Jacobs Engineering Group Piping Engineer Interview Questions and Answers

Q1. Thickness calculation
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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?
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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 material Details and ASME codes
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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
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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
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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
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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. Types of pipe support?
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Pipe supports are used to hold and position pipes in various applications.
• Pipe hangers: Used to suspend pipes from ceilings or walls.

• Pipe clamps: Used to secure pipes to structural supports.

• Pipe shoes: Used to support pipes on flat surfaces.

• Spring supports: Used to absorb vibrations and provide flexibility.

• Rigid supports: Used to provide fixed support to pipes.

• Variable supports: Used to accommodate thermal expansion an
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Q2. How to do piping of pump ?
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Piping of pump involves selecting appropriate pipe size, routing, and supporting the pipe to avoid stress and vibration.
• Select pipe size based on pump flow rate and pressure requirements

• Route the pipe to minimize friction loss and avoid obstacles

• Support the pipe adequately to avoid stress and vibration

• Use appropriate fittings and valves to connect the pump to the piping system

• Consider the material of the pipe and fitti...read more
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Q1. Tell me about yourself
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Q2. Why have you chosen our company
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WHAT IS NPHSA AND WHAT IS PIPING STANDARD AND WHAT IS EQUPIPMENT LAYOUT

Q1. WHAERE IS YOU LIVE AND WHAT IS YOUR FAMILY BAGROUND
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Q2. SALLARY EXPECTATION AND YOUR EXPERIACE AND YOUR ID AND ADHARKARD CAHEAKED
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