPE.

• Piping systems can include fittings, valves, and other components to control the fl...read more
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Q2. What are the types of pipes used in piping?
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Types of pipes used in piping include steel, copper, PVC, and HDPE.
• Steel pipes: commonly used for high-pressure applications

• Copper pipes: used for water supply lines

• PVC pipes: lightweight and easy to install, commonly used for drainage systems

• HDPE pipes: high-density polyethylene pipes used for underground gas and water lines
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Q1. What is bevel angle of piping?
Ans. 
Bevel angle of piping refers to the angle formed between the prepared edge of the pipe and a plane perpendicular to the pipe axis.
• Bevel angle is typically specified in degrees, such as 30° or 45°.

• It is important for welding processes to ensure proper fit-up and joint strength.

• Different bevel angles may be required based on the material being used and the welding procedure being employed.
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Quality tool box talk safe work on site

Piping metal code cs,SS,ltcs and alloys

Q1. How much group work in side
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Q2. Civil, mechanical, electrical
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Q3. All work place clean and safe
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Q4. Permit after work start
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All types of piping fabrication and erection installation in site

Q1. All reports submit in hr department
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Q1. Thickness calculation
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Q1. How to place a pump with respect to Rack?
Ans. 
The pump should be placed in a location that allows for easy maintenance and operation, while also considering the space and weight limitations of the rack.
• Consider the flow direction and orientation of the pump

• Ensure there is enough space for maintenance and repair

• Take into account the weight of the pump and its impact on the rack

• Consider the location of other equipment and piping in the area
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Q2. What is todo list in SP3D, Which type of error may be there,how to encounter them.
Ans. 
Todo list in SP3D is a list of tasks to be completed. Errors may include missing information or incorrect data.
• Todo list in SP3D is a list of tasks that need to be completed in the software.

• Errors in the todo list may include missing information or incorrect data.

• To encounter these errors, the user should carefully review the todo list and ensure that all necessary information is provided.

• For example, if a piping desig...read more
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Q3. You may have to design a test model in SP3D,E3D.
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Q4. What is the General arrangements be there of equipments.
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Q1. What is your view of society.
Ans. 
Society is a complex web of individuals with diverse backgrounds, beliefs, and values.
• Society is constantly evolving and changing.

• It is important to recognize and respect the differences among individuals.

• Social issues such as inequality, discrimination, and poverty need to be addressed.

• Community involvement and support are crucial for a healthy society.

• Education and awareness can help promote positive change.

• Technolog...read more
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Logical, Analytical,Reasoning,English

Population of India to be described in detail.

Q1. All related Piping and my experience related questions ASME standards codes
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Q2. What's Pinging, pipeline ASME CODE
Ans. 
Pinging in pipeline ASME CODE refers to the process of using ultrasonic testing to detect defects or anomalies in the pipeline.
• Pinging involves sending ultrasonic waves through the pipeline to detect any abnormalities in the material or welds.

• This technique is commonly used in the inspection of pipelines to ensure they meet the standards set by the ASME CODE.

• Pinging helps identify potential issues such as cracks, corro...read more
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Q3. What's the use of corrosion coupon and it's applications
Ans. 
Corrosion coupons are used to monitor the rate of corrosion in a system and to determine the effectiveness of corrosion inhibitors.
• Corrosion coupons are small metal strips or discs that are inserted into a system to measure the rate of corrosion over time.

• They are made of the same material as the system being monitored, allowing for accurate assessment of corrosion rates.

• Corrosion coupons are typically retrieved period...read more
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Q4. P&ID and PFD difference and full form
Ans. 
P&ID stands for Piping and Instrumentation Diagram, while PFD stands for Process Flow Diagram. They are both used in engineering to represent processes and systems.
• P&ID shows the piping of the process flow system, including the equipment and instrumentation used.

• PFD shows the overall flow of the process, including major equipment and control loops.

• P&ID includes more detailed information like pipe sizes, materials, and ...read more
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Q5. CAD related test on basis isometric drafting and ON PIPING GAD also
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Q6. Types of instruments and application
Ans. 
Types of instruments used in piping engineering and their applications
• Pressure gauges - measure pressure in pipes to ensure safe operation

• Flow meters - measure the flow rate of fluids in pipes for monitoring purposes

• Temperature sensors - monitor the temperature of fluids in pipes to prevent overheating

• Level indicators - indicate the level of fluids in tanks connected to pipes for control purposes

• Control valves - regula...read more
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Q1. About Piping construction process, drawings and Quality control.
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Q1. About salary and when can I join
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