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I applied via campus placement at Majhighariani Institute of Technology and Science, Rayagada and was interviewed in Dec 2023. There were 2 interview rounds.
It contains totally 45 min, having questions of 21 technical questions and 20 aptitude questions
posted on 17 Oct 2023
I applied via Company Website and was interviewed before Oct 2022. There were 3 interview rounds.
It's easy if you practice well
I applied via Naukri.com and was interviewed in Mar 2024. There were 3 interview rounds.
Transformers, motors, generators, and electric generation are essential components in electrical systems.
Transformers are devices that transfer electrical energy between two or more circuits through electromagnetic induction.
Motors convert electrical energy into mechanical energy to drive machinery.
Generators convert mechanical energy into electrical energy.
Electric generation involves the process of producing electric...
DC motors are electric motors that operate using direct current (DC) power sources.
DC motors convert electrical energy into mechanical energy through the interaction of magnetic fields.
They are commonly used in appliances, power tools, and electric vehicles.
DC motors have two main types: brushed DC motors and brushless DC motors.
Brushed DC motors use brushes to conduct current, while brushless DC motors use electronic ...
Number System, coding and decoding, Analogies
Nodal analysis is a method used in electrical engineering to determine the voltage at each node in a circuit.
Nodal analysis involves writing Kirchhoff's Current Law equations for each node in a circuit.
It is used to analyze complex circuits with multiple nodes and voltage sources.
The goal of nodal analysis is to determine the voltage at each node relative to a reference point, usually ground.
It is a powerful tool for s...
A transformer is an electrical 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
Primary coil receives electrical energy and creates a magnetic field
Magnetic field induces a voltage in the secondary coil, transferring energy
Used to step up or step down voltage levels in power distribution systems
Commo...
posted on 15 Mar 2024
posted on 30 Nov 2023
I applied via Naukri.com and was interviewed in May 2023. There was 1 interview round.
Different types of protection are used in a substation to ensure safety and reliability.
Overcurrent protection: Protects against excessive current flow.
Overvoltage protection: Safeguards against high voltage surges.
Differential protection: Detects faults by comparing currents entering and leaving the substation.
Distance protection: Protects transmission lines based on the distance to the fault.
Ground fault protection: ...
Different types of HT breakers are used in HT lines depending on the specific requirements.
Air Circuit Breaker (ACB) is commonly used in HT lines for its high breaking capacity and quick response time.
Vacuum Circuit Breaker (VCB) is another popular choice due to its compact size and low maintenance requirements.
SF6 Circuit Breaker is used for high voltage applications as it provides excellent arc quenching properties.
O...
posted on 18 Jul 2021
I applied via Campus Placement and was interviewed in Jun 2021. There were 3 interview rounds.
posted on 20 Apr 2021
I applied via Naukri.com and was interviewed in Mar 2021. There was 1 interview round.
posted on 24 Dec 2022
I applied via Walk-in and was interviewed before Dec 2021. There were 2 interview rounds.
posted on 3 May 2022
I applied via Campus Placement and was interviewed before May 2021. There was 1 interview round.
PLC stands for Programmable Logic Controller. It is an industrial computer used to automate processes and control machinery.
PLCs are used in manufacturing, transportation, and energy industries
They are programmed using ladder logic or other programming languages
PLCs can monitor inputs from sensors and control outputs to actuators
They are designed to be rugged and reliable in harsh industrial environments
Backless is a term used in electrical engineering to describe a device or equipment that does not have a back or rear panel.
Backless devices are typically designed for easy access and maintenance.
They may have open or exposed components on the back side.
Examples of backless devices include open-frame power supplies and certain types of circuit boards.
Backless equipment may require additional safety precautions due to t...
posted on 13 Jun 2024
I applied via Recruitment Consulltant and was interviewed in Dec 2023. There was 1 interview round.
Improving power factor helps in reducing energy losses, increasing system efficiency, and reducing electricity costs.
Improving power factor reduces the amount of reactive power flowing in the system, which in turn reduces energy losses.
Higher power factor means more efficient use of electricity and less strain on the electrical system.
Improving power factor can lead to reduced electricity costs for consumers and utilit...
Buccholz relay is a protective device used in oil-filled transformers to detect faults such as internal arcing or overheating.
Buccholz relay is installed in the oil pipe connecting the transformer tank and conservator tank.
It works based on the principle that gas is generated when a fault occurs in the transformer, causing oil level to drop and gas to accumulate in the relay.
The relay consists of two float switches - o...
DP in Siemens communication stands for Distributed Peripherals.
DP is a communication protocol used by Siemens for connecting distributed peripherals to a central control system.
It allows for real-time data exchange between the peripherals and the control system.
DP is commonly used in industrial automation applications.
Examples of DP communication modules include DP/DP couplers and DP slaves.
To communicate S7 PLC and ABB drive using Profibus, you need to configure the Profibus network, set up the communication parameters, and establish the communication link.
Configure the Profibus network by setting the correct baud rate, address, and other network parameters.
Set up the communication parameters on both the S7 PLC and ABB drive to ensure they are compatible with each other.
Establish the communication link b...
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