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Rallis India Instrument Engineer Interview Questions and Answers

Updated 14 Dec 2021

Rallis India Instrument Engineer Interview Experiences

1 interview found

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
  • 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

Interview Preparation Tips

Interview preparation tips for other job seekers - Clear your basic fundamentals and show your confidence.

Interview questions from similar companies

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.
Round 3 - Case Study 

Challanges in job, safety , risk and hazards

Round 4 - HR 

(1 Question)

  • Q1. Introduction, communication skills, presentation, salary discussion.

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare all I mentioned above, if you want to join aarti.
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
Round 3 - HR 

(1 Question)

  • Q1. Experience, Expected salary

Interview Preparation Tips

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

Interview Questionnaire 

5 Questions

  • Q1. Thermocouple
  • Q2. RTD
  • Q3. Control valve
  • Q4. Pressure switch
  • Q5. Transmitter
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
More than 8 weeks
Result
Selected Selected

I appeared for an interview before Mar 2024, where I was asked the following questions.

  • Q1. 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 quality ...

  • Answered by AI
  • Q2. 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 technol...

  • Answered by AI
  • Q3. How do you plan to guide your junior staff members?
  • Ans. 

    I plan to guide junior staff through mentorship, structured training, and fostering a collaborative environment for growth.

    • Establish a mentorship program where I pair junior engineers with experienced staff for hands-on learning.

    • Conduct regular training sessions on industry standards and best practices, such as safety protocols in instrumentation.

    • Encourage open communication by creating a safe space for juniors to ask ...

  • Answered by AI
  • Q4. 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, unloading can...

  • Answered by AI
  • Q5. 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 to k...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep your knowledge current in preparation for the upcoming interview.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Zero supression
  • Q2. Zero elevation

I applied via Naukri.com and was interviewed in Jan 2023. There were 3 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 

(1 Question)

  • Q1. Technical question on basic knowledge
Round 3 - HR 

(2 Questions)

  • Q1. Why are you join this company?
  • Q2. Salary package in previous company

I applied via Walk-in and was interviewed in Jun 2022. There were 2 interview rounds.

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 

(3 Questions)

  • Q1. Related Your Job Profile
  • Q2. Your Responsibility, Handling equipment, Operations ,Some Chemical Reactions
  • Q3. Safety Related Questions

Interview Preparation Tips

Topics to prepare for PI Industries Production Supervisor interview:
  • Operations
  • Safety
Interview preparation tips for other job seekers - It's Best Growing Company, Full Safety in Workplace and Process Safety.

I applied via Referral and was interviewed in Oct 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Job profile, safety

Interview Preparation Tips

Interview preparation tips for other job seekers - Positive attitude and self-confidence is enough

Rallis India Interview FAQs

What are the top questions asked in Rallis India Instrument Engineer interview?

Some of the top questions asked at the Rallis India Instrument Engineer interview -

  1. Difference between Star/Delta starter for mot...read more
  2. CV calculation of control Val...read more

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Rallis India Instrument Engineer Salary
based on 13 salaries
₹2.2 L/yr - ₹5.6 L/yr
55% less than the average Instrument Engineer Salary in India
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