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I applied via Naukri.com and was interviewed in Mar 2024. There were 3 interview rounds.
Transformers, motors, generators, and electric generation are essential components in electrical systems.
Transformers are devices that transfer electrical energy between two or more circuits through electromagnetic induction.
Motors convert electrical energy into mechanical energy to drive machinery.
Generators convert mechanical energy into electrical energy.
Electric generation involves the process of producing electric...
DC motors are electric motors that operate using direct current (DC) power sources.
DC motors convert electrical energy into mechanical energy through the interaction of magnetic fields.
They are commonly used in appliances, power tools, and electric vehicles.
DC motors have two main types: brushed DC motors and brushless DC motors.
Brushed DC motors use brushes to conduct current, while brushless DC motors use electronic ...
Number System, coding and decoding, Analogies
Nodal analysis is a method used in electrical engineering to determine the voltage at each node in a circuit.
Nodal analysis involves writing Kirchhoff's Current Law equations for each node in a circuit.
It is used to analyze complex circuits with multiple nodes and voltage sources.
The goal of nodal analysis is to determine the voltage at each node relative to a reference point, usually ground.
It is a powerful tool for s...
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
Consists of two coils of wire, known as primary and secondary coils
Primary coil receives electrical energy and creates a magnetic field
Magnetic field induces a voltage in the secondary coil, transferring energy
Used to step up or step down voltage levels in power distribution systems
Commo...
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posted on 15 Jan 2025
I applied via AmbitionBox and was interviewed in Dec 2024. There were 5 interview rounds.
An overload relay works by monitoring the current flowing through a motor and tripping when the current exceeds a set limit.
Monitors the current flowing through a motor
Trips and interrupts power when current exceeds a set limit
Protects the motor from damage due to overloading
Can be reset manually after tripping
Insulation resistance is measured using a megohmmeter to apply a high voltage and measure the resistance of the insulation material.
Use a megohmmeter to apply a high voltage to the insulation material
Measure the resistance of the insulation material to determine its insulation resistance
Insulation resistance is typically measured in megaohms (MΩ)
Regular insulation resistance testing helps prevent electrical failures an
Electrical safety can be ensured by following proper procedures, using appropriate equipment, and staying vigilant.
Always use insulated tools when working on live circuits
Ensure circuits are de-energized before working on them
Wear appropriate personal protective equipment (PPE) such as gloves and goggles
Regularly inspect and maintain electrical equipment to prevent malfunctions
Follow safety guidelines and procedures ou
Preventive maintenance on a motor involves inspecting, cleaning, lubricating, and testing the motor to ensure optimal performance and prevent breakdowns.
Inspect the motor for any signs of wear or damage
Clean the motor and its components to remove dirt and debris
Lubricate moving parts to reduce friction and wear
Test the motor's performance using appropriate tools and equipment
Replace any worn out parts or components as
To succeed in an interview, it is important to prepare thoroughly, practice common interview questions, research the company, dress professionally, and demonstrate enthusiasm and confidence.
Thoroughly research the company and the position you are applying for
Practice common interview questions and prepare examples of your skills and experiences
Dress professionally and appropriately for the interview
Demonstrate enthusia...
A star-delta starter is used to reduce the starting current of a motor by initially connecting the motor windings in a star configuration and then switching to a delta configuration.
The motor windings are initially connected in a star configuration during starting to reduce the starting current.
After a certain period, the windings are switched to a delta configuration to achieve full speed and torque.
This transition fr...
Undervoltage faults occur when the voltage in a system drops below the normal operating level, leading to potential equipment damage or malfunction.
Undervoltage faults can be caused by issues such as power supply fluctuations, equipment failures, or overloaded circuits.
These faults can lead to equipment damage, reduced efficiency, or complete shutdown of systems.
Examples include a power surge causing a drop in voltage,...
Overvoltage faults are electrical faults that occur when the voltage in a circuit exceeds the normal operating range.
Overvoltage faults can damage electrical components and equipment.
They can be caused by lightning strikes, power surges, or faulty equipment.
Protective devices like surge protectors and voltage regulators can help prevent overvoltage faults.
Examples include a power surge from a lightning strike damaging ...
A thermal relay is used to protect electrical circuits from overloads by monitoring the temperature of the circuit and tripping when it exceeds a certain threshold.
Monitors the temperature of the electrical circuit
Trips and disconnects the circuit when temperature exceeds a set limit
Protects against overloads and overheating
Commonly used in motor protection applications
An RDOL starter is a type of reduced voltage starter used in electrical systems to reduce the starting current and torque of a motor.
RDOL stands for Reduced Direct Online starter.
It is used to start induction motors in a controlled manner.
RDOL starters reduce the voltage supplied to the motor during starting to limit the inrush current.
This helps in reducing mechanical stress on the motor and connected equipment.
Common...
posted on 28 Aug 2024
I was interviewed in Jul 2024.
Transformer is a static device is change is ac voltage one level and another level but no change in frequency the work in mutual induction method.
Sailent type rotor and cylinder type rotor of uses in syuchronus machine.
I applied via Company Website and was interviewed in Jun 2024. There were 2 interview rounds.
posted on 3 May 2024
I applied via Company Website and was interviewed in Apr 2024. There were 3 interview rounds.
