Samsung E&A Senior Instrument Engineer Interview Questions and Answers

I am a dedicated instrumentation engineer with a strong background in designing and implementing control systems.

• Graduated with a degree in Instrumentation Engineering

• Experienced in designing control systems for industrial processes

• Skilled in programming PLCs and SCADA systems

• Worked on projects involving process optimization and automation

• Strong problem-solving and analytical skills

To install an ultrasonic flowmeter in big size lines, especially in flare service, proper planning and coordination with other disciplines is essential.

• Ensure the flowmeter is suitable for the size of the line and the conditions of the flare service.

• Coordinate with piping and instrumentation departments to determine the best location for installation.

• Consider factors such as accessibility for maintenance and calibratio...read more

Process variable measurements are essential for monitoring and controlling industrial processes.

• Process variables include temperature, pressure, flow rate, level, pH, conductivity, etc.

• Measurements are typically done using sensors and transmitters.

• Accurate measurements are crucial for ensuring process efficiency and safety.

• Examples of instrumentation used for measurement include thermocouples, pressure transducers, flo

Documents required for installation of a flow meter

• Manufacturer's installation manual

• Piping and instrumentation diagram (P&ID)

• Electrical wiring diagram

• Calibration certificate

• Material test certificate (MTC) for piping

• Safety data sheet (SDS) for chemicals used in installation

• Permit for installation

• Quality assurance plan (QAP)

• As-built drawings

Control valve sizing requires accurate input data to ensure proper valve selection and performance.

• Process fluid properties such as density, viscosity, and pressure drop

• Flow rate and flow characteristics

• Piping and valve specifications

• Control system requirements

• Environmental factors such as temperature and altitude

• Consideration of safety and reliability

• Examples of input data include P&ID diagrams, process data sheets, a

SPI modules are communication interfaces used to transfer data between microcontrollers and peripheral devices.

• SPI stands for Serial Peripheral Interface

• It is a synchronous communication protocol

• SPI modules have a master-slave architecture

• Data is transferred in full duplex mode

• Commonly used in microcontroller-based systems for communication with sensors, displays, and memory devices

Codes and standards play a crucial role in ensuring proper sizing and ratings for orifice and level instruments in the field of control & instrumentation engineering.

• Codes and standards such as ASME, API, and ISA provide guidelines for orifice sizing and ratings.

• Proper selection of orifice size is essential for accurate flow measurement.

• Level instrument ratings are determined based on factors like pressure, temperature...read more