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Aarti Industries DCS Operator Interview Questions, Process, and Tips

Updated 26 Jan 2025

Top Aarti Industries DCS Operator Interview Questions and Answers

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Aarti Industries DCS Operator Interview Experiences

7 interviews found

DCS Operator Interview Questions & Answers

user image Anonymous

posted on 17 Jan 2025

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(4 Questions)

  • Q1. What is DCS ???
  • Ans. 

    DCS stands for Distributed Control System, a computerized control system used to control and monitor industrial processes.

    • DCS is used in industries such as oil refining, power generation, and manufacturing.

    • It allows for centralized control of multiple control loops and process units.

    • DCS typically consists of controllers distributed throughout the plant, connected by a communication network.

    • Examples of DCS vendors inclu

  • Answered by AI
  • Q2. How DCS work ??
  • Ans. 

    DCS (Distributed Control System) is a system used to control and monitor industrial processes.

    • DCS uses multiple controllers distributed throughout a plant to control various processes

    • It allows for centralized monitoring and control of the entire system

    • DCS systems often use graphical interfaces for operators to interact with the system

    • DCS can be used in industries such as oil and gas, power generation, and manufacturing

  • Answered by AI
  • Q3. What is TLV of chlorine
  • Ans. 

    TLV of chlorine is the maximum concentration of chlorine that a worker can be exposed to without experiencing adverse health effects.

    • TLV stands for Threshold Limit Value

    • TLV for chlorine is 1 ppm (parts per million)

    • TLV is set by the American Conference of Governmental Industrial Hygienists (ACGIH)

    • Exposure to chlorine above TLV can cause respiratory irritation, coughing, and chest tightness

  • Answered by AI
  • Q4. What is distillation ?? Tell about reflux also
  • Ans. 

    Distillation is a process used to separate components of a liquid mixture based on their boiling points. Reflux is the return of condensed vapors back into the distillation system.

    • Distillation involves heating a liquid mixture to create vapor, then cooling the vapor to collect the separated components.

    • The components with lower boiling points vaporize first and are collected, while the components with higher boiling poi...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare knowledge DCS related

DCS Operator Interview Questions & Answers

user image mukesh prajapati

posted on 9 Feb 2024

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Jan 2024. There were 2 interview rounds.

Round 1 - Technical 

(3 Questions)

  • Q1. What is distillation column
  • Ans. 

    A distillation column is a piece of equipment used in chemical processes to separate mixtures into their individual components.

    • Distillation columns use the principle of vapor-liquid equilibrium to separate components based on their boiling points.

    • They consist of a vertical column with multiple trays or packing material to facilitate the separation process.

    • The feed mixture is introduced at the bottom of the column, and ...

  • Answered by AI
  • Q2. What is open Loop
  • Ans. 

    Open Loop is a control system where the output is not fed back to the input for correction or adjustment.

    • Open Loop control does not use feedback to make adjustments

    • It relies solely on the input and predefined control actions

    • Examples include automatic doors, traffic lights, and irrigation systems

  • Answered by AI
  • Q3. What is Reaction
  • Ans. 

    Reaction is the response or behavior triggered by a stimulus or event.

    • Reaction is a response to a stimulus or event.

    • It can be physical, emotional, or cognitive.

    • Reactions can vary in intensity and duration.

    • Examples include flinching when touched by something hot, feeling happy after receiving good news, or thinking critically when faced with a problem.

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. Open Loop and close loop
  • Q2. Types of heat exchanger
  • Ans. 

    Heat exchangers are devices used to transfer heat between two or more fluids.

    • Shell and tube heat exchanger

    • Plate heat exchanger

    • Double pipe heat exchanger

    • Finned tube heat exchanger

    • Regenerative heat exchanger

  • Answered by AI

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Q4. How to clear the chute if it is clogged?
Q5. In which plant you work ?

DCS Operator Interview Questions & Answers

user image Anonymous

posted on 25 Feb 2023

Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Jan 2023. 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 Resume tips
Round 2 - Technical 

(3 Questions)

  • Q1. DCS related question and technical
  • Q2. DCS and technical related
  • Q3. Plant related, Dcs related

Interview Preparation Tips

Interview preparation tips for other job seekers - DCS related question and technical questions and other questions

DCS Operator Interview Questions & Answers

user image rohit yadav

posted on 3 Jul 2023

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

I applied via Walk-in and was interviewed in Jan 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 Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. About Dcs and close loops , open loops , cascade loops
  • Q2. What is cascade loops
  • Ans. 

