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Three-phase supply consists of three alternating currents, while single-phase supply has only one alternating current.
Three-phase supply is commonly used in industrial and commercial settings.
Single-phase supply is typically used in residential applications.
Three-phase supply provides more power and is more efficient than single-phase supply.
Three-phase supply requires three conductors, while single-phase supply requir...
Current rating is not written on electrical appliances to avoid confusion and liability.
Current rating may vary depending on the location and voltage of the appliance.
Manufacturers may not want to be liable for incorrect usage of the appliance.
Current rating can be found in the user manual or on the packaging.
Some appliances may have a range of current ratings depending on the mode of operation.
Regulations may not requ...
A capacitor stores electrical energy and releases it when needed.
Capacitors are used in electronic circuits to filter out noise and stabilize voltage.
They can also be used to store energy in flash cameras and defibrillators.
Capacitors come in different types and sizes, with varying capacitance and voltage ratings.
They are made of two conductive plates separated by a dielectric material.
The capacitance of a capacitor de...
New fan regulators are more energy-efficient and have additional features compared to old ones.
Old fan regulators use resistors to control the speed of the fan, while new ones use electronic circuits.
New fan regulators have additional features such as remote control, timer, and speed settings.
Old fan regulators are less energy-efficient and can cause the fan to make noise or vibrate.
New fan regulators are more reliable...
No, UPS and inverter are not interchangeable.
UPS is designed to provide backup power for a short duration, while an inverter is designed to provide continuous power.
UPS typically has a built-in battery, while an inverter requires an external battery.
UPS is commonly used for computers and other electronic devices, while inverters are used for larger appliances like refrigerators and air conditioners.
MCB stands for Miniature Circuit Breaker, a device used to protect electrical circuits from overloads and short circuits.
MCB is a type of circuit breaker that automatically switches off electrical circuits during abnormal conditions.
It is commonly used in residential and commercial buildings to protect electrical appliances and wiring.
MCBs are available in different current ratings and trip characteristics to suit diff...
MCBs are more reliable and safer than fuses.
MCBs can be reset and reused, while fuses need to be replaced after every trip
MCBs have a faster response time than fuses, which can prevent damage to equipment
MCBs have better overload protection than fuses
MCBs are more convenient to use as they do not require replacement every time they trip
MCBs are safer as they do not release harmful gases or debris when they trip
Relay and contactor are electrical switches that control the flow of electricity in a circuit.
Relays are used to switch smaller currents in a circuit, while contactors are used to switch larger currents.
Relays are often used in control circuits to turn on or off devices, while contactors are used in power circuits to control motors and other high-power loads.
Both relay and contactor have an electromagnetic coil that, w...
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I applied via Campus Placement and was interviewed in Dec 2020. There was 1 interview round.
posted on 12 Aug 2022
I appeared for an interview in Jul 2022.
The voltage formula is used to calculate the voltage in an electrical circuit.
The voltage formula is V = I * R, where V is the voltage, I is the current, and R is the resistance.
This formula is derived from Ohm's Law, which states that the current flowing through a conductor is directly proportional to the voltage and inversely proportional to the resistance.
By rearranging the formula, we can also calculate current (I ...
I applied via Company Website and was interviewed in Mar 2022. There were 2 interview rounds.
Yes, I have experience working with various types of electrical systems.
I have worked with both AC and DC electrical systems.
I am familiar with electrical wiring and circuitry.
I have experience troubleshooting electrical issues and repairing faulty components.
I am knowledgeable about electrical safety protocols and regulations.
Examples of electrical systems I have worked with include lighting systems, HVAC systems, and
Electrical equipment plays a crucial role in powering and controlling various systems and processes.
Electrical equipment is responsible for generating, distributing, and controlling power in various industries.
It is used in a wide range of applications, from simple household appliances to complex industrial machinery.
Electrical equipment includes generators, transformers, motors, switches, and control systems.
