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National Fertilizers Interview Questions and Answers

Updated 1 May 2025
Popular Designations

13 Interview questions

An Apprenticeship Trainee was asked 1mo ago
Q. Tell me something about a urea plant.
Ans. 

A urea plant produces urea, a key nitrogenous fertilizer, through the Haber-Bosch process and subsequent synthesis steps.

  • Feedstock: Urea production typically uses ammonia and carbon dioxide as primary feedstocks, derived from natural gas or other sources.

  • Haber-Bosch Process: This process synthesizes ammonia from nitrogen and hydrogen, which is a crucial step in urea production.

  • Synthesis Reaction: Ammonia reacts wi...

View all Apprenticeship Trainee interview questions
An Instrument Engineer was asked 3mo ago
Q. How can the plant be optimized for efficiency?
Ans. 

Optimizing plant efficiency involves enhancing processes, reducing waste, and leveraging technology for better performance.

  • Implement advanced process control systems to maintain optimal operating conditions.

  • Conduct regular maintenance and calibration of instruments to ensure accuracy and reliability.

  • Utilize data analytics to identify inefficiencies and areas for improvement.

  • Train staff on best practices and new te...

View all Instrument Engineer interview questions
An Instrument Engineer was asked 3mo ago
Q. What methods can be employed to enhance the efficiency of a plant?
Ans. 

Enhancing plant efficiency involves optimizing processes, reducing waste, and implementing advanced technologies.

  • Implement process automation to reduce manual intervention and increase precision.

  • Utilize predictive maintenance to minimize downtime and extend equipment life.

  • Adopt energy-efficient technologies, such as variable frequency drives (VFDs) for motors.

  • Optimize process control systems to improve product qua...

View all Instrument Engineer interview questions
A Diploma Chemical Engineer was asked
Q. Do you have experience working in an ammonia plant?
Ans. 

I have experience working in an ammonia plant, including knowledge of the production process and safety protocols.

  • Operated equipment for ammonia synthesis and purification

  • Monitored and controlled process parameters to ensure efficiency and safety

  • Performed routine maintenance and troubleshooting tasks

  • Followed strict safety protocols to prevent accidents

  • Collaborated with team members to optimize plant operations

View all Diploma Chemical Engineer interview questions
A Trainee Chemical Engineer was asked
Q. How do you control the formation of biuret in urea production?
Ans. 

Burrets in urea production can be controlled by optimizing the process parameters and using anti-burret agents.

  • Maintain proper temperature and pressure conditions in the reactor

  • Ensure uniform distribution of reactants and catalyst

  • Use anti-burret agents such as methanol or ammonia

  • Regularly clean the reactor to prevent buildup of impurities

  • Monitor the process closely to detect any deviations from the optimal conditi...

View all Trainee Chemical Engineer interview questions
A Trainee Chemical Engineer was asked
Q. What is surging and choking in pumps, and how can it be controlled?
Ans. 

Surging and choking are phenomena that occur in pumps. Surging is the unstable flow condition where the flow rate fluctuates, while choking is the condition where the flow is restricted.

  • Surging occurs when the flow rate through the pump exceeds the pump's capacity, causing the flow to become unstable.

  • Choking happens when the flow rate is restricted due to a blockage or narrowing in the pump or piping system.

  • Surgin...

View all Trainee Chemical Engineer interview questions
A Diploma Apprentice Trainee was asked
Q. How to crack an interview?
Ans. 

Prepare thoroughly, practice common questions, and present yourself confidently to crack any interview successfully.

  • Research the company: Understand its mission, values, and recent developments. For example, if applying to a tech firm, know their latest products.

  • Practice common interview questions: Prepare answers for questions like 'Tell me about yourself' or 'What are your strengths and weaknesses?'

  • Dress appropr...

View all Diploma Apprentice Trainee interview questions
Are these interview questions helpful?
An Instrument Engineer was asked 3mo ago
Q. Loading and unloading system of Compressor
Ans. 

Loading and unloading systems in compressors manage pressure and flow for efficient operation and safety.

  • Loading refers to the process of bringing the compressor up to its operational capacity.

  • Unloading is the process of reducing the compressor's load to prevent overpressure.

