i
Oriental Carbon & Chemicals
Filter interviews by
I applied via Recruitment Consultant and was interviewed in Dec 2021. There were 3 interview rounds.
Vector group of transformers is used to determine the phase difference and voltage ratio between primary and secondary windings.
Vector group helps in determining the correct connection of transformers in parallel.
It helps in identifying the phase angle difference between primary and secondary windings.
It helps in determining the voltage ratio between primary and secondary windings.
Vector group is important for power sy...
IR value is a measure of insulation resistance in transformers and motors.
IR value indicates the condition of insulation in transformers and motors.
It is measured in megaohms (MΩ) using a megger.
A high IR value indicates good insulation while a low value indicates poor insulation.
Regular testing of IR value is important to prevent breakdowns and ensure safety.
For example, a transformer with an IR value of less than 1 M...
Switchgear selection for a 75 kW motor depends on various factors such as voltage, current, starting method, and protection requirements.
Consider the voltage and current rating of the motor
Choose the appropriate starting method such as DOL, star-delta, soft starter, or VFD
Select the switchgear with suitable protection features such as overload, short circuit, and earth fault protection
Ensure compatibility with the exis...
Designing a 100 KVR capacitor for 415 volts.
Calculate the required capacitance using the formula C = I / (2 * pi * f * V)
Select a suitable type of capacitor based on the application and voltage rating
Ensure proper installation and maintenance to prevent failure or damage
Consider safety precautions when working with high voltage capacitors
I was interviewed in Jun 2022.
I applied via Company Website and was interviewed before Jul 2022. There were 3 interview rounds.
Oriental Carbon & Chemicals interview questions for popular designations
I was interviewed in Oct 2021.
I applied via Naukri.com and was interviewed in Apr 2021. There was 1 interview round.
posted on 25 Jun 2021
Top trending discussions
Some of the top questions asked at the Oriental Carbon & Chemicals interview -
based on 11 interviews
Interview experience
based on 192 reviews
Rating in categories
Assistant Manager
36
salaries
| ₹6.8 L/yr - ₹12.2 L/yr |
Plant Operator
36
salaries
| ₹3 L/yr - ₹5.5 L/yr |
Executive
27
salaries
| ₹6 L/yr - ₹9.6 L/yr |
Officer
26
salaries
| ₹5 L/yr - ₹8.1 L/yr |
Executive Production
21
salaries
| ₹5.6 L/yr - ₹9.5 L/yr |
PCBL Chemical Limited
Aditya Birla Chemicals
Gujarat Fluorochemicals
Himadri Speciality Chemical