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Oman Refinery Company Instrument Engineer Interview Questions and Answers

Updated 10 Dec 2019

6 Interview questions

An Instrument Engineer was asked
Q. How is a control valve calibrated?
Ans. 

A control valve is calibrated by adjusting its position to achieve the desired flow rate or pressure drop.

  • Determine the desired flow rate or pressure drop

  • Connect the valve to a calibration rig

  • Adjust the valve position until the desired flow rate or pressure drop is achieved

  • Record the valve position and corresponding flow rate or pressure drop

  • Repeat the process at different setpoints to create a calibration curve

An Instrument Engineer was asked
Q. Which control valves are you able to troubleshoot?
Ans. 

I can troubleshoot various control valves used in instrumentation engineering.

  • I can troubleshoot globe valves, butterfly valves, ball valves, and plug valves.

  • I am familiar with different types of actuators used in control valves such as pneumatic, hydraulic, and electric actuators.

  • I can diagnose and fix issues related to valve positioners, solenoid valves, and valve controllers.

  • I have experience troubleshooting co...

Instrument Engineer Interview Questions Asked at Other Companies

Q1. 1.General current and voltage working ranges of instruments. 2. T ... read more
Q2. What are transmitters, and what is the difference between 3-wire ... read more
Q3. Whate is digital input and digital output & analoge input and ... read more
Q4. Which fire and gas protection systems are you familiar with?
Q5. How you trouble shoot s7 PLC, Do you have designing knowledge
An Instrument Engineer was asked
Q. Why do we use MOVs?
Ans. 

MOV (Metal Oxide Varistor) is used as a voltage protection device in electrical circuits.

  • MOV is used to protect sensitive electronic devices from voltage surges or transients.

  • It acts as a voltage-dependent resistor, limiting the voltage across the circuit.

  • MOV absorbs excess voltage and diverts it away from the protected equipment.

  • It has a high resistance at normal operating voltage and low resistance during voltag...

An Instrument Engineer was asked
Q. Do you have experience with the Bently Nevada system?
Ans. 

Yes, I have experience in Bently Nevada system.

  • I have worked with Bently Nevada system for 3 years.

  • I am familiar with the various components and functionalities of the system.

  • I have successfully implemented Bently Nevada system in a project for monitoring and controlling industrial processes.

  • I have conducted troubleshooting and maintenance tasks on Bently Nevada system.

  • I have attended training sessions and worksho...

An Instrument Engineer was asked
Q. Which fire and gas protection systems are you familiar with?
Ans. 

The fire and gas protection system familiar to me is the Fire and Gas Detection System (FGDS).

  • FGDS is designed to detect and mitigate the risks of fire and gas hazards in industrial facilities.

  • It consists of various sensors, alarms, and control panels to monitor and respond to potential fire and gas incidents.

  • The system can detect smoke, heat, gas leaks, and other hazardous conditions.

  • Once a hazard is detected, th...

An Instrument Engineer was asked
Q. How you trouble shoot s7 PLC, Do you have designing knowledge
Ans. 

To troubleshoot S7 PLC, I use a combination of software and hardware tools. I also have designing knowledge.

  • I use Siemens TIA Portal software to monitor and diagnose the PLC

  • I check the hardware components such as power supply, communication modules, and I/O modules

  • I use a multimeter to check the voltage and current levels

  • I have knowledge of ladder logic programming and can identify errors in the code

  • I also have ex...

Oman Refinery Company Instrument Engineer Interview Experiences

1 interview found

I applied via Naukri.com and was interviewed in Jun 2019. There were 5 interview rounds.

Interview Questionnaire 

7 Questions

  • Q1. Why we use MOV.
  • Ans. 

    MOV (Metal Oxide Varistor) is used as a voltage protection device in electrical circuits.

    • MOV is used to protect sensitive electronic devices from voltage surges or transients.

    • It acts as a voltage-dependent resistor, limiting the voltage across the circuit.

    • MOV absorbs excess voltage and diverts it away from the protected equipment.

    • It has a high resistance at normal operating voltage and low resistance during voltage spi...

  • Answered by AI
  • Q2. How you trouble shoot s7 PLC, Do you have designing knowledge
  • Ans. 

    To troubleshoot S7 PLC, I use a combination of software and hardware tools. I also have designing knowledge.

    • I use Siemens TIA Portal software to monitor and diagnose the PLC

    • I check the hardware components such as power supply, communication modules, and I/O modules

    • I use a multimeter to check the voltage and current levels

    • I have knowledge of ladder logic programming and can identify errors in the code

    • I also have experie...