    Cascade loops are a series of control loops where the output of one loop is used as the setpoint for the next loop.

    • Cascade loops improve control performance by reducing the effect of disturbances.

    • They are commonly used in industrial processes where multiple variables need to be controlled.

    • An example is a cascade control system in a chemical plant where the flow rate of a reactant is controlled based on the level in a t

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. Why did you want to leave current company

Skills evaluated in this interview

Aarti Industries interview questions for designations

 DCS-Supervisor

 (1)

 Operator

 (2)

 Plant Operator

 (3)

 Production Operator

 (2)

 Senior Operator

 (1)

 Utility Operator

 (1)

 Water Treatment Plant Operator

 (1)

 Telephone Operator

 (1)

DCS Operator Interview Questions & Answers

user image Anonymous

posted on 19 Aug 2024

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
6-8 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Aug 2023. There was 1 interview round.

Round 1 - Technical 

(5 Questions)

  • Q1. Heat exchanger distillation pump
  • Q2. Types of reactors
  • Ans. 

    Types of reactors include batch reactors, continuous stirred tank reactors, plug flow reactors, and fluidized bed reactors.

    • Batch reactors operate in a closed system with a fixed amount of reactants.

    • Continuous stirred tank reactors have continuous flow of reactants and products.

    • Plug flow reactors have a continuous flow with no mixing of reactants along the length of the reactor.

    • Fluidized bed reactors use a fluid to susp...

  • Answered by AI
  • Q3. What is Distributed control system
  • Ans. 

    A Distributed Control System (DCS) is a computerized control system used to control and monitor industrial processes.

    • Consists of multiple control elements distributed throughout a system

    • Allows for centralized control and monitoring of processes

    • Used in industries such as oil and gas, power generation, and manufacturing

    • Examples include Honeywell Experion PKS, Emerson DeltaV, and Siemens PCS 7

  • Answered by AI
  • Q4. Types of control valves
  • Ans. 

    Control valves are used to regulate the flow of fluids in a process system by varying the size of the flow passage.

    • Globe valves: used for throttling and control of flow

    • Butterfly valves: used for on/off control of flow

    • Ball valves: used for quick shut-off

    • Diaphragm valves: used for precise control of flow

  • Answered by AI
  • Q5. Types of Alarms
  • Ans. 

    Types of alarms in a DCS system include process alarms, equipment alarms, safety alarms, and communication alarms.

    • Process alarms indicate issues with the process being controlled by the DCS system

    • Equipment alarms alert to malfunctions or failures of equipment connected to the DCS system

    • Safety alarms warn of potentially dangerous situations that require immediate attention

    • Communication alarms signal problems with the co

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Plant monitoring savely and DCS control

Get interview-ready with Top Aarti Industries Interview Questions

DCS Operator Interview Questions & Answers

user image Anonymous

posted on 26 Jan 2025

Interview experience
4
Good
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed before Jan 2024.

Round 1 - Coding Test 

Effluent management & chemicals question

Round 2 - HR 

(1 Question)

  • Q1. Document and family background
Round 3 - HR 

(1 Question)

  • Q1. Salary discussions

DCS Operator Interview Questions & Answers

user image Anonymous

posted on 4 Mar 2022

I applied via Company Website and was interviewed in Feb 2022. 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 Resume tips
Round 2 - HR 

(6 Questions)

  • Q1. Tell me about yourself.
  • Ans. 

    I am a highly skilled and experienced DCS Operator with a strong background in industrial automation.

    • I have been working in the field for over 10 years.

    • I am proficient in operating and troubleshooting various Distributed Control Systems (DCS).

    • I have a deep understanding of process control and instrumentation.

    • I am familiar with industry standards and safety protocols.

    • I have successfully implemented process improvements ...

  • Answered by AI
  • Q2. I ma Manjit Singh Parihar
  • Q3. Where are you your company
  • Q4. I am currently working
  • Q5. Vapi Gujarat di methyl sulfate handling
  • Q6. Iam currently working dms plant

Interview Preparation Tips

Interview preparation tips for other job seekers - I am DCS opretor and plc opretor

Interview questions from similar companies

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

I applied via Walk-in and was interviewed in Nov 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 Resume tips
Round 2 - Technical 

(3 Questions)

  • Q1. Plant processing related questions
  • Q2. Work experience
  • Q3. Safety Quality 5S maintain in our organisation
  • Ans. 

