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I applied via Referral and was interviewed before Apr 2022. There were 3 interview rounds.
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posted on 11 Mar 2022
I applied via Approached by Company and was interviewed before Mar 2021. There were 2 interview rounds.
CB operation and use refers to the operation and use of circuit breakers in electrical systems.
CBs are used to protect electrical systems from overloads and short circuits.
They work by interrupting the flow of current when a fault is detected.
CBs can be manually or automatically operated.
They come in different types, such as air, oil, vacuum, and SF6 CBs.
CBs are commonly used in residential, commercial, and industrial
posted on 18 Feb 2021
I applied via Company Website and was interviewed before Feb 2020. There were 5 interview rounds.
posted on 29 Oct 2023
There are four types of DG (Diesel Generator) checks: daily, weekly, monthly, and annual.
Daily check involves inspecting fuel levels, oil levels, coolant levels, and battery condition.
Weekly check includes checking for any leaks, testing the battery, and verifying the operation of safety features.
Monthly check involves cleaning the air filter, checking the exhaust system, and testing the automatic transfer switch.
Annua...
There are many types of sensors used in electrical systems, including temperature sensors, pressure sensors, proximity sensors, etc.
Temperature sensors
Pressure sensors
Proximity sensors
Motion sensors
Light sensors
posted on 26 Oct 2023
I appeared for an interview before Oct 2022.
AC and DC both have their own challenges, but AC is generally considered more difficult due to its changing voltage and frequency.
AC involves constantly changing voltage and frequency, which can be more challenging to work with compared to the steady flow of DC.
AC circuits require additional components like capacitors and inductors to manage voltage and current fluctuations.
DC circuits are simpler to understand and tro...
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
posted on 19 May 2022
I applied via Approached by Company and was interviewed in Apr 2022. There were 2 interview rounds.
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
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...
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%.
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