I am electrical engineer working on it jamshedpur jharkhand steel strips wheel limited jamshedpur jharkhand
posted on 17 Oct 2024
I applied via Naukri.com and was interviewed in Apr 2024. There were 2 interview rounds.
As an Electrical Shift Engineer, my roles and responsibilities include ensuring the smooth operation of electrical systems, troubleshooting issues, conducting maintenance, and overseeing a team of technicians.
Ensure the smooth operation of electrical systems
Troubleshoot electrical issues
Conduct maintenance on electrical equipment
Oversee a team of technicians
Develop and implement maintenance procedures
Ensure compliance ...
I am a dedicated and experienced Electrical Shift Engineer with a strong background in troubleshooting and maintenance of electrical systems.
I have a Bachelor's degree in Electrical Engineering from XYZ University.
I have 5+ years of experience working in industrial settings, ensuring smooth operation of electrical equipment.
I am proficient in PLC programming and have successfully implemented automation solutions to imp...
I am a dedicated and experienced Electrical Shift Engineer with a strong background in troubleshooting and maintenance of electrical systems.
Bachelor's degree in Electrical Engineering
5+ years of experience in electrical maintenance and troubleshooting
Proficient in PLC programming and control systems
Skilled in reading and interpreting electrical schematics
Experience with preventive maintenance programs
Seeking new challenges and opportunities for growth in a dynamic work environment.
Looking for opportunities to expand my skill set
Seeking a more challenging role
Interested in working in a different industry or with new technologies
posted on 12 Apr 2023
I applied via AmbitionBox and was interviewed in Aug 2023. There were 3 interview rounds.
A 3 phase transformer is a type of transformer that is designed to handle three-phase power distribution systems.
Consists of three sets of primary and secondary windings
Used in power distribution systems to step up or step down voltage in three-phase circuits
Commonly used in industrial and commercial applications
Examples include distribution transformers, power transformers, and autotransformers
A 3 phase transformer is a type of transformer that is designed to handle three-phase power distribution systems.
Consists of three sets of primary and secondary windings
Used in power distribution systems to step up or step down voltage in three-phase circuits
Commonly used in industrial and commercial applications
Examples include distribution transformers, power transformers, and autotransformers
A 2 phase transformer is a type of transformer that has two primary and two secondary windings.
Consists of two primary windings and two secondary windings
Used in certain industrial applications where a 3 phase transformer is not feasible
Less common compared to single phase and 3 phase transformers
Kirchhoff's current law states that the total current entering a junction is equal to the total current leaving the junction.
Total current entering a junction = Total current leaving the junction
It is based on the principle of conservation of charge
Used to analyze and solve electrical circuits
A semiconductor is a material that has electrical conductivity between a conductor and an insulator.
Semiconductors have a conductivity between that of a conductor and an insulator
They are used in electronic devices such as transistors, diodes, and integrated circuits
Common semiconductor materials include silicon, germanium, and gallium arsenide
Ohm's Law states that the current flowing through a conductor is directly proportional to the voltage applied across it, and inversely proportional to the resistance of the conductor.
Current (I) = Voltage (V) / Resistance (R)
It helps in calculating the current flowing through a circuit based on the voltage and resistance values.
It is represented by the formula I = V/R.
Ohm's Law is fundamental in understanding and analy
I was interviewed in Jan 2024.
Power factor is the ratio of real power to apparent power in an AC circuit. VFD stands for Variable Frequency Drive. AC motors run on alternating current while DC motors run on direct current.
Power factor is a measure of how effectively electrical power is being used in a circuit.
It is calculated by dividing the real power (in watts) by the apparent power (in volt-amperes).
A power factor of 1 indicates that all the pow...
Types of load cells include strain gauge load cells, hydraulic load cells, and capacitive load cells.
Strain gauge load cells measure the strain or deformation of a material.
Hydraulic load cells use hydraulic fluid to measure force.
Capacitive load cells measure changes in capacitance to determine force.
Other types of load cells include piezoelectric load cells and pneumatic load cells.
I applied via campus placement at Sanjay Gandhi Polytechnic, Bellary and was interviewed in Sep 2023. There were 2 interview rounds.
posted on 30 Nov 2023
I applied via Naukri.com and was interviewed in May 2023. There was 1 interview round.
Different types of protection are used in a substation to ensure safety and reliability.
Overcurrent protection: Protects against excessive current flow.
Overvoltage protection: Safeguards against high voltage surges.
Differential protection: Detects faults by comparing currents entering and leaving the substation.
Distance protection: Protects transmission lines based on the distance to the fault.
Ground fault protection: ...
Different types of HT breakers are used in HT lines depending on the specific requirements.
Air Circuit Breaker (ACB) is commonly used in HT lines for its high breaking capacity and quick response time.
Vacuum Circuit Breaker (VCB) is another popular choice due to its compact size and low maintenance requirements.
SF6 Circuit Breaker is used for high voltage applications as it provides excellent arc quenching properties.
O...
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Assistant Manager
174
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| ₹4.5 L/yr - ₹11 L/yr |
Senior Engineer
89
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| ₹3.2 L/yr - ₹8 L/yr |
Engineer
82
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| ₹2.1 L/yr - ₹6.5 L/yr |
Electrical Engineer
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| ₹2.4 L/yr - ₹5 L/yr |
Service Engineer
57
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| ₹2.4 L/yr - ₹8.1 L/yr |
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