  • Common methods include variable speed drives and unloaders that adjust the intake valves.

  • For example, in a reciprocating compressor, unloadin...

View all Instrument Engineer interview questions
An Instrument Engineer was asked 3mo ago
Q. Steps for water Treatment Plant
Ans. 

Water treatment plants purify water through various processes to ensure safe drinking water.

  • 1. Screening: Removes large debris like leaves and plastic.

  • 2. Coagulation: Chemicals like alum are added to clump particles together.

  • 3. Sedimentation: Heavy particles settle at the bottom of the tank.

  • 4. Filtration: Water passes through sand and gravel to remove smaller particles.

  • 5. Disinfection: Chlorine or UV light is used...

View all Instrument Engineer interview questions
A Graduate Apprenticeship Trainee was asked
Q. Modes of heat transfer
Ans. 

Modes of heat transfer include conduction, convection, and radiation.

  • Conduction: Heat transfer through direct contact between particles or objects.

  • Convection: Heat transfer through the movement of fluids or gases.

  • Radiation: Heat transfer through electromagnetic waves.

  • Examples: Cooking on a stove (conduction), heating a room with a radiator (convection), feeling the warmth of the sun (radiation).

View all Graduate Apprenticeship Trainee interview questions

National Fertilizers Interview Experiences

24 interviews found

Interview Questionnaire 

5 Questions

  • Q1. Thermocouple
  • Q2. RTD
  • Q3. Control valve
  • Q4. Pressure switch
  • Q5. Transmitter
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I appeared for an interview in Nov 2024, where I was asked the following questions.

  • Q1. Tell somthing about urea plant
  • Ans. 

    A urea plant produces urea, a key nitrogenous fertilizer, through the Haber-Bosch process and subsequent synthesis steps.

    • Feedstock: Urea production typically uses ammonia and carbon dioxide as primary feedstocks, derived from natural gas or other sources.

    • Haber-Bosch Process: This process synthesizes ammonia from nitrogen and hydrogen, which is a crucial step in urea production.

    • Synthesis Reaction: Ammonia reacts with ca...

  • Answered by AI
  • Q2. Are you capable for this post
  • Ans. 

    I possess the skills and dedication necessary to excel as an Apprenticeship Trainee, eager to learn and contribute effectively.

    • Strong Willingness to Learn: I am committed to acquiring new skills and knowledge, as demonstrated by my participation in various workshops and online courses.

    • Adaptability: I have successfully adapted to new environments during my previous internships, quickly learning the tools and processes r...

  • Answered by AI
Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Jun 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all tips
Round 2 - Technical 

(3 Questions)

  • Q1. Electrical engineer HT LT PANEL maintenance
  • Q2. HT< maintenance job
  • Q3. It is a vcb breaker knowledge< PANEL MAINTENANCE JOB
Round 3 - Technical 

(3 Questions)

  • Q1. Electrical engineer HT PANEL & LT PANEL MAINTENANCE
  • Q2. HT PANEL & LT PANEL maintenance
  • Q3. HT LT PANEL MAINTENANCE

Interview Preparation Tips

Interview preparation tips for other job seekers - HT LT PANEL
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Do not use an unprofessional email address such as cool_boy@email.com. It shows a lack of professionalism by the candidate.
View all tips
Round 2 - Technical 

(4 Questions)

  • Q1. Tecnical has a activitysmanufacturw of machinery
  • Q2. Equipment and complete turnkey
  • Q3. Installations for the food
  • Ans. 

    Installations for the food industry involve setting up equipment and systems for food production, processing, and storage.

    • Installing industrial ovens, mixers, and refrigeration units

    • Setting up conveyor belts and packaging machinery

    • Implementing food safety protocols and regulations

    • Ensuring proper ventilation and waste disposal systems

    • Training staff on equipment operation and maintenance

  • Answered by AI
  • Q4. Industry for tecnical
  • Ans. 

    The technical industry encompasses a wide range of sectors that rely on specialized knowledge and skills to design, develop, and maintain various technologies.

    • Technical industry includes sectors such as IT, engineering, telecommunications, and manufacturing.

    • Professionals in the technical industry often work with complex systems, equipment, and software.