  • Answered by AI
  • Q3. Some times S7 PLC show battery error for this we change it's internal battery. Some times place losses communication with backplane in this case we refix it correctly.
  • Q4. How a control valve is calibrated
  • Ans. 

    A control valve is calibrated by adjusting its position to achieve the desired flow rate or pressure drop.

    • Determine the desired flow rate or pressure drop

    • Connect the valve to a calibration rig

    • Adjust the valve position until the desired flow rate or pressure drop is achieved

    • Record the valve position and corresponding flow rate or pressure drop

    • Repeat the process at different setpoints to create a calibration curve

  • Answered by AI
  • Q5. Which makes Control valves do you can troubleshoot
  • Ans. 

    I can troubleshoot various control valves used in instrumentation engineering.

    • I can troubleshoot globe valves, butterfly valves, ball valves, and plug valves.

    • I am familiar with different types of actuators used in control valves such as pneumatic, hydraulic, and electric actuators.

    • I can diagnose and fix issues related to valve positioners, solenoid valves, and valve controllers.

    • I have experience troubleshooting control...

  • Answered by AI
  • Q6. Do you have experience in Bently Newada system
  • Ans. 

    Yes, I have experience in Bently Nevada system.

    • I have worked with Bently Nevada system for 3 years.

    • I am familiar with the various components and functionalities of the system.

    • I have successfully implemented Bently Nevada system in a project for monitoring and controlling industrial processes.

    • I have conducted troubleshooting and maintenance tasks on Bently Nevada system.

    • I have attended training sessions and workshops to...

  • Answered by AI
  • Q7. Which fire and gas protection system is familiar for you
  • Ans. 

    The fire and gas protection system familiar to me is the Fire and Gas Detection System (FGDS).

    • FGDS is designed to detect and mitigate the risks of fire and gas hazards in industrial facilities.

    • It consists of various sensors, alarms, and control panels to monitor and respond to potential fire and gas incidents.

    • The system can detect smoke, heat, gas leaks, and other hazardous conditions.

    • Once a hazard is detected, the sys...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Please assure that all topics on your CV are well clear . Do not confuse your interviewer.
And correct with clear voice quality

Skills evaluated in this interview

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Interview Tips & Stories
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Can speak English, can’t deliver in interviews
I feel like I can't speak fluently during interviews. I do know english well and use it daily to communicate, but the moment I'm in an interview, I just get stuck. since it's not my first language, I struggle to express what I actually feel. I know the answer in my head, but I just can’t deliver it properly at that moment. Please guide me
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Interview questions from similar companies

I applied via Naukri.com

Interview Questionnaire 

2 Questions

  • Q1. Why Amazon?
  • Ans. 

    Amazon's innovation, customer focus, and diverse opportunities align with my career goals and values.

    • Customer Obsession: Amazon prioritizes customer satisfaction, evident in initiatives like Prime and personalized recommendations.

    • Innovation: The company is a leader in technology and logistics, constantly pushing boundaries with services like AWS and drone delivery.

    • Diversity of Roles: Amazon offers a wide range of caree...

  • Answered by AI
  • Q2. What do you expect from Amazon?
  • Ans. 

    I expect Amazon to foster innovation, provide growth opportunities, and maintain a customer-centric culture.

    • Opportunities for professional development, such as training programs and mentorship.

    • A collaborative work environment that encourages teamwork and idea sharing.

    • Access to cutting-edge technology and resources to drive innovation.

    • A strong focus on customer satisfaction, ensuring that every decision prioritizes the ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be open to anything, and keep your expectations low as your expectations might kill you. Just relax and take everything in a healthy way

Instrument Engineer Interview Questions Asked at Other Companies

Q1. 1.General current and voltage working ranges of instruments. 2. T ... read more
Q2. What are transmitters, and what is the difference between 3-wire ... read more
Q3. Whate is digital input and digital output & analoge input and ... read more
Q4. Which fire and gas protection systems are you familiar with?
Q5. How you trouble shoot s7 PLC, Do you have designing knowledge

Interview Questionnaire 

2 Questions

  • Q1. Technical
  • Q2. Be yourself

I applied via Naukri.com and was interviewed before Feb 2020. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. What are different types of cloud?
  • Q2. What is workflow,trigger, different types of reports, roles, profiles, permission set, sharing rules etc?
  • Ans. 

    Workflow, trigger, reports, roles, profiles, permission set, and sharing rules are all important features in Salesforce.

    • Workflow is a series of automated steps that can be used to streamline business processes.

    • Triggers are used to execute code before or after a record is inserted, updated, or deleted.

    • Reports are used to display data in a visual format, such as a table or chart.

    • Roles are used to define the hierarchy of ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Google the question related to your topic and also become 100% prepared with your resume.

