Samsung E&A Piping Supervisor Interview Questions and Answers

Q1. Basic Piping Technical Questions
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Q2. Software related questions
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Q1. Salary Negotiation
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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. Explain the suction piping of pump?
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Suction piping of a pump is the piping system that brings fluid into the pump from the source.
• Suction piping is designed to ensure a smooth flow of fluid into the pump without any air pockets or cavitation.

• The piping should be sized appropriately to prevent excessive pressure drop and maintain efficient pump operation.

• Proper alignment and support of the piping is crucial to prevent stress on the pump and ensure longevi...read more
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Q2. Why we used eccentric reducer in suction line with flat side up/
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Eccentric reducers are used in suction lines with flat side up to prevent air pockets and improve flow efficiency.
• Eccentric reducers help in preventing air pockets from forming in the suction line

• Having the flat side up ensures that any trapped air can easily escape

• Improves flow efficiency by reducing turbulence and pressure drop

• Commonly used in applications where smooth flow is critical, such as pump suction lines
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Q3. What is figure 8?
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Figure 8 is a type of knot commonly used in piping design to secure two ropes or cables together.
• Figure 8 knot is also known as a stopper knot due to its ability to prevent ropes from slipping through holes or other openings.

• It is easy to tie and untie, making it a popular choice for various applications in piping design.

• The figure 8 knot is often used in rock climbing, sailing, and rescue operations for its reliabilit
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Q1. Piping of control station
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Control station piping is essential for regulating and monitoring the flow of fluids in a system.
• Control station piping connects various components such as valves, instruments, and equipment to control the flow of fluids.

• Proper design of control station piping ensures efficient operation and safety of the system.

• Consider factors like pressure, temperature, and material compatibility when designing control station pipin...read more
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Q2. Suction piping of pump
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Suction piping of pump is crucial for efficient operation and performance.
• Suction piping should be designed to minimize friction losses and ensure proper flow to the pump.

• Proper sizing and layout of suction piping is essential to prevent cavitation and maintain pump efficiency.

• Consider factors such as pipe diameter, length, bends, and fittings when designing suction piping.

• Use smooth bore pipes, avoid sharp bends, and ...read more
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Q1. Thickness calculation
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Q1. Normally, asking my previous work
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Q1. Salary Discussion
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Tank area design, layout . safety distance between tanks and location and recommendations for pump station piping and layout

Q1. What type of Pressure Tests are conducted on valves?
Ans. 
Various pressure tests are conducted on valves including hydrostatic test, pneumatic test, and cryogenic test.
• Hydrostatic test is conducted by filling the valve with water and pressurizing it to a specified pressure to check for leaks.

• Pneumatic test involves using air or nitrogen to pressurize the valve and check for leaks or defects.

• Cryogenic test is performed at low temperatures to ensure the valve can withstand extr...read more
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Q2. What are some of the most important safety considerations you make when designing piping systems?
Ans. 
Safety considerations in designing piping systems are crucial for preventing accidents and ensuring the integrity of the system.
• Ensuring proper material selection to withstand the intended pressure and temperature conditions

• Implementing proper support and restraint systems to prevent excessive stress and vibration

• Incorporating adequate access points for maintenance and inspection

• Following relevant codes and standards s...read more
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Q1. Piping code equipment layout previous project related
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Q1. Equipment model , pump suction discharge
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