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20+ Samsung E&A Interview Questions and Answers

Updated 11 Feb 2025

Q1. What is the pump in Mechanical and process?

Ans.

A pump is a mechanical device that is used to move fluids from one place to another in a process.

  • Pumps are used in various industries such as oil and gas, chemical, water treatment, and food processing.

  • They can be classified into different types such as centrifugal, positive displacement, and jet pumps.

  • Pumps can be powered by electricity, diesel, or steam.

  • Examples of pumps include water pumps, fuel pumps, and vacuum pumps.

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Q2. How many type of Centrifugal pump ?

Ans.

There are several types of centrifugal pumps used in various applications.

  • Single-stage centrifugal pump

  • Multi-stage centrifugal pump

  • Axial flow centrifugal pump

  • Mixed flow centrifugal pump

  • Submersible centrifugal pump

  • Self-priming centrifugal pump

  • Vertical centrifugal pump

  • Horizontal centrifugal pump

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Q3. How align the rotating equipment's ?

Ans.

Rotating equipment alignment is achieved by using precision measurement tools and techniques to ensure proper positioning and parallelism.

  • Use laser alignment systems to measure and correct misalignment

  • Check and adjust coupling alignment to minimize vibration and maximize efficiency

  • Utilize dial indicators and feeler gauges to measure and adjust shaft runout

  • Consider thermal growth and compensate for it during alignment

  • Perform alignment checks periodically to maintain optimal pe...read more

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Q4. How many tipes of metal?

Ans.

There are numerous types of metals, each with unique properties and characteristics.

  • Metals can be categorized into ferrous and non-ferrous metals.

  • Ferrous metals include iron, steel, and cast iron.

  • Non-ferrous metals include aluminum, copper, brass, and bronze.

  • Other types of metals include precious metals like gold and silver, and rare metals like titanium and tungsten.

  • Each metal has its own unique properties, such as strength, ductility, and conductivity.

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Q5. Two tipes 1. Ferrous 2 Now Ferrous metal

Ans.

Ferrous metals contain iron while non-ferrous metals do not.

  • Ferrous metals are magnetic and prone to rusting

  • Examples of ferrous metals include steel and cast iron

  • Non-ferrous metals are more resistant to corrosion

  • Examples of non-ferrous metals include aluminum and copper

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Q6. Pumps and its types, cavitation.

Ans.

Pumps are devices used to move fluids. Types include centrifugal, positive displacement, and submersible. Cavitation is the formation of vapor bubbles in a liquid due to low pressure.

  • Pumps are used to move fluids in various industrial processes.

  • Types of pumps include centrifugal, positive displacement, and submersible.

  • Cavitation occurs when the pressure in a liquid drops below its vapor pressure, leading to the formation of vapor bubbles.

  • Cavitation can cause damage to pump co...read more

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Q7. How to deal with the subcontractor

Ans.

Effective communication, clear expectations, regular check-ins, and addressing issues promptly.

  • Establish clear expectations and requirements upfront

  • Maintain open and regular communication with subcontractors

  • Regularly check in on progress and address any issues promptly

  • Provide feedback and guidance as needed

  • Document all agreements and changes in writing

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Q8. Different between diffrent windows version and Android verions

Ans.

Windows versions are operating systems for PCs, while Android versions are operating systems for mobile devices.

  • Windows versions are designed for personal computers, while Android versions are designed for mobile devices.

  • Windows versions include Windows 7, Windows 8, and Windows 10, while Android versions include KitKat, Lollipop, and Marshmallow.

  • Windows versions have a desktop interface, while Android versions have a touch-based interface.

  • Windows versions are developed by Mi...read more

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Q9. Strength of materials andstructure analysis

Ans.

Strength of materials and structure analysis involves studying the behavior of materials under various loads and analyzing the stability and strength of structures.

  • Understanding material properties such as stress, strain, and elasticity is crucial in analyzing the strength of materials.

  • Structural analysis involves determining the internal forces and stresses in a structure to ensure it can support the applied loads.

