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Ester Industries
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Reasoning Questions.
I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.
IGBT stands for Insulated Gate Bipolar Transistor. It is a power semiconductor device used for switching and amplifying electrical signals.
IGBT combines the advantages of both MOSFET and bipolar junction transistor.
It is commonly used in applications such as motor drives, power supplies, and renewable energy systems.
IGBTs have high voltage and current handling capabilities.
They can switch on and off rapidly, allowing f...
Motor drive is a system that controls the speed and direction of a motor by varying the voltage and current supplied to it.
Motor drive uses electronic components to control the power supplied to a motor.
It typically consists of a power supply, a controller, and a motor.
The controller adjusts the voltage and current to control the motor's speed and direction.
Motor drives can be found in various applications such as elec...
I applied via Walk-in and was interviewed before Sep 2022. There were 2 interview rounds.
Ester Industries interview questions for popular designations
I applied via Recruitment Consultant and was interviewed in Aug 2021. There were 3 interview rounds.
The reaction after Estrification was positive.
The team was pleased with the results.
The project was successful.
There was a sense of accomplishment among team members.
Polymerization reaction consists of initiation, propagation, and termination steps.
Initiation step involves the formation of free radicals or ions that start the reaction.
Propagation step involves the growth of the polymer chain by the addition of monomers.
Termination step involves the end of the reaction, either by the consumption of all monomers or by the combination of two polymer chains.
Polymerization reactions can...
I'm sorry, but I need the actual question to provide an answer.
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I applied via Recruitment Consultant
I was interviewed in Jan 2022.
10 pass
Top trending discussions
posted on 6 Feb 2025
REFINERY and petrochemical company operation
posted on 6 Dec 2024
I applied via Recruitment Consulltant and was interviewed in Nov 2024. There were 3 interview rounds.
posted on 31 Jul 2024
I applied via Campus Placement and was interviewed in Jul 2024. There were 2 interview rounds.
MCQ round on OOPS (java) , JS, C#, SQL(dbms)
Use self join in a DBMS query to find the employeeid of the manager whose employee name is 'something'.
Use a self join on the table to compare employee and manager names
Order the results by employeeid in descending order to get the second highest employee
Select the manager's employeeid where the employee name is 'something'
based on 12 interviews
Interview experience
based on 155 reviews
Rating in categories
Senior Team Member
48
salaries
| ₹5 L/yr - ₹15.3 L/yr |
Team Member
45
salaries
| ₹2.4 L/yr - ₹9.2 L/yr |
Assistant Manager
22
salaries
| ₹6.5 L/yr - ₹15 L/yr |
Diploma Trainee Engineer
17
salaries
| ₹1.5 L/yr - ₹1.9 L/yr |
Shift Engineer
16
salaries
| ₹1.8 L/yr - ₹5 L/yr |
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