Idom Piping Stress Engineer Interview Questions and Answers

Q1. Expansion stress formula
Ans. 
Expansion stress formula calculates the stress caused by thermal expansion or contraction.
• Expansion stress formula is given by: ΔL/L = αΔT, where ΔL is the change in length, L is the original length, α is the coefficient of thermal expansion, and ΔT is the change in temperature.

• The formula can be used to calculate the stress caused by thermal expansion or contraction in piping systems.

• The formula assumes that the mater...read more
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Q2. IBR LINES details.pressure ratings etc
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Q3. Sustain stress formula
Ans. 
Sustain stress formula calculates the maximum allowable stress for a given material under sustained loading.
• Sustain stress formula is used in piping stress analysis to determine the maximum allowable stress for a given material under sustained loading.

• The formula takes into account the material's yield strength, ultimate tensile strength, and safety factor.

• Sustain stress formula is expressed as S = (Sy/FS) + (Su/FS) * ...read more
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Question where asked from trains,permutation and some grammer

Q1. Patch load on towers
Ans. 
Patch load on towers refers to the additional weight or load that is applied to a tower structure to strengthen or modify its capacity.
• Patch load can be applied to towers to increase their capacity to withstand wind, seismic, or other loads.

• Patch load can also be used to redistribute loads on a tower to prevent structural failures.

• Examples of patch loads include adding steel plates or braces to a tower structure to inc...read more
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Q2. Epa calculation
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Q1. Work beyond shift time
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Q2. Codes on towers
Ans. 
Codes on towers refer to the specific design and construction standards that must be followed for safety and structural integrity.
• Codes on towers are regulations set by organizations like ANSI/TIA and ASCE that dictate the design, construction, and maintenance of towers.

• These codes cover aspects such as materials used, structural design, wind loading, and safety factors.

• For example, ANSI/TIA-222-G specifies the require...read more
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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. Introducing and personality
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Technical questions about the Revit and MEP

Q1. Normally, asking my previous work
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Q1. Salary Discussion
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