  • Common methods used in strength of materials and structure an...read more

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Q10. Line sizing of the fluids.

Ans.

Line sizing of fluids is crucial for efficient process operation and safety.

  • Line sizing is determined based on the flow rate, pressure drop, and fluid properties.

  • Proper line sizing ensures optimal flow velocity to prevent erosion and corrosion.

  • Consider factors like viscosity, density, and temperature when sizing lines.

  • Use industry standards and guidelines for accurate line sizing calculations.

  • Examples: API 14E for oil and gas pipelines, ASME B31.3 for chemical process piping.

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Q11. What are Hazards of Work at Height ?

Ans.

Hazards of work at height include falls, falling objects, unstable surfaces, and weather conditions.

  • Falls from height can result in serious injuries or fatalities

  • Objects falling from height can cause harm to workers below

  • Unstable surfaces such as ladders or scaffolding can lead to slips or falls

  • Weather conditions like wind or rain can increase the risk of accidents

  • Improper use of safety equipment can also contribute to hazards

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Q12. What is Hazard Control Hierarchy ?

Ans.

Hazard Control Hierarchy is a system used to prioritize and implement control measures to reduce or eliminate workplace hazards.

  • Hierarchy of controls ranks control measures from most effective to least effective: Elimination, Substitution, Engineering Controls, Administrative Controls, Personal Protective Equipment (PPE)

  • The goal is to eliminate or reduce hazards at the source rather than relying on PPE

  • Example: Instead of providing workers with gloves to protect against a chem...read more

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Q13. How to deal with the client

Ans.

Building Supervisor should communicate effectively with clients to address their needs and concerns.

  • Listen actively to the client's requests and concerns

  • Provide clear and timely updates on project progress

  • Address any issues or complaints promptly and professionally

  • Maintain a positive and respectful attitude towards the client

  • Seek feedback from the client to ensure satisfaction

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Q14. Project Undertaken

Ans.

I led a project to optimize the manufacturing process for a pharmaceutical company.

  • Led a project to optimize manufacturing process

  • Worked with a pharmaceutical company

  • Implemented process improvements to increase efficiency

  • Reduced production costs by 15%

  • Streamlined workflow and reduced cycle time

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Q15. What is MOS

Ans.

MOS stands for Metal Oxide Semiconductor. It is a type of transistor used in electronic devices.

  • MOS is a type of transistor that is commonly used in electronic devices.

  • It is made up of a metal gate, oxide insulator, and semiconductor material.

  • MOS transistors are used in digital circuits, amplifiers, and memory devices.

  • Examples of MOS-based devices include microprocessors, memory chips, and LCD screens.

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Q16. How to calculate pipe wall thickness

Ans.

Pipe wall thickness can be calculated using various methods based on the material, pressure, and temperature of the pipe.

  • Calculate using Barlow's formula: t = PD/(2S - 0.8P)

  • Consider factors like material properties, pressure, temperature, and safety factor

  • Consult relevant codes and standards for specific calculations

  • Use software tools like CAESAR II for complex piping systems

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Q17. Draw BMD for sway frame.

Ans.

BMD for sway frame is a diagram showing the variation of bending moment along the length of the frame.

  • BMD for sway frame will have a shape similar to a zigzag pattern due to the presence of sway in the frame.

  • The bending moment will be maximum at the points where the frame experiences maximum sway.

  • The BMD can be drawn by analyzing the internal forces and moments acting on the frame.

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Q18. How control valve sizing done

Ans.

Control valve sizing is done based on the process requirements and the characteristics of the fluid being controlled.

  • Determine the required flow rate and pressure drop

  • Select the appropriate valve type and style

  • Calculate the valve size based on the flow coefficient (Cv) and the valve authority

  • Consider factors such as noise, cavitation, and erosion

  • Verify the selected valve can handle the process conditions and fluid properties

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Q19. Draw piperack elevations

Ans.

Drawing piperack elevations involves creating detailed drawings of the structure from different viewpoints.

