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I applied via Campus Placement and was interviewed in Jan 2022. There were 3 interview rounds.
Test is basically check your problem solving ability and check verbal ability
And also check technical and
Logical knowledge
Electrical energy is the energy carried by moving electrons in an electric conductor.
Electrical energy is a form of energy that results from the movement of charged particles.
It is measured in joules (J) or kilowatt-hours (kWh).
Examples of electrical energy include lightning, batteries, and power plants.
It can be converted into other forms of energy, such as mechanical energy or heat energy.
Electrical energy is essenti...
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posted on 19 Jul 2017
posted on 5 May 2019
SLD stands for Single Line Diagram which is a graphical representation of an electrical system.
SLD shows the electrical components and their interconnections in a simplified manner.
Components include transformers, generators, circuit breakers, switches, etc.
It also shows the ratings, voltage levels, and protective devices used in the system.
SLD is used for design, operation, and maintenance of electrical systems.
It hel...
posted on 1 Feb 2024
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
Transformers are used to increase or decrease the voltage in electrical power transmission and distribution systems.
They consist of two or more coils of wire, known as windings, which are wound around a core made of magnetic material.
The primary winding receives electrical energy from th...
posted on 31 Jul 2021
I applied via Walk-in and was interviewed in Jul 2021. There was 1 interview round.
posted on 6 Jan 2023
I was interviewed in Jul 2022.
IEC standards are guidelines for electrical installations to ensure safety and efficiency.
IEC 60364 is the main standard for electrical installations in buildings
IEC 60079 provides guidelines for electrical installations in hazardous areas
IEC 61892 provides guidelines for electrical installations on offshore structures
IEC 61439 provides guidelines for low-voltage switchgear and control gear assemblies
Adherence to IEC s...
posted on 24 Apr 2022
I applied via Naukri.com and was interviewed in Mar 2022. There were 2 interview rounds.
Vibration Analyzer
Used to detect and diagnose machinery faults by measuring vibration levels
Helps in identifying the root cause of the problem and preventing breakdowns
Examples: SKF Microlog, Emerson CSI 2140, Fluke 810
posted on 25 Oct 2024
I applied via Campus Placement and was interviewed in Sep 2024. There was 1 interview round.
Induction motor operates on the principle of electromagnetic induction, while synchronous motor operates at a constant speed determined by the frequency of the power supply.
Induction motor does not require any external excitation to run, while synchronous motor requires a separate DC power source for excitation.
Induction motor has a slightly lower efficiency compared to synchronous motor.
Synchronous motor is used in ap...
Transformer parts include core, windings, and insulation. It is used to step up or step down voltage in electrical systems.
Transformer parts: core, windings, insulation
Core: provides magnetic path for flux
Windings: primary and secondary coils
Insulation: prevents short circuits
Used to step up or step down voltage in electrical systems
posted on 8 Jul 2024
Apitude round was conducted
Losses in transformer refer to energy losses that occur during the conversion of electrical energy from one voltage level to another.
There are two main types of losses in transformers: copper losses and iron losses.
Copper losses occur due to the resistance of the copper windings and are also known as I^2R losses.
Iron losses, also known as core losses, occur due to hysteresis and eddy current losses in the transformer c...
Power factor is the ratio of real power to apparent power in an electrical system, indicating the efficiency of power usage.
Power factor is important for measuring the efficiency of electrical systems.
A high power factor indicates efficient power usage, while a low power factor indicates wastage.
Improving power factor can reduce electricity costs and increase system capacity.
Power factor correction devices like capacit...
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