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Reactive power loss in transformer can be calculated using the formula Q = V^2/X, where V is the voltage and X is the reactance.
Reactive power loss occurs due to the magnetic field in the transformer
It is important to calculate reactive power loss to ensure efficient operation of the transformer
Reactance can be calculated using the formula X = 2πfL, where f is the frequency and L is the inductance
Reactive power loss ca...
Over current protection is for excessive current flow, while earth fault protection is for current leakage to earth.
Over current protection is used to protect against excessive current flow in a circuit.
Earth fault protection is used to detect current leakage to earth.
Over current protection is typically achieved using fuses or circuit breakers.
Earth fault protection is typically achieved using residual current devices...
Single phase loading of three phase transformer
Single phase loads can be connected to one or two phases of a three phase transformer
The third phase remains idle and no current flows through it
The transformer's capacity is reduced when single phase loads are connected
The transformer's efficiency may also be affected
Examples include residential and small commercial buildings with single phase loads
Duty cycle of SF6 circuit breaker refers to the ratio of time it can be operated to the total time period.
Duty cycle is expressed as a percentage
It is important to ensure that the breaker is not operated beyond its duty cycle
For example, if the duty cycle is 50%, the breaker can be operated for 30 minutes in an hour
Exceeding the duty cycle can cause damage to the breaker and reduce its lifespan
Explanation of fast bus transfer logic and 2/3 logic in bus system. Logic diagrams for auto reclosing in switch yard.
Fast bus transfer logic is used to quickly transfer power from one bus to another in case of a fault or maintenance.
2/3 logic in bus system refers to the use of two out of three sources to power a bus, ensuring redundancy and reliability.
Auto reclosing in switch yard is a mechanism to automatically resto...
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I applied via Naukri.com and was interviewed in May 2021. There were 4 interview rounds.
I applied via Walk-in and was interviewed in Jun 2021. There were 3 interview rounds.
I applied via Campus Placement and was interviewed in Jun 2021. There were 5 interview rounds.
Concrete technology is the study of the properties and behavior of concrete, including its composition, production, and application.
Concrete is a composite material made up of cement, water, aggregates, and often other additives.
It is widely used in construction for its strength, durability, and versatility.
Concrete technology involves understanding the chemical reactions and physical properties of concrete.
It includes...
Experienced Senior Engineer with a strong background in software development, project management, and team leadership.
Over 10 years of experience in software engineering, specializing in full-stack development.
Led a team of 5 engineers in a successful project that improved system performance by 30%.
Proficient in multiple programming languages including Java, Python, and JavaScript.
Implemented Agile methodologies, resul...
My favorite subject is computer science.
I enjoy studying algorithms and data structures.
I find programming languages fascinating and love exploring their features.
I am passionate about software development and enjoy solving complex problems.
I am interested in artificial intelligence and machine learning.
I enjoy learning about computer networks and cybersecurity.
I applied via Approached by Company and was interviewed in Mar 2023. There were 3 interview rounds.
Dressing and personality
I applied via Campus Placement and was interviewed before Mar 2023. There was 1 interview round.
The structure work at the site involves the construction of a new building using steel beams and concrete columns.
Steel beams are being used for the framework of the building
Concrete columns are being installed to support the structure
The construction process includes pouring concrete, welding steel beams, and erecting walls
Managing site works involves overseeing construction activities, coordinating with contractors, ensuring safety regulations are followed, and meeting project deadlines.
Coordinate with contractors and subcontractors to ensure work is completed on time and within budget
Monitor progress of construction activities and address any issues that may arise
Ensure compliance with safety regulations and quality standards
Communicat...
I applied via Naukri.com and was interviewed before Aug 2023. There was 1 interview round.
A shunt relay in an ACB is used to provide protection against overcurrents by diverting excess current away from the main circuit.
Shunt relay is connected in parallel with the main circuit of the ACB.
It detects overcurrents and activates to divert the excess current through a shunt path.
This helps in protecting the main circuit from damage due to overcurrents.
Shunt relays are commonly used in Air Circuit Breakers (ACBs...
CoC in HVAC stands for Certificate of Conformance, which is a document certifying that a product meets specified requirements.
CoC in HVAC is a Certificate of Conformance that ensures a product meets specific requirements.
It is often required in HVAC projects to ensure quality and compliance.
CoC may include details such as product specifications, testing results, and manufacturer information.
Biological oxygen demand (BOD) and Chemical oxygen demand (COD) are important parameters in wastewater treatment plants.
Biological oxygen demand (BOD) is a measure of the amount of dissolved oxygen needed by aerobic biological organisms to break down organic material in water.
Carbonaceous oxygen demand (COD) is a measure of the amount of oxygen required to oxidize all the organic and inorganic matter in water.
BOD is a ...
A voltage monitoring relay is a device that monitors voltage levels and triggers an alarm or protective action if the voltage exceeds or falls below a set threshold.
Monitors voltage levels in electrical systems
Triggers alarm or protective action if voltage exceeds or falls below set threshold
Used to protect equipment from damage due to voltage fluctuations
WTP plant works on the principle of physical and chemical processes to remove impurities from water.
Water enters the plant and goes through processes like coagulation, flocculation, sedimentation, filtration, and disinfection.
Coagulation involves adding chemicals to water to make impurities clump together.
Flocculation helps in forming larger particles called floc for easier removal.
Sedimentation allows the floc to sett...
I provide daily and monthly reports on project progress, issues, and key metrics to track performance.
Daily reports include updates on tasks completed, challenges faced, and plans for the next day.
Monthly reports summarize overall progress, budget status, and any potential risks or delays.
Reports may also include key performance indicators (KPIs) such as project milestones achieved, budget variance, and resource utiliz...
I applied via Walk-in and was interviewed in Jan 2024. There was 1 interview round.
Types of paints and tiles commonly used in construction projects.
Types of paints: acrylic, latex, oil-based, enamel, spray paint
Types of tiles: ceramic, porcelain, glass, natural stone, mosaic
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