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I applied via Approached by Company and was interviewed in Apr 2023. There were 2 interview rounds.
VFD is a device used to control the speed of an electric motor. LV panels are used to distribute power to various loads.
VFD works by adjusting the frequency of the power supplied to the motor, which in turn controls its speed.
LV panels are designed to distribute power to various loads in a safe and efficient manner.
Design of LV panels involves selecting appropriate components such as circuit breakers, fuses, and contac...
Various standards are used in electrical design depending on the country, industry, and application.
National Electrical Code (NEC) is used in the United States
International Electrotechnical Commission (IEC) standards are used globally
In the automotive industry, ISO 26262 is used for functional safety
In the aerospace industry, DO-254 is used for airborne electronic hardware
Standards are also specific to certain applicat...
I applied via LinkedIn and was interviewed in Mar 2022. There were 3 interview rounds.
We are using IEC 61439 standard for designing the panels and selecting switchgear.
IEC 61439 is the international standard for low-voltage switchgear and controlgear assemblies
It provides guidelines for the design, manufacture, and testing of switchgear and controlgear assemblies
The standard ensures safety, reliability, and performance of the switchgear and controlgear assemblies
IEC 61439 is widely recognized and accept...
Explanation of design calculations for selecting busbar size, switchgear, type-2 coordination, and discrimination study.
Busbar size selection based on current carrying capacity and voltage drop
Switchgear selection based on fault level and load current
Type-2 coordination ensures proper operation of protective devices during a fault
Discrimination study ensures that only the faulty section of the system is isolated during...
Control logic of electrical panel involves designing and implementing the logic for controlling various electrical components.
Designing the logic for controlling electrical components such as motors, pumps, and valves
Implementing the control logic using programmable logic controllers (PLCs) or other control systems
Testing and troubleshooting the control logic to ensure proper operation
Documenting the control logic for ...
VFDs control the speed of AC motors by varying the frequency and voltage of the power supplied to the motor.
VFD stands for Variable Frequency Drive
Basic components include rectifier, DC bus, inverter, and control system
Parameters include frequency, voltage, current, and acceleration/deceleration time
VFDs can improve energy efficiency and reduce wear and tear on motors
Example: VFDs are commonly used in HVAC systems to c
A soft starter panel is an electrical device used to control the starting current of an electric motor.
It reduces the mechanical stress on the motor during startup.
It gradually increases the voltage supplied to the motor.
It can be used to control the speed of the motor.
It is commonly used in applications where a large amount of power is required to start the motor.
Examples include pumps, compressors, and conveyor belts
We use various software depending on the type of electrical component being tested.
We use simulation software like LTSpice and PSpice for circuit analysis.
For testing microcontrollers, we use software like Keil and MPLAB.
For power system analysis, we use software like ETAP and PowerWorld.
We also use software like LabVIEW and MATLAB for data acquisition and analysis.
2 wire and 4 wire communication are methods used for transmitting data or signals between devices.
2 wire communication uses a single pair of wires for both transmitting and receiving data.
4 wire communication uses two pairs of wires, one for transmitting and one for receiving data.
2 wire communication is commonly used in simple applications like telephone lines.
4 wire communication is used in more complex applications ...
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I applied via Job Portal and was interviewed before Jul 2021. There were 3 interview rounds.
To configure and verify custom DNS in Azure AD, follow these steps:
Create a DNS zone in Azure DNS
Add a custom domain to Azure AD
Create a CNAME record in the DNS zone that points to the Azure AD domain
Verify the custom domain in Azure AD
Update the DNS registrar to use the Azure DNS name servers
Test the custom DNS by accessing Azure AD resources using the custom domain
Azure AD supports various authentication types for secure access to resources.
Azure AD supports password-based authentication, multi-factor authentication, certificate-based authentication, and federated authentication.
It also supports OAuth 2.0 and OpenID Connect for secure authentication and authorization.
Examples of supported protocols include SAML, WS-Federation, and OAuth 2.0/OpenID Connect.
Azure AD also supports ...
I applied via Naukri.com and was interviewed in Nov 2020. There were 5 interview rounds.
I applied via Recruitment Consultant and was interviewed in Mar 2021. There were 3 interview rounds.
C is a general-purpose programming language known for its efficiency and low-level memory manipulation capabilities.
C was developed by Dennis Ritchie at Bell Labs in 1972.
It is widely used for system programming, embedded systems, and developing operating systems.
C is a compiled language and is known for its speed and efficiency.
It has influenced many other programming languages, including C++, Java, and Python.
Some po...
I applied via Campus Placement and was interviewed before Mar 2022. There were 3 interview rounds.
We should be clear on logics, syntax can be ignored but logics should be very clear
I applied via Approached by Company and was interviewed before Dec 2021. There were 3 interview rounds.
n-tier architecture is a software design pattern that divides an application into logical layers.
It separates presentation, application processing, and data management functions.
Each layer can be developed and maintained independently.
Examples include 3-tier and 4-tier architectures.
It improves scalability, maintainability, and flexibility of the application.
I applied via Job Fair and was interviewed before May 2021. There were 2 interview rounds.
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