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I applied via campus placement at Dr Meghnad Saha Institute of Technology, Haldia and was interviewed in Feb 2022. There were 3 interview rounds.
DI, DO, AI, AO loop wiring diagram is a schematic representation of the connections between input/output devices and controllers.
DI (Digital Input) devices are connected to the controller through a digital input module.
DO (Digital Output) devices are connected to the controller through a digital output module.
AI (Analog Input) devices are connected to the controller through an analog input module.
AO (Analog Output) dev...
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posted on 7 Jul 2022
I applied via Newspaper Ad and was interviewed in Jan 2022. There were 2 interview rounds.
Steam drum level transmitter measures the level of water in the steam drum using differential pressure.
Uses differential pressure to measure the level of water in the steam drum
Consists of two pressure sensors, one at the bottom and one at the top of the drum
The difference in pressure between the two sensors is proportional to the level of water in the drum
Common types include capacitance, ultrasonic, and radar transmi
Soft tags are assigned in software while hard tags are assigned in hardware.
Soft tags are used for variables that are not directly connected to hardware.
Hard tags are used for variables that are directly connected to hardware.
Soft tags can be assigned through the DCS software.
Hard tags are assigned through the hardware configuration.
Examples of soft tags include calculated values and setpoints.
Examples of hard tags inc
posted on 5 Feb 2022
A control valve is a device used to regulate the flow of fluid or gas in a system.
Control valves are used in various industries such as oil and gas, chemical, and power generation.
They can be operated manually, electrically, or pneumatically.
Control valves can be classified into different types such as globe valves, ball valves, and butterfly valves.
They are essential components in a control loop that helps maintain pr...
Control valves regulate the flow of fluids or gases in a process system.
Control valves have a valve body, actuator, and positioner.
The valve body contains the flow path and the valve plug.
The actuator provides the force to move the valve plug.
The positioner ensures the valve is in the correct position.
Control valves can be operated manually or automatically.
Examples of control valves include globe valves, butterfly val
posted on 6 Jan 2022
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