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Foxboro iA series DCS is a distributed control system used in industrial automation.
It is designed for process automation and control in industries such as oil and gas, power, and chemical.
It offers advanced control strategies and algorithms for optimizing process performance.
It includes a range of hardware and software components, including controllers, I/O modules, and engineering tools.
It supports various communicat...
Triconex PLC is a safety instrumented system used in critical applications.
Triconex PLC is designed for high availability and fault tolerance.
It uses triple modular redundancy (TMR) architecture to ensure safety and reliability.
It has a wide range of input/output modules and communication options.
It is used in industries such as oil and gas, chemical, and power generation.
It has features such as diagnostics, testing, a...
Spanning Tree Protocol (STP) is a network protocol that prevents loops in a network topology.
STP is used to prevent broadcast storms caused by loops in a network.
It works by selecting a root bridge and disabling redundant paths to prevent loops.
STP is implemented in switches and bridges in a network.
It is defined in IEEE 802.1D standard.
STP has several variants such as Rapid STP (RSTP) and Multiple STP (MSTP).
DCS systems in different plants are interconnected through various communication protocols.
DCS systems use communication protocols like Modbus, Profibus, and Ethernet/IP to interconnect.
Interconnection allows for data sharing and control between different plant areas.
DCS systems can also be connected to other systems like SCADA and MES for higher-level control and monitoring.
Interconnection can be achieved through wire...
Siemens, GE Fanuc, and Allen Bradley PLCs are programmable logic controllers used in industrial automation.
Siemens PLCs are known for their high processing speed and advanced communication capabilities.
GE Fanuc PLCs are known for their flexibility and ability to handle complex applications.
Allen Bradley PLCs are known for their user-friendly programming software and extensive support network.
All three PLCs offer a rang...
Steps to be taken for work in a safety critical loop
Identify the safety critical loop
Define the safety requirements
Design the loop with redundancy and fault tolerance
Implement the loop with safety standards
Test the loop thoroughly
Maintain the loop regularly
Consists of technical and Aptitude questions
GD on general topics
Different types of valves used in industries include gate valves, globe valves, ball valves, butterfly valves, and check valves.
Gate valves: used to control the flow of liquids or gases by opening or closing the gate.
Globe valves: used to regulate flow in a pipeline, with a globe-shaped body and a movable plug.
Ball valves: have a spherical closure unit to control flow, commonly used in high-pressure applications.
Butter...
I appeared for an interview before Feb 2024.
Cairn Energy interview questions for popular designations
I applied via Campus Placement
Electromagnetic flowmeter measures flow rate by using Faraday's law of electromagnetic induction.
Electromagnetic flowmeter is based on the principle of Faraday's law of electromagnetic induction.
It consists of a flow tube, electrodes, and a magnetic field.
When a conductive fluid flows through the flow tube, it generates a voltage proportional to the flow rate.
The electrodes detect the voltage and the magnetic field ens...
Interacting systems have feedback loops and can influence each other's behavior, while non-interacting systems operate independently.
Interacting systems have mutual dependencies and can affect each other's inputs, outputs, or behavior.
Non-interacting systems operate independently and do not have any influence on each other.
Interacting systems often involve feedback loops where the output of one system affects the input...
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I applied via Campus Placement and was interviewed in Oct 2023. There were 2 interview rounds.
Do deadlines kills creativity?
Yes, I have worked with Vibration Monitoring Systems.
I have experience in installing and configuring vibration monitoring systems.
I have conducted regular inspections and maintenance of vibration monitoring equipment.
I have analyzed vibration data to identify potential issues and recommend corrective actions.
I have worked with various types of vibration sensors and transducers.
I have collaborated with other engineers a...
Control valves can be classified into different types based on their design and function.
Globe valves
Butterfly valves
Ball valves
Diaphragm valves
Needle valves
Gate valves
Check valves
Pressure relief valves
I applied via Walk-in and was interviewed before May 2023. There were 3 interview rounds.
I applied via Job Portal and was interviewed before Apr 2023. There was 1 interview round.
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