Larsen & Toubro Limited Manager - Piping Interview Questions and Answers

Q1. How many type gaskets
Ans. 
There are several types of gaskets used in piping, including spiral wound, ring joint, and sheet gaskets.
• Spiral wound gaskets are commonly used for high pressure and temperature applications.

• Ring joint gaskets are used in high pressure and high temperature applications, typically in oil and gas industries.

• Sheet gaskets are versatile and come in various materials such as rubber, cork, and graphite.
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Q1. What are isometric drawing and use
Ans. 
Isometric drawing is a 3D drawing technique used in piping to show a clear representation of piping layout.
• Isometric drawing is a type of 3D drawing that represents a 3D object in two dimensions.

• It is commonly used in piping to show the layout of pipes, fittings, and other components in a clear and detailed manner.

• Isometric drawings help in visualizing how components fit together and the overall layout of a piping syst...read more
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Q2. What is Types of drawing Isometric
Ans. 
Isometric drawings are 3D drawings that show a three-dimensional object in a two-dimensional format.
• Isometric drawings use three axes (x, y, z) to represent the object in 3D space.

• All three axes are equally angled from each other, typically at 120 degrees.

• Isometric drawings are commonly used in engineering and construction to visualize objects and structures.

• Examples of isometric drawings include piping layouts, archit
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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?
Ans. 
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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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.

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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