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National Fertilizers

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4.3

based on 340 Reviews

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National Fertilizers Diploma Apprentice Trainee Interview Questions and Answers

Updated 30 Dec 2020

Interview questions from similar companies

Diploma Apprentice Trainee Interview Questions & Answers

UPL user image Anonymous

posted on 17 Aug 2021

I applied via Walk-in and was interviewed in Jul 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. All personal questions in your qualification
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - 3 round checking your documents and eligibility round 2 system knowledge general enquiries

Graduate Apprentice Trainee Interview Questions & Answers

PI Industries user image Anonymous

posted on 26 Mar 2020

I applied via Walk-in and was interviewed before Mar 2019. There were 3 interview rounds.

Interview Questionnaire 

6 Questions

  • Q1. Laws of thermodynamics.
  • Ans. 

    Laws governing energy and its transformations in physical systems.

    • First law: Energy cannot be created or destroyed, only transferred or converted.

    • Second law: Entropy of a closed system always increases over time.

    • Third law: Absolute zero cannot be reached.

    • Applications in engineering, physics, and chemistry.

    • Examples: heat engines, refrigeration, combustion, chemical reactions.

    • Answered by AI
    Add your answer
  • Q2. Principle of steam ejectors.
  • Ans. 

    Steam ejectors are devices that use steam to create a vacuum by entraining and compressing gases or vapors.

    • Steam ejectors work by using a high-pressure steam jet to create a low-pressure zone, which draws in gases or vapors from the surrounding area.

    • The entrained gases or vapors are then compressed and discharged through a diffuser, which increases their velocity and reduces their pressure.

    • Steam ejectors are commonly u...

    • Answered by AI
    Add your answer
  • Q3. Working of heat pump.
  • Ans. 

    Heat pump is a device that transfers heat from a lower temperature to a higher temperature.

    • Heat pump works on the principle of refrigeration cycle.

    • It consists of four main components: evaporator, compressor, condenser, and expansion valve.

    • The refrigerant absorbs heat from the low-temperature source (air, water, or ground) in the evaporator and gets converted into a gas.

    • The compressor then compresses the gas, which incr...

    • Answered by AI
    Add your answer
  • Q4. What is grinding ?
  • Ans. 

    Grinding is a process of removing material from a workpiece using an abrasive wheel or belt.

    • Grinding is used to achieve high dimensional accuracy and surface finish.

    • It is commonly used in manufacturing industries for finishing operations.

    • Different types of grinding machines are used for different applications such as cylindrical, surface, and centerless grinding.

    • Grinding can be done manually or with the help of compute...

    • Answered by AI
    Add your answer
  • Q5. Describe your final year project.
    • Add your answer
  • Q6. Proficiency about Auto cad.
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Require engineering basic knowledge in your field.

Graduate Apprentice Trainee Interview Questions & Answers

Aarti Industries user image Anonymous

posted on 17 Jan 2022

I applied via Referral and was interviewed before Jan 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. About the process used in industries.
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - The interview was good .

Instrument Engineer Interview Questions & Answers

Aarti Industries user image

posted on 26 Feb 2023

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
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 - Technical 

(1 Question)

  • Q1. DCS, Plc, Transmitter, Related
    • Add your answer
Round 3 - HR 

(1 Question)

  • Q1. Experience, Expected salary
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Good for starting candidate, Good for learning, supportive team

Instrument Engineer Interview Questions & Answers

Aarti Industries user image Anonymous

posted on 14 May 2023

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
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 - Technical 

(2 Questions)

  • Q1. Fundamentals of instrumentation with practical knowledge
    • Add your answer
  • Q2. All flow meter accuracy
  • Ans. 

    Flow meter accuracy depends on various factors such as type of flow meter, fluid properties, and installation conditions.

    • The type of flow meter used affects its accuracy. For example, a differential pressure flow meter may have an accuracy of +/- 0.5% of the flow rate, while a magnetic flow meter may have an accuracy of +/- 0.25%.

    • Fluid properties such as viscosity, density, and conductivity can also affect flow meter a...