  • Start by determining the dimensions and layout of the piperack

  • Use software like AutoCAD to create accurate and detailed drawings

  • Include all necessary details such as pipe sizes, supports, and connections

  • Label all components clearly for easy understanding

  • Review and revise the drawings as needed for accuracy

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Q20. What is Instrument index

Ans.

Instrument index is a document that lists all instruments used in a project along with their details.

  • Instrument index is a comprehensive list of all instruments used in a project.

  • It includes details such as instrument tag number, type, location, and function.

  • Instrument index helps in tracking and managing instruments throughout the project.

  • It is essential for maintenance, troubleshooting, and calibration of instruments.

  • Example: Instrument index for a chemical plant may includ...read more

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Q21. What is instrument

Ans.

An instrument is a device used to measure, control, or regulate physical quantities such as temperature, pressure, flow, or level.

  • Instruments are used in various industries such as manufacturing, chemical, and oil and gas.

  • Examples of instruments include thermometers, pressure gauges, flow meters, and level sensors.

  • Instruments can be analog or digital, and can be operated manually or automatically.

  • Instrument technicians are responsible for installing, maintaining, and repairin...read more

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Q22. PWHT requirement as per code

Ans.

PWHT requirement is as per code for stress relieving and improving mechanical properties of welded components.

  • PWHT stands for Post Weld Heat Treatment.

  • PWHT is required to relieve residual stresses in welded components.

  • PWHT helps improve mechanical properties such as toughness and ductility.

  • PWHT requirements are specified in various welding codes and standards such as ASME, AWS, and API.

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Q23. Impact testing as per code

Ans.

Impact testing as per code is a method used to determine the toughness and resistance of materials to sudden loading.

  • Impact testing is conducted to assess the behavior of materials under high-stress conditions.

  • It helps in determining the ductility, brittleness, and toughness of materials.

  • Common methods of impact testing include Charpy and Izod tests.

  • Results of impact testing are compared to specified codes and standards to ensure compliance.

  • Impact testing is crucial in indust...read more

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Q24. Put your deman in one go

Ans.

My demand is to provide technical support to users in one go.

  • Provide timely and accurate technical assistance to users

  • Troubleshoot hardware and software issues

  • Document and track user issues and resolutions

  • Communicate effectively with users to understand and resolve their technical problems

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Q25. What is your Expected CTC

Ans.

My expected CTC is based on my experience, skills, and the market rate for Lead Software Engineers.

  • My expected CTC is in line with industry standards for Lead Software Engineers.

  • I have taken into consideration my years of experience and expertise in software development.

  • I am open to negotiation based on the overall compensation package offered by the company.

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Q26. What's Orifice metre

Ans.

An orifice meter is a device used to measure the flow rate of a fluid through a pipe by measuring the pressure drop across a constriction in the pipe.

  • It consists of a flat plate with a hole in the center, placed perpendicular to the flow of fluid.

  • The pressure drop across the orifice is proportional to the square of the flow rate.

  • It is commonly used in industries such as oil and gas, chemical, and water treatment.

  • Orifice meters are relatively inexpensive and easy to install, b...read more

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Q27. Design of foundation

Ans.

Designing a foundation involves determining the type of foundation, calculating loads, selecting materials, and ensuring proper construction techniques.

  • Identify the type of foundation needed based on soil conditions and building requirements (e.g. shallow foundation, deep foundation)

  • Calculate the loads that the foundation will need to support (e.g. dead loads, live loads, wind loads)

  • Select appropriate materials for the foundation based on the type of foundation and loads (e.g...read more

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Q28. Describe LTE call flow

Ans.

LTE call flow is the sequence of events that occur during a voice or data call in a LTE network.

  • UE attaches to the network and establishes a connection with the eNodeB

  • eNodeB assigns resources and sets up a radio link with the UE

  • UE sends a request to establish a connection with the core network (MME)

  • MME authenticates the UE and assigns it an IP address

  • Data packets are exchanged between the UE and the network

  • Upon call termination, resources are released and connection is closed

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