Olayan Descon Interview Questions, Process, and Tips

Q1. What is Ovality allowed in piping
Ans. 
Ovality allowed in piping refers to the maximum allowable deviation from a perfect circle shape in the pipe.
• Ovality is typically expressed as a percentage of the pipe's diameter.

• The standard ovality allowed in piping is usually around 1% to 3%.

• Excessive ovality can lead to issues such as leaks, pressure drops, and flow restrictions.

• Ovality can be measured using tools like calipers or laser measurement devices.
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Q2. How to manage the difference of welding quantity vs reporatable. How to control
Ans. 
Managing welding quantity discrepancies requires proper tracking, communication, and quality control measures.
• Implement a robust tracking system to monitor welding quantities and compare them to the reportable figures.

• Regularly communicate with the welding team to ensure accurate reporting of work done.

• Conduct quality control checks to verify the accuracy of welding quantities and address any discrepancies promptly.

• Uti...read more
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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?
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?
Ans. 
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. Process Design related questions
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Q1. Previous work experience
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Q1. General questions regarding personal opinion
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Q1. Are available for one year internship?
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Q1. Do you know how o use excel?
Ans. 
Yes, I know how to use Excel.
• I am proficient in using Excel for data analysis, creating spreadsheets, and generating charts and graphs.

• I have experience with functions and formulas in Excel, such as VLOOKUP, SUMIF, and IFERROR.

• I can use Excel to perform data manipulation tasks, such as sorting, filtering, and pivot tables.

• I am familiar with creating macros and automating tasks in Excel.

• I have used Excel for financial m...read more
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Q2. When can you resume?
Ans. 
I can resume immediately.
• I am available to start immediately.

• I can begin work as soon as possible.

• I am ready to start right away.
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Q1. Oil and gas,petrochemical
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Q2. Static and rotary ect
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Q3. Static and rotating ect,
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Q4. Permit ,sefty ,technical also
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Q1. Pump,compressor,turbine ,gear box also
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Q2. Heat exchanger,vessal ,fin fan ,column also
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Q1. How many years experience ?
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Q2. What is your salary expectations?
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Q3. How many days is required to join the Company?
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