Skills evaluated in this interview

I appeared for an interview before Jul 2020.

Interview Questionnaire 

1 Question

  • Q1. Is Infosys listed?
  • Ans. 

    Yes, Infosys is listed on the Indian stock exchanges as well as on the NYSE.

    • Infosys is listed on the Bombay Stock Exchange (BSE) and National Stock Exchange of India (NSE)

    • It is also listed on the New York Stock Exchange (NYSE)

    • Infosys has a market capitalization of over $80 billion as of 2021

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well in advance

I applied via Job Fair and was interviewed before Feb 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 
Round 2 - One-on-one 

(1 Question)

  • Q1. Basic accounting methods and journals

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident About what you are saying

I applied via Naukri.com and was interviewed in Nov 2019. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Why are you looking for the job change?
  • Ans. 

    I'm seeking new challenges and opportunities for growth that align with my career goals and aspirations.

    • Desire for professional growth: I'm looking to expand my skill set and take on more leadership responsibilities.

    • Seeking a better cultural fit: My current company has a different work culture than what I thrive in; I value collaboration and innovation.

    • Interest in new technologies: I'm excited about working with cuttin...

  • Answered by AI
  • Q2. Relevant technical questions, as per my current technology

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep it simple and be yourself. That's what the interviewers looked into. Also a thorough understanding of the technology is a must and that is what will help you in cracking the interview. You don't have to go in-depth, just the overview and what happens when is what they look for. Good communication skills is also an added incentive, something I always try to work on. All the best
Are these interview questions helpful?

I applied via Approached by Company and was interviewed before May 2018. There were 6 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. This is face to face interview... They are observing our behaviour... Attitude... Etc
  • Q2. Introduce u r self....
  • Ans. 

    I am a dedicated and hardworking individual with a passion for learning and growth.

    • I have a Bachelor's degree in Business Administration from XYZ University.

    • I have 3 years of experience working in marketing and sales roles.

    • I am proficient in Microsoft Office Suite and have strong communication skills.

    • I am a team player and enjoy collaborating with others to achieve common goals.

  • Answered by AI
  • Q3. U r carrier objections
  • Ans. 

    My career objectives focus on continuous growth, contributing to team success, and making a positive impact in my field.

    • Aim to develop expertise in my field, such as becoming a certified project manager.

    • Seek leadership opportunities to guide and mentor junior team members.

    • Aspire to work on innovative projects that challenge my skills and creativity.

    • Desire to contribute to a company's mission, like improving customer sa...

  • Answered by AI
  • Q4. About TCS
  • Q5. Why should u select TCS
  • Ans. 

    TCS is a global leader in IT services with a strong reputation for innovation and client satisfaction.

    • TCS has a proven track record of delivering high-quality services to clients worldwide.

    • TCS offers a wide range of opportunities for career growth and development.

    • TCS values diversity and inclusion, creating a supportive work environment for employees.

    • TCS invests in cutting-edge technologies and training programs to kee...

  • Answered by AI

Interview Preparation Tips

Round: Group Discussion
Experience: Any kind of topic u cn select... Sales, accounts, service

Round: Test
Experience: Aptitude test... Mathematic and problem solving... General knowledge is very important

Round: Telephonic
Experience: This is final round... BH directly interact with us...

General Tips: Be confident... Be clam.... Keep smiling face... That is the way to win
Skills: Communication, Body Language, Leadership, Presentation Skills, Time Management
Duration: <1 week

I applied via Company Website and was interviewed before Feb 2020. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. They asked about dbms questions in the form of table formate
  • Q2. They asked code for some python program

Interview Preparation Tips

Interview preparation tips for other job seekers - Firstly they conducted computer based technical exam and then after qualifying that then we will go for face face interview and then lastly HR round will be held.

I applied via Company Website and was interviewed before Jun 2020. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. GL related questions
  • Q2. Comfortable for night shifts
  • Ans. 

    Yes, I am comfortable with night shifts and have experience working during those hours.

    • I have worked night shifts in my previous job and have adapted to the schedule

    • I am a night owl and prefer working during those hours

    • I understand the importance of being alert and focused during night shifts

    • I am willing to adjust my sleep schedule to accommodate night shifts

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Learn about GL and accounting policies

Oman Refinery Company Interview FAQs

What are the top questions asked in Oman Refinery Company Instrument Engineer interview?

Some of the top questions asked at the Oman Refinery Company Instrument Engineer interview -

  1. Which fire and gas protection system is familiar for y...read more
  2. How you trouble shoot s7 PLC, Do you have designing knowle...read more
  3. Which makes Control valves do you can troublesh...read more

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