It is ess...
Electricity is generated through various methods including thermal, hydro, nuclear, and renewable sources.
Thermal power plants burn fossil fuels like coal, oil, and gas to generate steam that drives turbines to produce electricity.
Hydroelectric power plants use the force of falling water to turn turbines and generate electricity.
Nuclear power plants use nuclear reactions to heat water and produce steam that drives turb...
posted on 23 May 2024
I appeared for an interview before May 2023.
The types of connectors used in AC include power connectors, signal connectors, and data connectors.
Power connectors: used to connect the AC power source to the device, such as IEC connectors
Signal connectors: used for transmitting signals between devices, such as RCA connectors
Data connectors: used for transferring data between devices, such as USB connectors
I applied via Company Website and was interviewed in Jun 2023. There were 2 interview rounds.
I worked at XYZ Company as a Service Engineer.
Worked at XYZ Company as a Service Engineer
Responsible for troubleshooting and repairing equipment
Collaborated with cross-functional teams to ensure customer satisfaction
posted on 7 Apr 2024
I applied via Walk-in and was interviewed in Mar 2024. There were 10 interview rounds.
The GSLV project refers to the Geosynchronous Satellite Launch Vehicle project by ISRO.
The GSLV project is a series of launch vehicles developed by the Indian Space Research Organisation (ISRO) for launching satellites into geostationary orbits.
The GSLV Mk III is the heaviest rocket in India's arsenal and has been used for missions like Chandrayaan-2 and the GSAT-29 satellite.
The GSLV project plays a crucial role in In...
The ISRO project refers to the Indian Space Research Organisation's various missions and projects in space exploration and satellite development.
ISRO has successfully launched numerous satellites for communication, weather forecasting, and scientific research.
Some notable ISRO projects include the Mars Orbiter Mission (Mangalyaan) and the Chandrayaan missions to the Moon.
ISRO's achievements have placed India among the ...
Hal in project work refers to a process where a project is divided into smaller phases or sections for better management and control.
Hal in project work helps in breaking down complex projects into manageable tasks.
It allows for better monitoring and tracking of progress.
Hal can also help in identifying potential risks and issues early on.
Examples of Hal in project work include using Gantt charts, creating work breakdo
ISRO does work in manufacturing, primarily focusing on the production of satellites, launch vehicles, and other space-related technologies.
ISRO manufactures satellites for various purposes such as communication, remote sensing, and navigation.
ISRO also manufactures launch vehicles like PSLV and GSLV for launching satellites into space.
ISRO's manufacturing facilities are located in various centers across India, such as ...
ISRO works on designing, building, and launching satellites for various purposes.
Designing and building satellites for communication, remote sensing, and scientific research
Launching satellites into orbit using rockets like PSLV and GSLV
Collaborating with other space agencies for international missions
Conducting research and development in space technology
ISRO's structure includes various centers and facilities for research, development, and operations related to space exploration.
ISRO has multiple centers across India, such as Vikram Sarabhai Space Centre, U R Rao Satellite Centre, and Space Applications Centre.
Each center specializes in different aspects of space research and technology, such as satellite development, launch vehicle technology, and space applications.
...
I have experience working on various project assignments in the mechanical field.
Managed project timelines and budgets effectively
Collaborated with team members to troubleshoot and solve technical issues
Utilized CAD software to design and modify mechanical components
Performed testing and analysis to ensure project success
Very have work in isro
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I applied via Job Fair and was interviewed in May 2022. There was 1 interview round.
Electroplating is a process of depositing a layer of metal onto a surface using an electric current.
Electroplating involves immersing the object to be plated (called the substrate) into a solution containing metal ions.
A direct current is then passed through the solution, causing the metal ions to be attracted to the substrate and form a metal coating.
Common applications of electroplating include improving the appearan...
I applied via Company Website and was interviewed before May 2023. There was 1 interview round.
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