    • Answered by AI
    Add your answer

Graduate Apprentice Trainee Interview Questions & Answers

Aarti Industries user image

posted on 3 Jul 2022

Round 1 - Technical 

(1 Question)

  • Q1. Endothemic exothermic reaction, catalytic non catalytic reactions
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Do just basic of engineering subject like heat transfer mass transfer process calculations

Instrument Engineer Interview Questions & Answers

Aarti Industries user image substantialnomad

posted on 28 Feb 2023

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed before Feb 2022. There were 4 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 - Technical 

(1 Question)

  • Q1. Technical standards, hazards zone, field Instrumentation, DCS.
    • Add your answer
Round 3 - Case Study 

Challanges in job, safety , risk and hazards

Round 4 - HR 

(1 Question)

  • Q1. Introduction, communication skills, presentation, salary discussion.
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare all I mentioned above, if you want to join aarti.

Graduate Apprentice Trainee Interview Questions & Answers

UPL user image Anonymous

posted on 14 Dec 2022

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
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 

(3 Questions)

  • Q1. What you know about upl?
  • Ans. 

    UPL is a global leader in sustainable agriculture solutions, providing innovative and customized solutions to farmers.

    • UPL stands for United Phosphorus Limited

    • It is a multinational company with a presence in over 130 countries

    • UPL offers a wide range of crop protection and seed treatment products

    • The company is committed to sustainable agriculture and has initiatives like 'OpenAg' to promote innovation in farming

    • UPL has a...

    • Answered by AI
    Add your answer
  • Q2. Tell me about Family background ?
    • Add your answer
  • Q3. Your weakness and strengths ?
    • Add your answer
Round 3 - Technical 

(3 Questions)

  • Q1. What are types of pump and their characteristics curves of pumps?
  • Ans. 

    Types of pumps include centrifugal, positive displacement, and axial flow pumps. Each has a unique characteristic curve.

    • Centrifugal pumps are commonly used in industrial applications and have a steep characteristic curve.

    • Positive displacement pumps are used for high viscosity fluids and have a nearly constant flow rate.

    • Axial flow pumps are used for low head, high flow rate applications and have a flat characteristic cu...

    • Answered by AI
    Add your answer
  • Q2. What is distillation and types, Mccabe theile method?
  • Ans. 

    Distillation is a process of separating components of a mixture based on their boiling points. McCabe Thiele method is a graphical method used for designing distillation columns.

    • Distillation is used in various industries such as petroleum, chemical, and food processing.

    • There are two main types of distillation: batch distillation and continuous distillation.

    • McCabe Thiele method is used to determine the number of theoret...

    • Answered by AI
    Add your answer
  • Q3. Heat load calculations?
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Face interview with confidence and if you don't know the answer, just don't lie.

Instrument Engineer Interview Questions & Answers

Rallis India user image Anonymous

posted on 6 Dec 2021

I applied via Company Website and was interviewed in Jun 2021. There were 4 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Difference between Star/Delta starter for motor?
  • Ans. 

    Star/Delta starter is used to reduce the starting current of a motor.

    • Star connection provides high starting torque but high starting current

    • Delta connection provides low starting torque but low starting current

    • Star/Delta starter uses both connections to reduce starting current and provide sufficient starting torque

    • Used for large motors to prevent damage to motor and electrical system

    • Answered by AI
    Add your answer
  • Q2. CV calculation of control Valve?
  • Ans. 

    CV calculation of control valve involves determining the valve's flow coefficient.

    • CV is calculated using the formula: CV = Q / (SG * sqrt(dP))

    • Q is the flow rate, SG is the specific gravity of the fluid, and dP is the pressure drop across the valve.

    • CV is used to select the appropriate valve size for a given application.

    • Factors such as valve type, trim size, and pressure drop affect the CV value.

    • CV calculation is importa...

    • Answered by AI
    Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Clear your basic fundamentals and show your confidence.
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National Fertilizers Diploma Apprentice Trainee Salary
based on 6 salaries
₹1 L/yr - ₹2 L/yr
28% less than the average Diploma Apprentice Trainee Salary in India
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National Fertilizers Diploma Apprentice Trainee Reviews and Ratings

based on 2 reviews

3.9/5

Rating in categories

4.4

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3.9

Work-life balance

3.3

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2.7

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2.7

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2.7

Promotions

3.9

Work satisfaction

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