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Event loop is a mechanism that allows a program to efficiently handle multiple events or tasks concurrently.
Event loop is commonly used in asynchronous programming to manage tasks that may take varying amounts of time to complete.
It continuously checks for events or tasks in a queue and executes them one by one.
Event loop helps prevent blocking of the main thread by allowing non-blocking execution of tasks.
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Event emitter is a pattern used to handle and respond to events in software development.
Event emitter is a design pattern commonly used in Node.js for handling events.
It allows objects to subscribe to events and be notified when those events occur.
Event emitter is often used for asynchronous programming and decoupling components.
Example: EventEmitter class in Node.js can be used to create custom events and handle them.
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I appeared for an interview in Mar 2025, where I was asked the following questions.
Power plants generate electricity using various energy sources, including fossil fuels, nuclear, and renewables.
Thermal Power Plants: Use fossil fuels like coal, oil, or natural gas (e.g., coal-fired plants).
Nuclear Power Plants: Generate electricity through nuclear fission (e.g., plants using uranium).
Hydroelectric Power Plants: Utilize flowing water to generate power (e.g., Hoover Dam).
Wind Power Plants: Harness wind...
A hybrid system combines different technologies or methodologies to leverage their strengths for improved performance and flexibility.
Hybrid systems can integrate both analog and digital components, such as in hybrid cars that use both electric and gasoline engines.
In computing, hybrid systems may refer to cloud computing models that combine public and private clouds for enhanced scalability and security.
In control sys...
Transformers are electrical devices that transfer energy between circuits through electromagnetic induction, with various types for different applications.
Step-up Transformer: Increases voltage, used in power transmission.
Step-down Transformer: Decreases voltage, used in power distribution.
Isolation Transformer: Provides electrical isolation, used in sensitive equipment.
Auto Transformer: Has a single winding, used for ...
I applied via Naukri.com and was interviewed in Nov 2022. There were 3 interview rounds.
The market salary for a civil engineer with 12 years of experience varies depending on location, company size, and specific skills.
Market salary can range from $80,000 to $150,000 per year
Factors such as location (urban vs rural), company size, and industry specialization can impact salary
Additional certifications or advanced degrees can also increase salary potential
One question paper of 10 questions.
I applied via Company Website and was interviewed in Oct 2021. There were 3 interview rounds.
It was good as well as challenging
I applied via Recruitment Consulltant and was interviewed in Mar 2022. There was 1 interview round.
Distribution voltage refers to the voltage level at which electricity is distributed from substations to consumers.
Distribution voltage typically ranges from 4 kV to 33 kV for residential and commercial areas.
Higher distribution voltages, such as 66 kV or 132 kV, are used for industrial areas or large consumers.
The choice of distribution voltage depends on factors like distance, load requirements, and cost.
Transformers...
I appeared for an interview before Jul 2024, where I was asked the following questions.
Gears are mechanical components that transmit motion and torque between machine parts, with various types serving different functions.
Spur Gears: Straight teeth, used in simple machines like clocks.
Helical Gears: Angled teeth for smoother operation, found in car transmissions.
Bevel Gears: Cone-shaped, used to change the axis of rotation, like in hand drills.
Worm Gears: Screw-like, provide high torque reduction, used in...
Pumps are mechanical devices used to move fluids, and they come in various types based on their design and application.
Centrifugal Pumps: Use rotational energy to move fluids; commonly used in water supply systems.
Positive Displacement Pumps: Move fluid by trapping a fixed amount and forcing it into the discharge; examples include gear pumps and diaphragm pumps.
Submersible Pumps: Designed to be submerged in fluid; ofte...
A fluid coupling transmits power between two shafts using hydraulic fluid, allowing for smooth acceleration and torque transfer.
Consists of two impellers and a housing filled with hydraulic fluid.
When the engine drives one impeller, it creates a flow of fluid that drives the second impeller.
Allows for smooth engagement and disengagement, reducing shock loads on the drivetrain.
Commonly used in automatic transmissions an...
Bearings are crucial components in machinery, with various types and potential failure modes impacting performance.
1. Ball Bearings: Commonly used in electric motors; potential failure due to wear, misalignment, or contamination.
2. Roller Bearings: Used in heavy machinery; can fail from excessive load, leading to brinelling or skidding.
3. Thrust Bearings: Support axial loads; failure can occur from inadequate lubricati...
I applied via Referral and was interviewed before Nov 2023. There were 2 interview rounds.
based on 1 interview experience
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