    Safety Quality 5S is maintained in our organization through regular audits, training, and employee involvement.

    • Regular audits are conducted to ensure compliance with safety standards and identify areas for improvement.

    • Training programs are provided to educate employees on safety protocols and best practices.

    • Employee involvement is encouraged through suggestions for improvement and participation in safety committees.

    • Exa...

  • Answered by AI
Round 3 - One-on-one 

(2 Questions)

  • Q1. My job profile related
  • Q2. My work experience

Interview Preparation Tips

Topics to prepare for Pidilite Industries DCS Operator interview:
  • Related for work
Interview preparation tips for other job seekers - I work very honestly because my work is my identity
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in May 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. What is dcs operation in chemical plant?
  • Ans. 

    DCS operation in a chemical plant involves monitoring and controlling various processes through a centralized control system.

    • DCS stands for Distributed Control System

    • Operators use DCS to monitor and control processes such as temperature, pressure, flow rates, and levels

    • DCS helps in optimizing plant operations, improving efficiency, and ensuring safety

    • Examples of DCS systems used in chemical plants include Honeywell Exp

  • Answered by AI
  • Q2. How Endpoint communicate with DCS?
  • Ans. 

    Endpoints communicate with DCS through protocols like OPC, Modbus, Ethernet/IP, etc.

    • Endpoints send data to DCS using communication protocols like OPC (OLE for Process Control), Modbus, Ethernet/IP, etc.

    • DCS receives data from endpoints and sends control commands back using the same communication protocols.

    • Endpoints can be sensors, actuators, PLCs, HMIs, etc., connected to the DCS network.

    • Communication can be wired or wi

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
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 Resume tips
Round 2 - Technical 

(3 Questions)

  • Q1. What is NPSH cavition primary?
  • Ans. 

    NPSH cavitation primary is the minimum pressure required to prevent cavitation in a pump.

    • NPSH stands for Net Positive Suction Head.

    • Cavitation is the formation of vapor bubbles in a liquid due to low pressure.

    • NPSH cavitation primary is the minimum pressure required to prevent the formation of vapor bubbles in a pump.

    • It is important to maintain NPSH cavitation primary to prevent damage to the pump and ensure efficient op...

  • Answered by AI
  • Q2. What is interlock. ?
  • Ans. 

    Interlock is a safety mechanism that prevents two or more actions from occurring simultaneously.

    • Interlock ensures that a process or machine cannot be operated until certain conditions are met.

    • It is used to prevent accidents and damage to equipment.

    • Examples of interlocks include safety switches, emergency stop buttons, and lockout/tagout procedures.

    • Interlocks are commonly used in industrial settings, such as manufacturi...

  • Answered by AI
  • Q3. What is lmtd ?
  • Ans. 

    LMTD stands for Logarithmic Mean Temperature Difference.

    • LMTD is a measure of the temperature difference between two fluids in a heat exchanger.

    • It is calculated using the logarithmic average of the temperature difference between the hot and cold fluids.

    • LMTD is used to determine the heat transfer rate in a heat exchanger.

    • It is an important parameter in the design and operation of heat exchangers.

    • For example, in a shell a...

  • Answered by AI
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Aarti Industries Interview FAQs

How many rounds are there in Aarti Industries DCS Operator interview?
Aarti Industries interview process usually has 2 rounds. The most common rounds in the Aarti Industries interview process are Technical, HR and Resume Shortlist.
What are the top questions asked in Aarti Industries DCS Operator interview?

Some of the top questions asked at the Aarti Industries DCS Operator interview -

  1. What is distillation ?? Tell about reflux al...read more
  2. What is Distributed control sys...read more
  3. What is cascade lo...read more

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Aarti Industries DCS Operator Interview Process

based on 7 interviews

2 Interview rounds

  • Resume Shortlist Round
  • Technical Round
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Aarti Industries DCS Operator Salary
based on 59 salaries
₹2 L/yr - ₹4.8 L/yr
53% less than the average DCS Operator Salary in India
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Aarti Industries DCS Operator Reviews and Ratings

based on 12 reviews

3.6/5

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4.0

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3.9

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3.0

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3.9

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3.6

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2.8

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3.8

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