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I applied via Recruitment Consulltant and was interviewed before Jan 2024. There was 1 interview round.
Online interview and shared my experience.
posted on 24 Aug 2023
I applied via Naukri.com and was interviewed in Jul 2023. There were 4 interview rounds.
Electrical department all Technical questions and General averness questions in MCQ type
Types of transformers include power transformers, distribution transformers, instrument transformers. Types of electrical drives include AC drives, DC drives, servo drives.
Power transformers are used in high voltage transmission and distribution systems.
Distribution transformers are used to step down voltage for use in homes and businesses.
Instrument transformers are used for measuring voltage and current in power syst...
I applied via Referral and was interviewed before Sep 2023. There were 4 interview rounds.
Conduct Theoretical Test.
Practical Test and group dissertation with electrical
Current is the flow of electric charge, measured in Amperes, while voltage is the force that drives the current, measured in Volts.
Current is the rate of flow of electric charge in a circuit
Voltage is the electrical potential difference that drives the current
Current is measured in Amperes (A)
Voltage is measured in Volts (V)
Ohm's Law states that V = I * R, where V is voltage, I is current, and R is resistance
Types of motors include AC motors, DC motors, synchronous motors, asynchronous motors, stepper motors, and servo motors.
AC motors: Alternating current motors commonly used in household appliances and industrial applications.
DC motors: Direct current motors used in applications where speed control is important.
Synchronous motors: Maintain a constant speed and are used in applications like clocks and timers.
Asynchronous ...
AC and DC are two types of electrical current with different characteristics and applications.
AC stands for alternating current, which periodically changes direction and magnitude.
DC stands for direct current, which flows in one direction at a constant voltage.
AC is commonly used in household appliances and power distribution systems.
DC is often used in electronics, such as batteries and computer power supplies.
Solar field presentation
Single phase and three phase are two types of electrical power distribution systems.
Single phase has one live conductor and one neutral conductor, while three phase has three live conductors and one neutral conductor.
Single phase is commonly used in residential and small commercial applications, while three phase is used in industrial and large commercial applications.
Single phase power supply is suitable for low power...
R, Y, B phases are the three phases of AC power supply. They differ in their phase angle and voltage level.
R phase has a phase angle of 0 degrees and is usually connected to the red wire.
Y phase has a phase angle of 120 degrees and is usually connected to the yellow wire.
B phase has a phase angle of 240 degrees and is usually connected to the blue wire.
The voltage level of each phase is the same, but they are out of ph...
In series, voltage adds up while current remains the same. In parallel, voltage remains the same while current adds up.
In series, batteries are connected end-to-end, positive to negative. In parallel, batteries are connected positive to positive and negative to negative.
Series connection increases voltage but does not increase current. Parallel connection increases current but does not increase voltage.
Series connectio...
Periodic maintenance of batteries is crucial for their longevity and optimal performance.
Check the battery terminals for corrosion and clean them if necessary
Inspect the battery case for any cracks or damage
Ensure that the battery is securely fastened in place
Check the electrolyte level and top up with distilled water if required
Test the battery voltage and recharge if necessary
A faulty battery can be identified by checking its voltage, capacity, and physical appearance.
Check the voltage of the battery using a multimeter
Test the capacity of the battery using a battery tester
Inspect the physical appearance of the battery for any signs of damage or leakage
Check the battery terminals for corrosion or loose connections
Compare the battery's performance to its specifications
FUSE, MCB, ELCB, and RCCB are all electrical protection devices, but they differ in their functions and applications.
FUSE is a simple device that protects electrical circuits from overloading or short-circuiting by melting and breaking the circuit.
MCB (Miniature Circuit Breaker) is an automatic switch that trips and cuts off the power supply when there is an overload or short-circuit.
ELCB (Earth Leakage Circuit Breaker...
A DOL starter is a direct online motor starter that provides full voltage to the motor.
Consists of a contactor, overload relay, and start/stop buttons
The contactor connects the motor to the power supply
The overload relay protects the motor from overloading
The start/stop buttons control the on/off function of the motor
Used for small motors with low starting current
Not suitable for large motors or motors with high starti
posted on 27 May 2024
I applied via Naukri.com and was interviewed before May 2023. There were 2 interview rounds.
A slip ring is an electrical component used to transfer power and electrical signals from a stationary to a rotating structure.
Allows for continuous rotation without tangling wires
Commonly used in electromechanical systems like motors, generators, and wind turbines
Consists of stationary brushes and rotating conductive rings
Helps in transmitting power, data, and signals across rotating interfaces
Unit slip is the difference between synchronous speed and rotor speed in an induction motor.
Unit slip is expressed as a fraction or percentage.
It is used to calculate the rotor speed of an induction motor.
Unit slip is necessary for determining the torque and efficiency of the motor.
For example, if the synchronous speed of a motor is 1800 RPM and the rotor speed is 1750 RPM, the unit slip would be 0.0278 or 2.78%.
posted on 25 Jan 2025
I appeared for an interview in Dec 2024.
posted on 22 Dec 2024
I applied via Approached by Company and was interviewed in Nov 2024. There were 2 interview rounds.
12 th & Electricale Engineer Diploma
posted on 17 Feb 2025
Three-phase voltage is a type of electrical power transmission that utilizes three alternating currents.
Three-phase voltage consists of three alternating currents that are 120 degrees out of phase with each other.
It is commonly used in industrial and commercial applications for its efficiency and power distribution capabilities.
The voltage levels for three-phase systems can vary depending on the application, with commo...
The process for entering single-phase voltage involves connecting the voltage source to the load through a single conductor.
Connect the single-phase voltage source to the load through a single conductor
Ensure proper insulation and grounding for safety
Check the voltage level using a multimeter before connecting the load
Make sure the load is compatible with the voltage rating
I applied via Company Website and was interviewed before Aug 2020. There were 3 interview rounds.
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