ADNOC Instrumentation Technician Interview Questions, Process, and Tips

Q1. Gas compressor and engine about
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Q2. What is transmitter,RTD, thermocouple and control valve and actuators,
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Transmitter, RTD, thermocouple, control valve, and actuators are all important components in instrumentation technology.
• Transmitter is a device that converts a physical parameter into an electrical signal.

• RTD (Resistance Temperature Detector) is a type of temperature sensor that measures temperature by detecting changes in electrical resistance.

• Thermocouple is another type of temperature sensor that measures temperatur...read more
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Q3. PLC and DCS workings
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Q1. Any instrumentation equipment explain
Ans. 
Instrumentation equipment refers to devices used to measure, control, and monitor various parameters in industrial processes.
• Instruments like pressure gauges, flow meters, and temperature sensors are commonly used in instrumentation.

• Control valves and actuators are used to regulate the flow of fluids or gases.

• Programmable Logic Controllers (PLCs) are used for automation and control of processes.

• Analytical instruments l...read more
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Q2. PLC and scada and DCS
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Q3. PLC panel wiring diagram
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A PLC panel wiring diagram is a visual representation of the electrical connections and components in a programmable logic controller panel.
• A PLC panel wiring diagram shows the layout and connections of various components such as power supplies, input/output modules, relays, and sensors.

• It helps technicians understand how the electrical signals flow within the panel and how different devices are interconnected.

• The diag...read more
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Q4. What is the control valve
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A control valve is a device used to regulate the flow of fluid or gas in a process system.
• Control valves are commonly used in industries such as oil and gas, chemical, and power plants.

• They can be operated manually or automatically through an electrical or pneumatic signal.

• Control valves consist of a valve body, actuator, and positioner.

• They can control variables such as flow rate, pressure, temperature, and level.

• Exam...read more
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Q5. What is the transmitter
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A transmitter is a device used in instrumentation to convert a physical measurement into an electrical signal.
• Transmitters are commonly used in industries such as oil and gas, chemical, and power plants.

• They are used to measure variables such as pressure, temperature, flow rate, level, and pH.

• Transmitters typically consist of a sensing element, signal conditioning circuitry, and an output signal.

• The sensing element det...read more
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Q6. What is the flow meters
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Flow meters are devices used to measure the flow rate of a fluid or gas.
• Flow meters are commonly used in industries such as oil and gas, water treatment, and manufacturing.

• They can measure flow rates in various units such as liters per minute, cubic meters per hour, or gallons per minute.

• Different types of flow meters include electromagnetic, ultrasonic, turbine, and differential pressure flow meters.

• Flow meters can be...read more
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Q1. How to install temperature transmitter
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To install a temperature transmitter, you need to properly mount the transmitter, connect the wiring, configure the settings, and test the transmitter.
• Mount the temperature transmitter in a suitable location near the temperature source.

• Connect the wiring according to the manufacturer's instructions, ensuring proper grounding.

• Configure the settings such as range, output signal, and calibration using the transmitter's di...read more
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Q1. Instrument Technician
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Q2. Personal Details
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Consists of technical and Aptitude questions

GD on general topics

Q1. What are different types of valves used in Industries?
Ans. 
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...read more
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Q2. What are your challenges u faced in life?
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