    • Continuous learning and staying up-to-date with advancements in tec...

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Jan 2024. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. What about Ammonia

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep have confidence .
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Ammonia plant experience
  • Ans. 

    I have experience working in an ammonia plant, including knowledge of the production process and safety protocols.

    • Operated equipment for ammonia synthesis and purification

    • Monitored and controlled process parameters to ensure efficiency and safety

    • Performed routine maintenance and troubleshooting tasks

    • Followed strict safety protocols to prevent accidents

    • Collaborated with team members to optimize plant operations

  • Answered by AI
  • Q2. Operate operation
Interview experience
1
Bad
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - HR 

(2 Questions)

  • Q1. Related to plant in production process
  • Q2. Ammonia plant or Urea plant

Interview Preparation Tips

Interview preparation tips for other job seekers - Yes
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. H.T PANAL,L.T Switch maintenance and transformer and cables I R value LT bus bar value all electrical instrument repair a maintenance street light maintenance circle fault maintenance
Round 3 - Technical 

(1 Question)

  • Q1. LT switch maintenance electrical transformer cable I r value circuit fault and street light maintenance

Interview Preparation Tips

Interview preparation tips for other job seekers - Only duty preference first
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed in Oct 2023. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Be truthful in your resume. It is very easy to catch false or lies during the interview by asking basic questions.
View all tips
Round 2 - HR 

(2 Questions)

  • Q1. Subject you studying Total credit of subject About company products and work
  • Q2. Why you are willing to be here?

Interview Preparation Tips

Interview preparation tips for other job seekers - Behave politely.
Answer what you know actually.
Don't lie.
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Jul 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Double-check your resume for any spelling mistakes. The recruiter may consider spelling mistakes as careless behavior or poor communication skills.
View all tips
Round 2 - Basic knowledge of chemicals 

(4 Questions)

  • Q1. Some basic questions about chemical
  • Q2. Modes of heat transfer
  • Ans. 

    Modes of heat transfer include conduction, convection, and radiation.

    • Conduction: Heat transfer through direct contact between particles or objects.

    • Convection: Heat transfer through the movement of fluids or gases.

    • Radiation: Heat transfer through electromagnetic waves.

    • Examples: Cooking on a stove (conduction), heating a room with a radiator (convection), feeling the warmth of the sun (radiation).

  • Answered by AI
  • Q3. Pumps and valves and fluid mechanics
  • Q4. Mass transfer operation
Round 3 - Technical 

(1 Question)

  • Q1. Some basic knowledge about chemical engineering

Interview Preparation Tips

Interview preparation tips for other job seekers - Nothing much... just do apply through MHRD and make sure to search NFL.after that uh a
Can apply for an apprentice program
Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Mar 2023. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. Technical questions in subject related
  • Q2. Technical questions in subject related and branch related

Top trending discussions

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Interview Tips & Stories
2w
toobluntforu
·
works at
Cvent
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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National Fertilizers Interview FAQs

How many rounds are there in National Fertilizers interview?
National Fertilizers interview process usually has 2-3 rounds. The most common rounds in the National Fertilizers interview process are Technical, Resume Shortlist and HR.
What are the top questions asked in National Fertilizers interview?

Some of the top questions asked at the National Fertilizers interview -

  1. What do you mean by surging and choking in pumps and how to control...read more
  2. What methods can be employed to enhance the efficiency of a pla...read more
  3. How do you control formation of burrets in urea producti...read more
How long is the National Fertilizers interview process?

The duration of National Fertilizers interview process can vary, but typically it takes about less than 2 weeks to complete.

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Overall Interview Experience Rating

4.1/5

based on 21 interview experiences

Difficulty level

Easy 25%
Moderate 58%
Hard 17%

Duration

Less than 2 weeks 55%
2-4 weeks 9%
4-6 weeks 18%
More than 8 weeks 18%
View more

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National Fertilizers Reviews and Ratings

based on 368 reviews

4.4/5

Rating in categories

4.1

Skill development

4.4

Work-life balance

4.0

Salary

4.6

Job security

4.2

Company culture

3.8

Promotions

4.2

Work satisfaction

Explore 368 Reviews and Ratings
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