North oil Company Instrument Technician Lead Interview Questions and Answers

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. Documents and control system and field Instrumentation, meeting every working days with our team and ptw
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Q2. Documents work , control system DCS , ESD SIS and F&G , Field Instrumentation job,
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Q1. How many years experience?
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Q2. What is tha qualification?
Ans. 
The qualification for an Instrumentation Technician typically includes a degree or diploma in instrumentation technology or a related field.
• A degree or diploma in instrumentation technology or a related field is usually required.

• Knowledge of electrical and electronic systems is important.

• Experience with calibration and troubleshooting of instruments is often necessary.

• Familiarity with industry standards and regulations...read more
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Q3. Is currently working?
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Q4. Before working company
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Q1. What is Thermocouple range?
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Thermocouple range refers to the temperature range within which a thermocouple can accurately measure temperature.
• Thermocouple range varies depending on the type of thermocouple used.

• Common thermocouple types include J, K, T, E, and N.

• For example, a type K thermocouple has a range of -200 to 1350 degrees Celsius.

• It is important to select the appropriate thermocouple type for the temperature range being measured.
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Q2. What is anti surge valve?
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An anti-surge valve is a control valve used in a compressor system to prevent surge and maintain stable operation.
• An anti-surge valve is typically installed in the discharge line of a compressor.

• It is designed to protect the compressor from surge, which is a phenomenon of unstable flow and pressure that can cause damage to the compressor.

• The valve opens or closes based on the compressor's operating conditions to mainta...read more
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Q3. Are you working gas turbine?
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Yes, I have experience working with gas turbines.
• I have worked with gas turbines in my previous job as an instrumentation technician.

• I am familiar with the maintenance and troubleshooting of gas turbines.

• I have experience in calibrating and testing gas turbine sensors and instruments.

• I have knowledge of the safety protocols and regulations related to gas turbines.
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Q4. How many types vibration is there in field?
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There are three types of vibration in the field: axial, radial, and tangential.
• Axial vibration occurs parallel to the axis of rotation.

• Radial vibration occurs perpendicular to the axis of rotation.

• Tangential vibration occurs at a right angle to both axial and radial vibration.

• Vibration analysis is used to detect and diagnose problems in rotating machinery.

• Excessive vibration can lead to premature failure of bearings, g
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Q5. Are you know that preventive maintenance jobs?
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Yes, I am familiar with preventive maintenance jobs.
• Preventive maintenance involves regularly scheduled inspections, cleaning, and repairs to prevent equipment breakdowns.

• I have experience performing preventive maintenance on various types of instrumentation equipment, such as calibrators, transmitters, and controllers.

• Examples of preventive maintenance tasks I have performed include checking for leaks, replacing worn ...read more
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Q1. Are you instrument technician?
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Q2. What kind of precautions need in Plant running time?
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Precautions are necessary to ensure safe and efficient plant operation.
• Regular maintenance of equipment and machinery

• Proper training and certification of personnel

• Strict adherence to safety protocols and procedures

• Regular inspections and audits to identify potential hazards

• Effective communication and coordination among team members

• Use of personal protective equipment (PPE) as required

• Emergency response planning and dri...read more
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I am interested to work in maintenance field and troubleshooting

Q1. Technical Questions from Your past Experience & Syllabus
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Q1. About Salary discussion & Negotiations
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Q1. Experience and General Discussion by HR
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Q1. Technical Skills questions by Manager
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Q1. Have you worked with Vibration Monitoring System?
Ans. 
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...read more
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Q2. Types of Control valves?
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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
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