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I applied via Referral and was interviewed before May 2023. There was 1 interview round.
Slip ring motor has external connections for rotor winding while 3 phase induction motor has a squirrel cage rotor.
Slip ring motor has external connections for rotor winding, allowing for external control of rotor circuit.
3 phase induction motor has a squirrel cage rotor, which is simpler and more rugged.
Slip ring motor is used in applications where variable speed control is required, such as cranes and hoists.
3 phase ...
I applied via Walk-in and was interviewed in Jun 2021. There was 1 interview round.
The thyristor value from gate to cathode in an induction furnace depends on the specific design and requirements of the furnace.
The thyristor value is determined by the voltage and current ratings required for the induction furnace.
It is important to select a thyristor with appropriate voltage and current handling capabilities to ensure reliable operation.
The thyristor value may vary depending on the power rating and f...
Over current in furnace is mainly caused by short circuits or overload.
Short circuits
Overload
Faulty wiring
Malfunctioning equipment
Transformers used in furnaces are mainly of two types - power transformers and isolation transformers.
Power transformers are used to step down the high voltage power supply to a lower voltage suitable for the furnace.
Isolation transformers are used to isolate the furnace from the power supply to prevent electrical interference.
Other types of transformers used in furnaces include control transformers and potential trans...
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I applied via Naukri.com and was interviewed in Nov 2023. There were 2 interview rounds.
Arc furnaces typically use three-phase transformers, slop ring induction motors are used in cranes for better control, safety guards protect against hazards, and motor plate specifications include important details about the motor.
Arc furnaces typically use three-phase transformers for power supply and voltage regulation.
Slop ring induction motors are used in cranes for better control over speed and torque.
Safety guard...
I applied via Referral and was interviewed in Mar 2022. There was 1 interview round.
The full load current of a 1250 kVA, 11 kV transformer can be calculated using the formula: Full Load Current (A) = kVA / (1.732 x kV)
The full load current is the current drawn by the transformer when it is operating at its maximum rated power.
The formula for calculating full load current is: Full Load Current (A) = kVA / (1.732 x kV)
In this case, the kVA is 1250 and the kV is 11, so the full load current can be calcul...
posted on 31 Jul 2023
I applied via Indeed
Numerical,verbal, logical questions
Body language, polite, communicate effectively and eye contact
posted on 14 Dec 2024
I applied via Company Website and was interviewed before Dec 2023. There was 1 interview round.
AC drives in steel industries control the speed and torque of motors, improving efficiency and reducing energy consumption.
AC drives regulate the speed and torque of motors used in various processes in steel industries.
They help in achieving precise control over the production process, leading to improved efficiency.
AC drives also help in reducing energy consumption and operational costs in steel plants.
Examples of app...
ABB DCS is a distributed control system used in industrial automation, with various cards and servers for operation.
ABB DCS stands for ABB Distributed Control System, used in industries for automation.
The system consists of various cards for different functions such as input/output, communication, etc.
Servers are used to host the software and manage the communication between different components of the system.
Example: ...
posted on 29 Nov 2022
I applied via Walk-in and was interviewed in May 2022. There was 1 interview round.
The capacity of a furnace refers to its heating output, typically measured in BTUs or tons.
Furnace capacity is determined by the amount of heat it can produce.
It is usually measured in BTUs (British Thermal Units) or tons.
Higher capacity furnaces can produce more heat and are suitable for larger spaces.
For example, a furnace with a capacity of 80,000 BTUs can heat a larger area compared to one with a capacity of 40,000
Drive components in CCM department are the parts that enable the motor to function properly.
Drive components include motors, gears, belts, and pulleys.
They work together to transfer power from the motor to the machine.
The components must be properly sized and aligned to ensure efficient operation.
Examples of machines that use drive components include conveyor belts, pumps, and fans.
posted on 6 Jul 2017
I was interviewed before Jul 2016.
posted on 14 Sep 2022
I applied via Approached by Company and was interviewed before Sep 2021. There was 1 interview round.
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