20+ Samsung E&A Interview Questions and Answers

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.

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

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

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.

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

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

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

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

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

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.

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

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

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

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

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.

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

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.

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

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

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

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

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.

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

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

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.

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

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