GAIL Instrumentation Technician Interview Questions and Answers

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?
Ans. 
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?
Ans. 
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?
Ans. 
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?
Ans. 
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?
Ans. 
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. How much you earn
Ans. 
I earn a competitive salary based on my experience and qualifications.
• My salary is based on my experience and qualifications

• I receive compensation for my work as an Instrumentation Technician

• I am satisfied with my current salary
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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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Q1. Explain Challenges with Well Testing in the field.
Ans. 
Challenges in well testing include equipment malfunctions, environmental factors, and data interpretation.
• Equipment malfunctions can lead to inaccurate results.

• Environmental factors such as weather conditions or nearby activities can affect testing.

• Data interpretation can be complex and require specialized knowledge.

• Pressure build-up in the well can also pose challenges during testing.
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