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I applied via Walk-in and was interviewed in Oct 2021. There was 1 interview round.
I applied via Naukri.com and was interviewed in May 2021. There was 1 interview round.
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I applied via Naukri.com and was interviewed in Jun 2022. There was 1 interview round.
The losses in transformers include copper losses and iron losses.
Copper losses occur due to the resistance of the transformer windings.
Iron losses, also known as core losses, occur due to hysteresis and eddy currents in the transformer core.
Copper losses can be reduced by using larger conductor sizes or improving the cooling system.
Iron losses can be minimized by using high-quality magnetic materials and optimizing the...
There are several types of substations, including transmission, distribution, collector, and switching substations.
Transmission substations are used to step up or down voltage for long-distance transmission.
Distribution substations are used to distribute power to local areas.
Collector substations are used to collect power from renewable energy sources.
Switching substations are used to switch power between different tra...
There are two types of substations - indoor and outdoor substations.
Indoor substations are located inside buildings or structures.
Outdoor substations are located outside and are exposed to the elements.
Indoor substations are typically smaller and require less maintenance.
Outdoor substations are larger and require more maintenance due to exposure to weather conditions.
Both types of substations play a crucial role in the
The motors used in fans are typically single-phase induction motors.
Fans typically use single-phase induction motors.
These motors are designed to operate on a single-phase AC power supply.
They are commonly used in ceiling fans, table fans, and pedestal fans.
The motor rotates the fan blades, creating airflow and cooling effect.
Some fans may also use brushless DC motors for improved energy efficiency.
posted on 6 May 2022
posted on 27 Dec 2024
I applied via Campus Placement
Polymorphism is the ability of a single function or method to operate on different types of data.
Polymorphism allows objects of different classes to be treated as objects of a common superclass.
There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).
Example: Inheritance in object-oriented programming languages like Java allows for polymorphism.
Example: Function overloading
A 3-bit up/down counter can be designed using flip-flops and logic gates.
Use 3 D flip-flops to store the count value.
Connect the Q output of each flip-flop to the D input of the next flip-flop.
Use logic gates to control the direction of counting (up or down).
posted on 1 May 2024
I applied via Campus Placement and was interviewed in Apr 2024. There were 2 interview rounds.
Technical questions (be prepared)
A transformer is a 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
Works on the principle of electromagnetic induction
Used to step up or step down voltage levels in electrical circuits
Commonly used in power distribution systems
Transformer protection refers to the measures taken to prevent damage to transformers from faults or abnormal operating conditions.
Transformer protection devices include overcurrent relays, differential relays, and Buchholz relays.
Overcurrent relays protect against overloads and short circuits.
Differential relays compare the current entering and leaving the transformer to detect internal faults.
Buchholz relays detect g...
Electrical engineers work on a wide range of products including consumer electronics, power systems, communication devices, and more.
Consumer electronics such as smartphones, laptops, and TVs
Power systems including generators, transformers, and distribution systems
Communication devices like routers, modems, and cell phones
I applied via Naukri.com and was interviewed before Jan 2023. There were 4 interview rounds.
Over all plant related
I applied via Naukri.com and was interviewed in Jan 2021. There was 1 interview round.
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