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RSPL Group
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I applied via Company Website and was interviewed in Feb 2021. There was 1 interview round.
AC and DC are two types of electrical current with different characteristics.
AC stands for alternating current, while DC stands for direct current.
AC periodically changes direction, while DC flows in one direction.
AC is used for power transmission over long distances, while DC is used for electronic devices.
AC can be easily converted to different voltages using transformers, while DC requires converters or inverters.
Ex...
Single-phase and three-phase supply differ in the number of power lines and voltage waveform.
Single-phase supply has one power line and a sinusoidal voltage waveform.
Three-phase supply has three power lines and a balanced sinusoidal voltage waveform.
Single-phase supply is commonly used in residential applications.
Three-phase supply is used in industrial and commercial applications.
Three-phase supply provides higher pow...
Kirchhoff's current law states that the total current entering a junction is equal to the total current leaving the junction.
The sum of all currents entering a junction is equal to the sum of all currents leaving the junction.
This law is based on the principle of conservation of charge.
It is used to analyze circuits and determine unknown currents.
For example, if a junction has three currents entering and two currents l...
The statement refers to Kirchhoff's Current Law which states that the sum of currents entering a node is equal to the sum of currents leaving the node.
Kirchhoff's Current Law is a fundamental law in electrical engineering
It is also known as Kirchhoff's First Law or KCL
The law applies to any node in an electrical circuit
The algebraic sum of currents entering the node is equal to the algebraic sum of currents leaving the...
Newton's third law states that for every action, there is an equal and opposite reaction.
Newton's third law is also known as the law of action and reaction.
It means that whenever an object exerts a force on another object, the second object exerts an equal and opposite force on the first object.
For example, if you push a wall, the wall pushes back with an equal amount of force.
This law is applicable to all types of for...
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I applied via LinkedIn and was interviewed in Oct 2023. There were 4 interview rounds.
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I applied via Walk-in and was interviewed in May 2024. There were 2 interview rounds.
Electrical engineering Moderate level questions.
Induction motors work by inducing a current in the rotor through electromagnetic induction.
Induction motors have a stator with coils that are connected to an AC power source.
When the AC power is applied, it creates a rotating magnetic field in the stator.
This rotating magnetic field induces a current in the rotor, causing it to rotate.
The rotor does not have any electrical connections and relies on induction to generat...
Types of starters used in electrical engineering for controlling the starting of motors.
Direct On-Line (DOL) starter
Star-Delta starter
Auto-transformer starter
Soft starter
Variable frequency drive (VFD) starter
I was interviewed before Feb 2024.
The subjects of study include Physics, Chemistry, and Mathematics.
posted on 19 Apr 2023
A motor is a device that converts electrical energy into mechanical energy. A transformer is a device that transfers electrical energy from one circuit to another through electromagnetic induction.
A motor is used to power machines and equipment by converting electrical energy into mechanical energy
Transformers are used to step up or step down voltage levels in electrical circuits
Motors and transformers both use electro...
Tube light circuit diagram consists of a ballast, starter, and fluorescent tube.
The ballast regulates the current flow through the tube.
The starter provides the initial high voltage to ionize the gas in the tube.
The fluorescent tube emits light when the gas inside is ionized by the electric current.
The circuit is completed by connecting the tube to the ballast and starter in series.
The circuit diagram can vary dependin
posted on 5 Sep 2022
I applied via Job Fair and was interviewed in Aug 2022. There were 3 interview rounds.
posted on 17 Mar 2022
I applied via Recruitment Consulltant and was interviewed before Mar 2021. There was 1 interview round.
A motor is a device that converts electrical energy into mechanical energy to produce motion.
Motors can be classified into different types such as AC motors and DC motors.
Common examples of motors include induction motors, synchronous motors, and brushed DC motors.
Motors are used in various applications such as industrial machinery, household appliances, and automotive systems.
I applied via campus placement at APC Roy Polytechnic, Kolkata and was interviewed before Sep 2021. There were 3 interview rounds.
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